A major transformation in vertebrate evolution was when breathing shifted from the head to the torso in reptiles. But what caused the shift? A study hypothesizes it was driven by locomotion.
Millions of specimens are sitting in museums all over the world, but a lack of digital records make them hard to find and study. Help biologists discover parasite biodiversity.
The new study goes back further than 23andme could have ever imagined.
Savannah monitor lizards have a unique airflow pattern that is a hybrid of bird and mammal flow patterns.
Biologists drove the divergence of different-sized feather lice from a single population. In four years the evolved lice had trouble mating with each other, a sign of speciation and they caught it on tape.