A new study uses age-stratified allele frequencies to map ongoing natural selection and rare pathogenic variants.
No and yes. Natural selection is a rigorous testing process that filters out what works from what doesn’t, driving organisms to evolve in particular directions. However, chance events play a big role ...
New research suggests natural selection can slow evolution, maintain similarities across generations
Natural selection is usually understood in the context of change. When organisms deviate from the norm, they may gain advantages that let their lineages outlast those of their less-adaptable relatives ...
Q: Tell us about this "dangerous idea" of Darwin's. A: I think Darwin's idea of natural selection is the best idea anybody ever had, ahead of Newton, ahead of Einstein. What it does is it promises to ...
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