Before dinosaurs could have terrifying roars, they had to first be able to breathe. Learn how scientists believe they did so by studying amphibian and reptile respiration.
Science daily is the frontier of science. The advanced article gives a glimpse into how animal hibernation studies are putting us just a hair away from human application.
Have a common case of biology word befuddlement? Try biology-online.com's dictionary. The entry for homeostasis is a primo example.
As Captain Planet knows, heart is one of the most important powers. Howstuffworks teaches us more about this powerful organ that powers the human circulatory system.
The Naked Scientists (not actually a scientist baring it all) answer a burning question from a freezing Russian about thermoregulation.
Marine animals are constantly surrounded by a liquid that could kill them. Not to be overdramatic or anything. Milos Radakovich does a better job keeping his cool while he discusses osmoregulation.
Biologist Robert Full studies crazy (and somewhat creepy) critters. TED talks are full of jaw-dropping information and this video is no exception. Full's studies of cockroaches and geckos are helping to engineer the next generation of robots that will climb walls so well that they will make Spiderman blush.
The science ninjas at NOVA hit you with knowledge bombs about how bird flocks and schools of fish naturally emerge and how this could help explain the origin of consciousness and even life itself. Deep stuff.
Cat or dog lover, if you're looking for fast, the feline Cheetah is always going to beat the greyhound. Why? Find out here.
If you're puzzled by all these moving parts, fear not, you can practice your knowledge of the circulatory and respiratory system with the puzzles at anatomyarcade.