Tooth truth: How ancient climate change helped shape our teeth

One ramification of ancient climate change endures to this day in your mouth.

No, really.

A fossil recently discovered in Utah sheds light on when and why early mammals developed teeth that are distinct from those found in some other species.

CTV News Science and Technology Specialist Dan Riskin chews the fat on this evolutionary adaptation, and explains its connection to climate change, in this week's Riskin Report.

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CTVNews.ca Top Stories

Three dead, two hospitalized, following collision in Fredericton: police

Three people have died and two have been hospitalized after a speeding car struck a tree and landed on another vehicle in Fredericton Sunday morning.

Amid climate change warnings, Canadians lukewarm on electric vehicles

Amid scientists' warnings that nations need to transition away from fossil fuels to limit climate change, Canadians are still lukewarm on electric vehicles, according to a study conducted by Nanos Research for CTV News.

Montreal man on the hook for thousands of dollars after a feature on his Tesla caused an accident

A Montreal man is warning Tesla drivers about using the Smart Summon feature after his vehicle hit another in a parking lot.

Madonna's biggest-ever concert transforms Rio's Copacabana beach into a massive dance floor

Madonna put on a free concert on Copacabana beach Saturday night, turning Rio de Janeiro's vast stretch of sand into an enormous dance floor teeming with a multitude of her fans.

1 person killed and 23 injured in a bus crash in northern Maryland, police say

One person was killed and 23 others were injured when a bus crashed early Sunday on Interstate 95 in northern Maryland, police said.

Nylander defends Leafs' core after playoff exit, Toronto again picks up the pieces

William Nylander stood in a solemn visitors locker room at TD Garden just before midnight. The Maple Leafs had battled back from a 3-1 series deficit against the Boston Bruins with consecutive 2-1 victories - including one that required extra time - in their first-round playoff series to push the club's Original Six rival to the limit before suffering a devastating Game 7 overtime loss. Nylander's message was emphatic.

El Nino weakening doesn't mean cooler temperatures this summer, forecasters say

As Canadians brace themselves for summer temperatures, forecasters say a weakening El Nino cycle doesn’t mean relief from the heat.

‘Love has no boundaries’: Sask. couple in their 90s and 80s get married

Eighty-two-year-old Susan Neufeldt and 90-year-old Ulrich Richter are no spring chickens, but their love blossomed over the weekend with their wedding at Pine View Manor just outside of Rosthern.

Video shows gaggle of geese stopping traffic on Highway 1 near Vancouver

A mother goose and her goslings caused a bit of a traffic jam on a busy stretch of the Trans-Canada Highway near Vancouver Saturday.

Canada

Three dead, two hospitalized, following collision in Fredericton: police

Three people have died and two have been hospitalized after a speeding car struck a tree and landed on another vehicle in Fredericton Sunday morning.
Nylander defends Leafs' core after playoff exit, Toronto again picks up the pieces

William Nylander stood in a solemn visitors locker room at TD Garden just before midnight. The Maple Leafs had battled back from a 3-1 series deficit against the Boston Bruins with consecutive 2-1 victories - including one that required extra time - in their first-round playoff series to push the club's Original Six rival to the limit before suffering a devastating Game 7 overtime loss. Nylander's message was emphatic.
B.C. man wants homes for thousands of books he soon won't be able to read

In the 10 years since John William started to lose his vision, he's been finding new ways to enjoy his vast personal library.
'Bet's on': Eby and Smith make playful wager ahead of Canucks-Oilers playoff matchup

The premiers of British Columbia and Alberta are joining in on the fun as hockey fans gear up for Round 2 of the Stanley Cup Playoffs.
Princess Anne lays wreath at B.C. veteran's cemetery; receives 21-gun salute

Princess Anne paid tribute to veterans buried at a cemetery in British Columbia today, laying a wreath to honour the more than 2,500 military personnel and family members buried there.
Video shows gaggle of geese stopping traffic on Highway 1 near Vancouver

A mother goose and her goslings caused a bit of a traffic jam on a busy stretch of the Trans-Canada Highway near Vancouver Saturday.

