Today's Liberal News

Sam Kean

Unraveling the Secrets of the Inca Empire

Photographs by Musuk Nolte and Murray Orr
The heaps of khipus emerged from garbage bags in the back of the tiny, one-room museum—clumps of tangled ropes the size of beach balls. Sabine Hyland smiled as she gazed down at them and said, “Qué lindo, qué lindo”: how beautiful.

What Does Paleo Parenting Look Like?

From a Darwinian perspective, human reproduction is pretty idiotic. “We are terrible at getting pregnant,” writes the American-born British archaeologist Brenna Hassett, “then when we do we undercook the baby and end up with a ridiculously helpless infant.” That doesn’t even account for the nightmare of human childbirth, the biological equivalent of the old sofa-in-the-stairwell dilemma. Then there’s the absurdly long time it takes us to reach maturity.

22 Orphans Gave Up Everything to Distribute the World’s First Vaccine

When the United States green-lit two coronavirus vaccines in December, it was a rare bright spot during this pandemic: Scientists had developed a vaccine for COVID-19 far faster than any other vaccine in history. The end finally seemed at hand.Since then, many, many things have gone wrong. In mid-December, Pfizer reported that it had millions of doses sitting around in a warehouse, and no instructions on where to send them.