From reindeer that snooze while chewing to penguins that take thousands of naps each day, the animal kingdom has some truly weird sleep patterns.
Under stress, a chemical change signals these water bears to switch between live and mostly dead.
These blockbuster monsters are too big to exist. But if they were real, what adaptations would each bring to battle?
The extinct megalodon (Otodus megalodon) was the largest shark to ever prowl the oceans.
It has been unclear why gliding evolved in marsupials. To search for clues, researchers strapped activity trackers to some of these cryptic creatures.
Neither fleas nor toads, Brazilian flea toads are almost flea-sized. These mini frogs are small enough to fit on a pinkie fingernail.
A liver protein appears to help the amphibians collect and move toxins from their food to their skin. Those toxins can defend the frogs from predators.
In this experiment, use real data to figure out how migratory birds navigate from their breeding grounds to their wintering grounds.
When looking for research ideas, listen to the people around you. What problems are they facing? What could you do to help?
