Science Articles - PawNation

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Our species caused 322 animal extinctions over the past 500 years, with two-thirds of those occurring in the last two centuries, according to a paper published in a special issue of the journal Science this week. West African Black Rhinoceros (Extinct). Credit: Flickr/Arno Meintjes Wildlife Many animals are threatened with human-caused extinction now, with researchers expressing particular concern over amphibian and invertebrate (creatures without a backbone) losses. Numbers of the latter group have nearly halved as our population doubled in size over the past 35 years. Ecologists, zoologists and other scientists believe that, without urgent steps to stem the losses, we are facing global...

WASHINGTON - Dogs show jealousy when their owners spend time with what appears to be another dog, suggesting that the emotion may have survivalist roots, US researchers said Wednesday. Credit: Getty Creative Scientists tested 36 dogs and their owners with an experiment in which the owners were told to play with three separate objects in front of their dog. One of the objects was a toy dog that barked and wagged its tail when a button on it was pushed. The owners were told to play with it as if it were a real dog for one minute. They were told to do the same in the next phase of the experiment with a toy jack-o-lantern pail, acting as if it were a dog and playing with it. Finally, they...

At the risk of upsetting my cat Murphy - who I'm convinced can not only read, but speed-read - here's the latest bulletin from the world of cat feeder facial recognition technology. Credit: YouTube/Meow B. The Bistro smart cat feeder, designed by a team called 42ARK out of Taiwan, is the sort of crazy idea that Just Might Work. Currently in crowdfunding stage, the device combines several different technologies to ensure your cat is eating properly. That's "properly" as defined by humans, not by cats, which is why I just let Murphy outside and am typing this in the closet. Like other automated cat feeders, the Bistro lets owners dispense measured amounts of food when kitty is home...

Chimpanzees don't just get their smarts by aping others - chimps, like humans, inherit a significant amount of their intelligence from their parents, new research reveals. Credit: Getty Creative Researchers measured how well 99 captive chimpanzees performed on a series of cognitive tests, finding that genes determined as much as 50 percent of the animals' performance. "Genes matter," said William Hopkins, a neuroscientist at Georgia State University in Atlanta and co-author of the study published today (July 10) in the journal Current Biology. [The 5 Smartest Non-Primates on the Planet] RELATED: 6 Shocking Things About Chimps "We have what we would call a smart chimp, and chimps we'd...

Do Animals Cry?

Rescuers of a male elephant brutally abused for 50 years in India claim that after the chains and spikes were removed from elephant Raju's legs, tears streamed down his face, but were the tears due to an emotional outburst? Credit: Getty Editorial Certain animals may weep out of sorrow, similar to human baby cries, say animal behavior experts. In this case, the tears appear to reflect Raju's astonishment and relief. VIDEO: Chimps Face Death Like Humans Do "The team were astounded to see tears roll down his face during the rescue," Pooja Binepal from Wildlife SOS UK, which transferred the elephant to a sanctuary, told The Independent. "We knew in our hearts he realized he was being...