When your dog wakes you up several times a night to play “toss the stuffed toy,” you may wonder why he can’t sleep at night like everyone else in the family. Maybe he has a sleep disorder. But can non-human animals even have sleep disorders?A sleep disorder is probably not the reason your dog wants to play in the middle of the night, but yes, animals can have some of the common sleep disorders humans suffer from. Understanding sleep disorders in animals might help us treat sleep disorders ...read more
Underwater surfaces can get grimy as they accumulate dirt, algae and bacteria, a process scientists call “fouling.” But furry mammals like beavers and otters that spend most of their lives wet manage to avoid getting their fur slimy. These anti-fouling abilities come, in part, from one of fur’s unique properties — that each hair can bend and flex as an animal moves.[embedded content]Fouling on boats and machinery can be a big problem, and scientists are searching for ways to prevent it. ...read more
If gorillas strike you as intimidating, try to imagine a nearly 10-foot lookalike: that dizzying stat belongs to none other than Gigantopithecus blacki. Don’t worry about running into this colossus of an ape when you’re out and about; G. blacki went extinct long ago, but for years, researchers couldn’t decipher exactly when and why it disappeared. The only concrete traces it has left come in the form of 2000 fossilized teeth and four jawbones.But new evidence has finally answered these bur ...read more
Amid all the working parts of the human body, the respiratory system administers some of the most important functions that keep us alive. This ensemble of organs, which contains the mouth, nose, throat, and lungs, lets us breathe and talk, manages our body temperature, brings oxygen to other organs, and removes waste carbon dioxide. A plethora of diseases can target the respiratory system, disrupting our health in ways that limit those essential functions. Be on the watch for these respiratory ...read more
When a 6-mile-wide asteroid struck Earth at the end of the Cretaceous period some 66 million years ago, it wiped out the majority of living organisms. Many victims were instantly fried by fires or drowned in tsunamis. The rest, meanwhile, succumbed to hostile conditions and the gradual collapse of entire ecosystems. In the end, about three-quarters of all species were swept into oblivion.Yet many also survived and, eventually, repopulated the planet. Every living thing today is descended from th ...read more
Author Vishay SinghPosted on Categories Discover Magazine