'Too young to have breast cancer': Rates among young Canadian women rising
Breast cancer rates are rising in Canada among women in their 20s, 30s and 40s, according to research by the University of Ottawa (uOttawa).
Two newly identified tiny species of fish and lizard that existed 100 million years ago have been detailed in a study.
A team of researchers published their work Thursday in the journal PeerJ, in which they describe a lizard named Sciroseps pawhuskai and a fish named Anomoeodus caddoi.
"The fish and lizard represent material, though small and fragmentary, that preserves enough detail to call them new species," Joseph Frederickson, a vertebrate paleontologist and co-author of the study, said in a news release. "The lizard jaw is specifically interesting because normally fossils are limited to small and broken bits, while the specimen we describe in this paper is most of a complete lower jaw."
The fossils were discovered in southwestern Arkansas at a site known as the Holly Creek Formation, an area that apparently once had a rich ecosystem.
"The Holly Creek Formation is interesting because few fossils have been described in publications, even though it has produced dinosaur fossils in the past," Frederickson said. "Formations like these help us better understand how the continent was connected and the diversity of animals alive during the Early Cretaceous Period."
The newly described species highlight the variety of fossils that have been found at the site, which includes those of dinosaurs, mammals, fish, amphibians and reptiles.
"I think this paper is a good reminder that the fossil record preserves many different animals, not just dinosaurs," he said. "This paper focuses heavily on the tiny organisms crawling or swimming at the feet of giant dinosaurs, which too often go undocumented because they can be difficult to study. However, often it's these small animals that tell us the most about the environment in which they lived."
Dinosaurs previously discovered at the site include at least one long-necked sauropod (likely Sauroposeidon), large theropods (including a juvenile Acrocanthosaurus), an ankylosaur (armored dinosaur), and the small kickboxing raptor known as Deinonychus.
A variety of very small fossils have also been uncovered, including remains of sharks, bony fish, frogs, lizards, turtles, crocodilians and mammals. Altogether these species paint a picture of the ecosystem that existed in the study area millions of years ago.
Breast cancer rates are rising in Canada among women in their 20s, 30s and 40s, according to research by the University of Ottawa (uOttawa).
Sophie Gregoire Trudeau says there is 'still so much love' between her and Prime Minister Justin Trudeau, as they navigate their post-separation relationship co-parenting their three children.
An Ontario man who took out a loan to pay for auto repairs said his car was repossessed after he missed two payments.
Charlie Woods failed to advance in a U.S. Open local qualifying event Thursday, shooting a 9-over 81 at Legacy Golf & Tennis Club.
As more Canadians find themselves struggling to afford or find housing, the country's smallest province is the only one that can point to legislation recognizing housing as a human right.
A CSIS officer's allegations that she was raped repeatedly by a superior in agency vehicles set off a harassment inquiry, but also triggered an investigation into her that concluded the alleged attacks were a “misuse” of agency vehicles by the woman.
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Environmentalist groups are sounding the alarm about a steep increase in the number of pro-plastic lobbyists at the UN pollution talks taking place this week.
Royal commentator Afua Hagan writes that when King Charles recently admitted Catherine to the Order of the Companions of Honour, it not only made history, but it reinforced the strong bond between the King and his beloved daughter-in-law.
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A former educational assistant is calling attention to the rising violence in Alberta's classrooms.
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