Tag Archives: Evolution

Standing Up for Sexual Selection in Human Evolution

By Adam D.A. Manning

Evolution by natural selection as set out in Charles Darwin’s On the Origin of Species from 1859 is often thought of as a constant and bloody struggle for survival.  Here, living organisms are engaged in an incessant fight to survive long enough to reproduce and over the long stretches of geological time, species adapt to their environment so as to enhance … Read more

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Only a Theory?

By Laurie Hatton (in collaboration with her local Brights Community Cluster)

Sherlock Holmes commonly stated to Watson, “I have a theory.” The word “theory” means that something is a guess or speculative idea. Right?  Well, yes it can. However, when a scientist uses the term theory, he or she means something totally different.  A scientific theory is an idea that has a lot of evidence … Read more

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