World

1 person killed and 23 injured in a bus crash in northern Maryland, police say

One person was killed and 23 others were injured when a bus crashed early Sunday on Interstate 95 in northern Maryland, police said.
Denial and uncertainty are looming over a Biden-Trump rematch 6 months out from U.S. Election Day

Exactly six months before Election Day, Biden and Trump are locked in the first contest in 112 years with a current and former president competing for the White House. It's a race that is at once deeply entrenched and highly in flux as many voters are only just beginning to embrace the reality of the 2024 campaign.
Floods in southern Brazil kill at least 60, with 101 people missing

Massive floods in Brazil's southern Rio Grande do Sul state killed at least 60 people and another 101 were reported missing, according to Sunday's toll from local authorities.
King Charles III’s openness about cancer has helped him connect with people in year after coronation

King Charles III's decision to be open about his cancer diagnosis has helped the new monarch connect with the people of Britain and strengthened the monarchy in the year since his dazzling coronation at Westminster Abbey.
Pro-Palestinian protesters at USC comply with school order to leave their encampment

Protesters left a pro-Palestinian encampment at the University of Southern California early Sunday after they were surrounded by police and told they could face arrest if they didn’t go.
Panamanians vote in election dominated by former president who was barred from running

Panamanians began voting Sunday in an election that has been consumed by unfolding drama surrounding the country’s former president, even though he is not on the ballot.

Politics

Trudeau 'absolutely' best person to lead the Liberals in next election: LeBlanc insists

Cabinet minister Dominic LeBlanc insists he's not planning a leadership campaign to head the Liberal party, should current leader and Prime Minister Justin Trudeau resign, seemingly quashing rumours he's planning to make a move for his boss' job.
Macklem tries to stay out of the fray as MPs do their best to use him to score points

Bank of Canada governor Tiff Macklem navigates a political minefield every time he testifies before the House of Commons finance committee.
Poilievre tight-lipped on what Conservatives might do with capital gains tax changes

Conservative Leader Pierre Poilievre is telling business leaders to fight their own battles when it comes to the Liberals' proposed changes to capital gains taxation.

Health

The pros and cons of discussing mental health issues in the workplace

A group of lawyers has written what they call a groundbreaking book about how mental health is perceived in the legal profession.
What a U.S. farmworker’s case of bird flu tells us about tracking the infection

A U.S. farmworker who caught bird flu after working with dairy cattle in Texas appears to be the first known case of mammal-to-human transmission of the virus, a new study shows.
Black youth face multiple barriers in accessing mental health care, experts say

Black youth in Canada face multiple barriers in getting access to mental health services — and health-care providers can make the situation more difficult, experts say.

Sci-Tech

Warren Buffett says AI may be better for scammers than society. And he's seen how

Warren Buffett cautioned the tens of thousands of shareholders who packed an arena for his annual meeting that artificial intelligence scams could become "the growth industry of all time."
London Drugs begins 'gradual reopening' on 7th day after cyberattack

Almost a week after all London Drugs stores across Western Canada abruptly closed amid a cyberattack, they began a "gradual reopening" on Saturday.
Boeing is on the verge of launching astronauts aboard new capsule, the newest entry to space travel

It’s the first flight of Boeing’s Starliner capsule with a crew on board, a pair of NASA pilots who will check out the spacecraft during the test drive and a weeklong stay at the space station.

Entertainment

'The Fall Guy' gives Hollywood a muted summer kickoff with a US$28.5M opening

"The Fall Guy," the Ryan Gosling-led, action-comedy ode to stunt performers, opened below expectations with US$28.5 million, according to studio estimates Sunday, providing a lukewarm start to a summer movie season that's very much to be determined for Hollywood.
William Shatner says he would consider 'Star Trek' return: 'Here comes Captain Kirk!'

