Scientists have determined that at least 27 different species of humans have evolved on planet Earth, yet only one still survives. Why are we still here and our 26 predecessors aren’t? In his fascinating new book, Last Ape Standing: The Seven-Million-Year Story of How and Why We Survived, acclaimed science writer Chip Walter attempts to answer that question as he discusses with Thane Maynard in this week’s Field Notes.
Ira Flatow is the longtime host of NPR’s Science Friday, which airs at 2:00 every Friday afternoon on WVXU. He takes a few minutes to join our Dean Regas for this edition of Looking Up. He talks about how Science Friday got started, where his love of science came from, and what he hopes listeners take away from each broadcast.