Behaviour study shows rats know how to repay kindness
If I scratch your back and you scratch mine, then we're both better off as a result – so goes the principle of reciprocity, one of the most popular explanations for how co-operative behaviour has evolved. ...
Hormones may help tiny African fish climb social ladder
Want to work your way up the corporate or social ladder?
Weaker individuals in a population can strengthen its long-term stability, reduce likelihood of extinction
Having weaker individuals in a population can strengthen its long-term stability and reduce likelihood of extinction, according to new research from Victoria University of Wellington.
Fish pee helps keep coastal ecosystems healthy, thriving
Life in the Caribbean islands is an idyllic bliss. You can picture it, right? The sparkling clear water. The pristine coral reefs. The perfect amount of fish pee …
How tuna stay warm with cold hearts
Scientists at The University of Manchester, working with colleagues at Stanford University in America, have discovered how prized bluefin tuna keep their hearts pumping during temperature changes that would ...
Scientists reveal fishy cooking habits of North American hunter-gatherers
Archaeologists from the University of York and Queens College, City University New York (CUNY) have discovered the first use of pottery in north-eastern North America was largely due to the cooking, storage ...
Salish Sea seagull populations halved since 1980s
The number of seagulls in the Strait of Georgia is down by 50 per cent from the 1980s and University of British Columbia researchers say the decline reflects changes in the availability of food.
Thousands of dead fish again wash up in Rio Olympic bay
An "unprecedented" thousands of dead fish washed up in Rio's heavily polluted Guanabara Bay this week, deepening fears for the health of competitors at the 2016 Olympics and alarming fishermen.
When estimating fish populations, seeing is believing
Somewhere off the Atlantic coast of Florida, a fishing boat bobs in the swell, and Nate Bacheler helps swing a fish trap over the side. It's a big metal cage shaped like a giant arrowhead, and it looks like ...
Tiny Oregon minnow is first fish taken off endangered list
A tiny minnow that lives only in backwaters in Oregon's Willamette Valley is the first fish to be formally removed from Endangered Species Act protection because it is no longer in danger of extinction, officials ...
Scuba divers lead charge against invasive lionfish
Clad in a gray hooded wetsuit, Eric Billips straps on his scuba tank, grabs a pole spear and nods at his dive buddy as they step feet-first off the boat and disappear with a splash into sparkling blue waters ...
Mexican gray wolf population peaks in American Southwest
There are now more Mexican gray wolves roaming the American Southwest than at any time since the federal government began reintroducing the endangered predators.
Study recommends closing the high seas to fishing
Simon Fraser University biologist Isabelle Côté has co-authored a new study that finds little would be lost by eliminating high seas fishing.
Making a better wound dressing—with fish skin
With a low price tag and mild flavor, tilapia has become a staple dinnertime fish for many Americans. Now it could have another use: helping to heal our wounds. In the journal ACS Applied Materials & Interfaces, scient ...