Rats have a strikingly different visual system than our own, one that is carefully attuned to their unique needs.
We can all hum the song from the "Jungle Book", but what really are the bare necessities for a big bear?
Scientists tested eighteen reindeer with light, and found that their eyes responded to both visible light and ultraviolet.
Scientists found that nearly identical genes play key roles in the formation of the eyes in mammals and fruit flies.
In mammals, the sex of a baby is determined by the chromosomes it inherits from its parents. But, the combination an animal inherits can be quite different.
Sure, there are physical differences but outside of mammals, the terms "male" and "female" take on different meanings.
Why not 5 or 15? Why is 10 the magic number when it comes to fingers and toes?
Scientists have always struggled with this riddle...however, new research is giving some clues to the answer.
Botflies are parasites that deposit larvae inside the noses of their hosts, including reindeer. To adapt, the deer learn elaborate behaviors to avoid the flies.
Learn how whales became sailors on this Moment of Science.