The Montreal-born actor, famed for his portrayal of Captain Kirk in "Star Trek," says he is open to reprising the iconic role in the sci-fi franchise as long as the storytelling is stellar.
Madonna's biggest-ever concert transforms Rio's Copacabana beach into a massive dance floor

Madonna put on a free concert on Copacabana beach Saturday night, turning Rio de Janeiro's vast stretch of sand into an enormous dance floor teeming with a multitude of her fans.

Business

Work stoppage possible as WestJet issues lockout notice to maintenance engineers' union

A lockout notice issued by WestJet to a union representing aircraft maintenance engineers could result in a work stoppage next week.
Loblaw boycott organizer says she met with CEO to talk about grocery prices

One of the organizers of a month-long boycott of Loblaw-owned stores says she met with the grocer's president and CEO Per Bank on Thursday afternoon.
TD worst-case scenario more likely after drug money laundering allegations: analyst

TD Bank Group could be hit with more severe penalties than previously expected, says a banking analyst after a report that the investigation it faces in the U.S. is tied to laundering illicit fentanyl profits.

Lifestyle

Should you save or splurge on makeup this summer?

If you're wondering whether you should splurge or save when it comes to buying skincare products and makeup this summer, we got some answers for you.
Bombarded with spam texts? Stats show the problem is getting worse in Canada

In particular, messages that involve phishing — an attack where a scammer tries to trick the recipient into clicking a malicious link, downloading malware or sharing sensitive information — are on the rise.
Escaped zebra captured near Seattle after gallivanting around Cascade mountain foothills for days

A zebra that has been hoofing through the foothills of western Washington for days was recaptured Friday evening, nearly a week after she escaped with three other zebras from a trailer near Seattle.

Sports

Nylander defends Leafs' core after playoff exit, Toronto again picks up the pieces

William Nylander stood in a solemn visitors locker room at TD Garden just before midnight. The Maple Leafs had battled back from a 3-1 series deficit against the Boston Bruins with consecutive 2-1 victories - including one that required extra time - in their first-round playoff series to push the club's Original Six rival to the limit before suffering a devastating Game 7 overtime loss. Nylander's message was emphatic.
Mystik Dan wins the 150th Kentucky Derby at Churchill Downs in a three-horse photo finish

Mystik Dan won the 150th Kentucky Derby in a photo finish, edging out Forever Young and Sierra Leone for the upset victory.
Maple Leafs star Auston Matthews among finalists for NHL Selke Trophy

Toronto Maple Leafs star centre Auston Matthews is a finalist for the NHL's Selke Trophy.

Autos

Amid climate change warnings, Canadians lukewarm on electric vehicles

Amid scientists' warnings that nations need to transition away from fossil fuels to limit climate change, Canadians are still lukewarm on electric vehicles, according to a study conducted by Nanos Research for CTV News.
These driving offences now come with an automatic impoundment, licence suspension in Sask.

Drivers in Saskatchewan will now lose their licence for a week and their vehicle for a month if they are caught committing certain high-speed and dangerous offences on the road.
April auto sales jump 14 per cent; still below pre-pandemic levels: DesRosiers

Auto sales last month totalled 164,000 units, higher than April 2023, which was the weakest month for sales last year.

Local Spotlight

Twin Alberta Ballet dancers retire after 15 years with company

Alberta Ballet's double-bill production of 'Der Wolf' and 'The Rite of Spring' marks not only its final show of the season, but the last production for twin sisters Alexandra and Jennifer Gibson.

B.C. mayor stripped of budget, barred from committees over Indigenous residential schools book

A British Columbia mayor has been censured by city council – stripping him of his travel and lobbying budgets and removing him from city committees – for allegedly distributing a book that questions the history of Indigenous residential schools in Canada.

Video shows gaggle of geese stopping traffic on Highway 1 near Vancouver

A mother goose and her goslings caused a bit of a traffic jam on a busy stretch of the Trans-Canada Highway near Vancouver Saturday.
B.C. man wants homes for thousands of books he soon won't be able to read

In the 10 years since John William started to lose his vision, he's been finding new ways to enjoy his vast personal library.
London Drugs begins 'gradual reopening' on 7th day after cyberattack

Almost a week after all London Drugs stores across Western Canada abruptly closed amid a cyberattack, they began a "gradual reopening" on Saturday.

