Homo Naledi was probably running around Southern Africa at about the same time that our ancestors were. It means we may have to reevaluate a fair bit of the material archaeological record if we find out that other species were doing similar things as well. Daniel Ellsberg began to feel particularly uneasy about Vietnam when he actually went there. He felt suddenly deeply implicated in this war even though he was not fighting there.
In the months since America’s Supreme Court gave states the power to ban abortions, those in support of the ruling have become more splintered. And with the help of leftist language, they are finding new recruits. A new discovery about the intelligence of a human-like species is changing how we understand evolution. And, a tribute to the man who leaked the Pentagon Papers.
Please take a moment to fill out our listener survey: www.economist.com/podcastsurvey
For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer