At anatomy dinners, experts delve into how body parts function in both animals and people, and explain how the part is turned into food. (Photo: Jason Bartlett) When Dr. Jonathan Reisman was in ...

Like most vertebrates, humans only have one heart, which is usually located near the front and middle of the chest, slightly to the left of the breastbone. The heart’s primary function is to pump ...

Some warm-blooded animals are shapeshifting and getting larger beaks, legs and ears to better regulate their body temperatures as the planet gets hotter, according to a new review of existing research ...

When danger strikes, humans usually have two choices — run or fight. But in the wild, some animals have figured out a third, much stranger option: drop part of their own body to survive. It’s called ...