Toronto

BREAKING
BREAKING Ontario family says they're 'reeling' after baby, grandparents killed in wrong-way Highway 401 crash in Whitby

An Ontario family says they are 'reeling' in 'profound grief' after losing their three-month-old son and parents visiting from India in a wrong-way crash on Highway 401 in Whitby last Monday.
Maple Leafs star Auston Matthews among finalists for NHL Selke Trophy

Toronto Maple Leafs star centre Auston Matthews is a finalist for the NHL's Selke Trophy.
Nylander defends Leafs' core after playoff exit, Toronto again picks up the pieces

William Nylander stood in a solemn visitors locker room at TD Garden just before midnight. The Maple Leafs had battled back from a 3-1 series deficit against the Boston Bruins with consecutive 2-1 victories - including one that required extra time - in their first-round playoff series to push the club's Original Six rival to the limit before suffering a devastating Game 7 overtime loss. Nylander's message was emphatic.

Calgary

Crews battle 'large' natural gas-fed fire at Marlborough home

Fire crews responded to Marlborough late on Saturday night to battle a blaze that had engulfed a home.
Serious collision impacts traffic along Highway 2A near Aldersyde

Emergency crews are on scene of a serious collision on Highway 7 at 32 Street East in Okotoks.
Calgary blanket rezoning hearings scheduled to continue into third week

The City of Calgary’s hearing on proposed blanket rezoning is scheduled to continue into its third week.

Ottawa

'It's amazing to see so many people coming together': CN Cycle for CHEO raises record $2.175 million

More than 7,000 participants showed up for the 17th annual CN Cycle in support of CHEO to raise funds, despite the rain in Ottawa this Sunday.
Here are some safety tips to protect yourself from highrise fires

Ottawa Fire Services says last week was busy, noting that crews battled eight fires since Monday.
Here's what you need to know about Ottawa's new traffic enforcement rules

The Ottawa Police Service (OPS) says a new traffic enforcement approach to improve safety across the city without compromising calls for service kicks off Monday.

Montreal

Montreal man on the hook for thousands of dollars after a feature on his Tesla caused an accident

A Montreal man is warning Tesla drivers about using the Smart Summon feature after his vehicle hit another in a parking lot.
Montreal's Felix Auger-Aliassime loses Madrid Open final to Andrey Rublev

Montreal's Felix Auger-Aliassime will have to wait for a Masters title after he lost in the Madrid Open final on Sunday to Russian Andrey Rublev in three sets.
Montreal arson squad investigating after building goes up in flames in the NDG neighbourhood

The Montreal police (SPVM) arson squad is investigating a 'suspcious' building fire early on Sunday morning in the Notre-Dame-de-Grace (NDG) neighbourhood.

Edmonton

Two suspects arrested following south Edmonton shooting: police

Two suspects were arrested following a shooting in south Edmonton on Saturday night.
Canada's Nurse helps lift Sparks past Storm on home soil in WNBA pre-season action

Canadian Kia Nurse had some nerves entering Saturday's WNBA pre-season contest at Rogers Place.
Police warn 'event' could affect traffic in central Edmonton

An event on Sunday morning is expected to affect traffic in central Edmonton.

Atlantic

Three dead, two hospitalized, following collision in Fredericton: police

Three people have died and two have been hospitalized after a speeding car struck a tree and landed on another vehicle in Fredericton Sunday morning.
Man in custody following weapons-related incident at Halifax hotel: police

A man is in custody after a weapons-related incident at a Halifax hotel Sunday morning.
P.E.I.'s East Pointers lead pack with total of three wins at East Coast Music Awards

P.E.I.'s The East Pointers are multiple winners as the East Coast Music Awards wrapped up today in Charlottetown.

