Add Yahoo as a preferred source to see more of our stories on Google. Natural selection can efficiently explore a range of options, some obvious and some less so. Justin Paget, DigitalVision via Getty ...

How Natural Selection Works Let's take a brief look at how evolution works, and then at how Dawkins portrayed it. What necessitated Darwin's theory of how species evolve through natural selection is ...

NASA had a big—and little—problem. For a small satellite, the agency needed a tiny antenna, with very specific communication capabilities and very strict limits on size and weight. The agency gave the ...