A team of researchers has discovered new insights into the evolution of color patterns in frogs and toads -- collectively known as anurans. Animal color patterns can help them camouflage with their ...

Evolution of the Universe, stars and planets / David W. Hughes -- Catastrophes in the history of life / George R. McGhee -- Pre-metazoan life / Paul K. Strother -- Origins and radiation of the early ...

The concept of punctuated equilibrium was, to some, a radical new idea when it was first proposed by Stephen Jay Gould and Niles Eldredge in 1972. Now it is widely recognized as a useful model for one ...

There are lots of ways to make a living as a clam, but probably one of the strangest is to be a “living drill bit.” Some species of clams are able to bore into solid rock or concrete—creating a burrow ...