Dr. Fei-Fei Li of the Stanford Institute for Human-Centered AI discusses the promise and peril of the ground-breaking technology. Plus, research tracking adults over 50 shows that social activity, intimacy, and personal connections are key to good health as we age. And, new analysis of remains and burial items suggests women and men did both parts of hunting and gathering in the Paleolithic era.
Gus Speth, a longtime Washington insider, says it’s time to consider consumerism, economic instability, and a functional democracy as core environmental issues.
Doug Emlen, author of “Animal Weapons,” unpacks the evolutionary arms race that pushes horns, claws, teeth and other animal defenses to the extreme.
Scientists frustrated by a lack of research dollars are turning to crowdfunding.