Get flash to fully experience Pearltrees
An international team of scientists, including some from Canada, has discovered that mammals shrink at faster rates than they grow — a finding that sheds light on the conditions that potentially contribute to extinction.
An ancient cockroach-like creature nearly a foot long once skittered along the seafloor in what is now Canada , a new fossil find reveals.
July 16th, 2011
In biology, evolution is the process by which novel traits arise in populations and are passed on from generation to generation.
How did life originate?
Artificial selection in the lab For thousands of years, humans have been influencing evolution, through changes we have caused in the environment — and through artificial selection in the domestication of plants and animals. In many cases, scientists have carefully documented evolution through artificial selection in the lab.