Evolutionary biologists at the University of California, Santa Barbara, noticed something peculiar about the columbines in a region of Colorado.
Eyes with lenses are believed to have evolved independently multiple times, but all evolutionary scenarios face insurmountable barriers.
Evolution’s grand tree-of-life story requires constructive evolution, not more and more cases of organisms tossing parts overboard.
Neo-Darwinians breathed a sigh of relief when in the 1930s they found a way to incorporate Mendel’s laws of heredity. Now, that relief is unraveling.
Eric Bapteste, a researcher at Sorbonne University, just co-authored a review discussing genetic change in the context of aging.