Testosterone promotes both aggression and 'cuddling' in gerbils, study finds
A recent study on rodents has found testosterone, despite being commonly associated with aggression, can also foster friendly behaviours in males.

A recent study on rodents has found testosterone, despite being commonly associated with aggression, can also foster friendly behaviours in males.
A fishing boat that sank with nearly 10,000 litres of fuel on board near the Canada-U.S. marine border went down in one of the worst possible places for endangered orcas, an ocean pollutants expert says. Peter Ross, a senior scientist with Raincoast Conservation Foundation, said the vessel sank in an important feeding area for endangered southern resident killer whales.
A spokesperson for the BC Wildfire Service says 80 per cent of the 212 new fires sparked across the province since Wednesday were caused by lightning.
Conservation advocates and experts are concerned a proposal for a Calgary-to-Banff passenger train is chugging along without addressing some key environmental issues in and around the national park.
A new study suggests that Antarctica’s ice shelves may be melting faster than previously believed, which is causing sea levels to rise at a more rapid pace and accelerating the dangers of climate change.
A project in the country's top coal-producing area seeks to pump the carbon dioxide produced by burning that coal back underground.
Worsening heat and humidity as a result of climate change will bring extremely dangerous heat indices to much of the United States in the next 30 years, increasing both the intensity and frequency of the hottest days of the year, according to a new study published Monday.
A new study is offering a dire prediction for the U.S. state of California, where scientists say catastrophic flooding could become twice as likely in the future due to the effects of climate change.
A large wildfire in northeast Spain grew rapidly overnight and was burning out of control Sunday, forcing the evacuation of eight villages and 1,500 people in Zaragoza province, firefighters said.
The U.S. Coast Guard and other agencies are responding to a sunken vessel leaking fuel in Haro Strait, between Vancouver Island and San Juan Island.