When Stars Are Swallowed by Black Holes, New Findings Suggest

For the first time, scientists have confirmed the existence of not one, but two black hole-neutron star collisions. The Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo facilities, which detect invisible gravitational waves, saw these two distinct mergers 10 days apart in January 2020. The achievement completes a long-awaited trinity of gravitational-wave interferometer observations: black…

New!! The Science of Human Origins

Museums, libraries, and bookstores are reopening across the United States after a year of lockdown. The start of this cultural reawakening coincided with both the Juneteenth celebration and the first anniversary of one of the greatest anti-racial rallies in American history. As bookstores reopen, several are putting together displays of Black history-themed children’s books. The…

You can die from stress. Here’s how now

It’s easy to romanticize the body’s devotion to equilibrium in the face of extreme stress. As if it were some untrammeled divinity, a dark and gorgeous liver serenely regulates its life-sustaining activities. Nearby, twin cherubs of the torso, plump kidneys, churn out calls for water and salt. Even Claude Bernard, the 19th-century French physiologist who…

Why are you hearing about delta-8 THC now?

This year, delta-8 THC, a new marijuana cousin, erupted onto the national scene. It’s advertised as “weed light” or “the superior version of THC” on the cannabis internet. It sold as a vape or an edible, and the high is similar to a moderate form of traditional marijuana. In terms of chemical structure—three carbon rings,…

NEW! The controversy surrounding “Dragon Man” demonstrates that human beginnings are still a bit of a muddle

A nearly intact ancient human skull rested at the bottom of a well in Harbin City, Heilongjiang Province, China, for more than 80 years, according to Chris Stringer. According to legend, laborers building a bridge in Japanese-occupied northeastern China uncovered the specimen from the Songhua River’s bed in 1933. The crew foreman understood the worth…