Alligator Blood
Alligator blood may be a source of powerful antimicrobials.
Conspicuous Camouflage
Scientists test whether predators really mistake the eyespots on the wings of some butterflies for real eyes.
Honeybee Royal Jelly
Royal jelly creates queen bees by changing gene expression.
Reptile Roundup
Researchers invent a material that mimics the stickiness of gecko feet.
Cat Domestication
A listener asks: where and when were cats first domesticated?
Snakes vs. Newts
Eating a toxic newt could kill a human, so why can some hungry snakes get away with it?
Monkey Alarms
Some monkeys combine their alarm calls to create an entirely new meaning.
Encyclopedia of Life
A new, comprehensive repository of scientific information for all life on earth comes to the web.
Animal Roundup
Beaver dams help conserve water and scientists discover a behemoth amongst frogs.
Sandy Spiders
Researchers discover how a spider renders itself nearly invisible using a coat of sand.
Wavering Warblers
Scientists have discovered surprising geographical variation in what some female songbirds find attractive in a mate.
Animal Storm Detection
A listener asks: Can animals sense natural disasters before they happen?
Butterfly Co-Evolution
Plants of the cabbage family evolved a toxic herbicide to ward off pests. But some insects evolved a way around it.
Giant Scorpion
Paleontologists have found the largest single arthropod known to science.
Fuelish Roundup
Low grade, high-sulfur bunker fuel is deadly to wildlife and humans. So why is it still in use?
Snail Camouflage
A sneaky snail evades predators by creating a unique form of organic camouflage.
Animal Behavior Roundup
Fish suffer from sleep deprivation just like humans.
Sleeping Dolphins
A listener asks: Why don't dolphins drown while they sleep?
Spider Webs
A listener asks: Can spiders get caught in the webs of other spiders?
Bug Behavior Roundup
Two tiny organisms team up to brew a deadly toxin.
Woolly DNA
Woolly mammoths went extinct thousands of years ago. But now their genetic past is being resurrected through new DNA techniques.