Winnipeg

Remote Manitoba First Nation takes step toward building airport

Leaders gathered in Wasagamack First Nation for a milestone announcement that reaffirmed the provincial government’s campaign promise to build an airport in the community.
Police arrest girls, ages 13 and 14, in northern Manitoba homicide

Two teen girls are in police custody in relation to an alleged homicide in northern Manitoba.
RCMP investigate homicide in South Indian Lake

A homicide investigation is underway in South Indian Lake, Man., after a 61-year-old man was found dead near the community.

Regina

Over 250 farm-related power line incidents reported in 2023: SaskPower

SaskPower is reminding farmers to be wary and make safety a priority while operating equipment near power lines.
2024 Saskatchewan Baton Twirling Championships held in Regina

Baton twirlers from across the province competed in Regina over the weekend, trying to qualify for a spot to compete at the Canadian Championships in Oshawa Ont., in July.
Piece of Regina military history makes its way to France

A plane bound for Juno Beach in France took off from the Prairies on Friday with a piece of military history.

Kitchener

'It was completely underwater': Cambridge community remembers devastating flood 50 years later

May 17, 1974 started off like any other sunny spring day, but it very quickly turned into a day of disaster.
WRDSB to lay off 106 elementary school teachers

More than 100 teachers at the Waterloo Region District School Board (WRDSB) are learning they have been declared surplus will likely be out of a job as of Aug. 12.
Chemical spill could be cause of stinky water in Puslinch, Ont., new report says

People living in Puslinch, Ont. may have the answer to why their water smelled so bad last year.

Saskatoon

Saskatoon Airport hopes for quick resolution as WestJet mechanics' lockout looms

A spokesperson for the Saskatoon Airport said they expect no immediate impact to operations in light of an impending lockout of WestJet mechanics.
‘Love has no boundaries’: Sask. couple in their 90s and 80s get married

Eighty-two-year-old Susan Neufeldt and 90-year-old Ulrich Richter are no spring chickens, but their love blossomed over the weekend with their wedding at Pine View Manor just outside of Rosthern.
Police lay murder charge after Saskatchewan family dispute turns deadly

A 29-year-old Prince Albert man faces a murder charge after a family dispute turned deadly on Saturday.

Northern Ontario

Troubled Black River-Matheson Township, striking workers reach tentative deal

Striking Black River-Matheson workers who have been off the job for more than 200 days have reached a tentative agreement with the town.
El Nino weakening doesn't mean cooler temperatures this summer, forecasters say

As Canadians brace themselves for summer temperatures, forecasters say a weakening El Nino cycle doesn’t mean relief from the heat.
Crash closes Hwy 101 in Timmins

Highway 101 East in Timmins is closed in both directions due to a single-vehicle crash.

London

REDress Day being recognized in Victoria Park

May 5 is REDress Day, held annually to raise awareness of missing and murdered Indigenous women, girls and two spirit+ people in Canada.
One person faces charges following recent reports of dog attacks near Dorchester

One person is facing charges following an investigation into reports of aggressive dogs at a residence in Thames Centre.
Walk so Kids Can Talk annual fundraiser for Kids Help Phone

The annual BMO Walk so Kids Can Talk supporting Kids Help Phone was held across Canada Sunday.

Barrie

Hundreds of families take part in Matthews House hike for hospice

The 15th annual Matthews House hike for hospice was held on Sunday.
One person injured in rollover crash in Barrie

One person is in hospital after a single-vehicle rollover in Barrie on Saturday.
Local bakery brings community together for Orthodox Easter

Sunday marked Easter for Orthodox Christians, and in Simcoe County a family run bakery held an event to bring the orthodox community together.

Windsor

Man arrested after failing to stop for CKPS, charged with uttering threats to kill

While on patrol Saturday, a Chatham-Kent police officer said their onboard licence plate reader detected a vehicle with an unauthorized licence plate.
Service delivery review for Windsor and Essex County’s Central Housing Registry

The City of Windsor would like to hear about residents’ experiences with the Central Housing Registry (CHR).
BREAKING
BREAKING Ontario family says they're 'reeling' after baby, grandparents killed in wrong-way Highway 401 crash in Whitby

An Ontario family says they are 'reeling' in 'profound grief' after losing their three-month-old son and parents visiting from India in a wrong-way crash on Highway 401 in Whitby last Monday.

Vancouver Island

London Drugs begins 'gradual reopening' on 7th day after cyberattack

Almost a week after all London Drugs stores across Western Canada abruptly closed amid a cyberattack, they began a "gradual reopening" on Saturday.
Princess Anne lays wreath at B.C. veteran's cemetery; receives 21-gun salute

Princess Anne paid tribute to veterans buried at a cemetery in British Columbia today, laying a wreath to honour the more than 2,500 military personnel and family members buried there.
No proof man lied to brother about number of kittens born in litter, B.C. tribunal rules

A man was denied a $5,000 payout from his brother after a B.C. tribunal dismissed his claim disputing how many kittens were born in a litter.

Kelowna

Red dresses to make fashion statement about missing and murdered Indigenous women

Models in uniquely designed red dresses are taking to the runway in British Columbia this weekend to make a powerful fashion statement about missing and murdered Indigenous women, girls and two-spirit people.
B.C. breweries take home awards at World Beer Cup

Out of more than 9,000 entries from over 2,000 breweries in 50 countries, a handful of B.C. brews landed on the podium at the World Beer Cup this week.
B.C. man rescues starving dachshund trapped in carrier: BC SPCA

An emaciated dachshund is now recovering thanks to a Good Samaritan who found the pup near a biking trail in Kelowna, according to the BC SPCA.

Lethbridge

Southern Alberta animal shelters overrun with abandoned pets

Animal shelters across the province are finding themselves frequently at capacity -- or more.
Woman charged in connection with fatal crash

Lethbridge police say impaired driving is to blame in a fatal crash that killed a 25-year-old man on Thursday.
Contractors want to repurpose Milk River high school rather than see it demolished

The bell at Erle Rivers High School in Milk River, Alta., will ring for the last time on June 26, as the 114-year-old school is scheduled to be torn down to make way for a new K-12 school.

Sault Ste. Marie

Ontario to increase fines for employment standards violations

Ontario is set to clamp down on bad employers with big fines.
Police lay second-degree murder charge in northwestern Ont.

Ontario Provincial Police, in partnership with the Treaty Three Police Service, have charged a suspect with second degree murder following a homicide in a remote Indigenous northwestern Ontario community.
Health coalition calls on public to stand up for health care

The de-rostering of thousands of patients at the Group Health Centre in Sault Ste. Marie was the centre of attention at a town hall Friday organized by the Algoma chapter of the Ontario Health Coalition.

N.L.

Funeral today for broadcasting legend and voice of 'Hockey Night in Canada' Bob Cole

A funeral is being held today for hockey broadcasting legend Bob Cole in his hometown of St. John's, N.L.
Newfoundland fisherman says police broke his leg during protest that delayed budget

Richard Martin is spending this year's fishing season on land after he says a Royal Newfoundland Constabulary officer broke his left leg in three places during a protest last month that shut down the provincial legislature.
'I feel honoured to say I was his friend': Wayne Gretzky remembers Bob Cole

Tributes continue to pour in for Bob Cole as his family has confirmed a funeral will be held for the legendary broadcaster Friday in St. John's, N.L.

Tooth truth: How ancient climate change helped shape our teeth

CTVNews.ca Top Stories

BREAKING | Ontario family says they're 'reeling' after baby, grandparents killed in wrong-way Highway 401 crash in Whitby

BREAKING | Ontario family says they're 'reeling' after baby, grandparents killed in wrong-way Highway 401 crash in Whitby

BREAKING Ontario family says they're 'reeling' after baby, grandparents killed in wrong-way Highway 401 crash in Whitby

BREAKING Ontario family says they're 'reeling' after baby, grandparents killed in wrong-way Highway 401 crash in Whitby