How AI Could Prevent the Development of New Illicit Drugs

IN RECENT YEARS, underground chemists have increasingly made small chemical tweaks on known recreational drugs to skirt laws, creating novel designer versions. Instead of cannabis, for instance, these chemists could offer up XLR-11, or instead of PCP they might have 3-MeO-PCE. Novel designer drugs, also called research chemicals or legal highs, still produce physiological and psychological effects, though … Read more

Comet Leonard puts on a final, spectacular display with ion tail in solar wind

Comet Leonard is falling out of view, but not without putting on one last show. Discovered just a year ago, the comet, formally known as Comet C/2021 A1, made its closest approach to Earth on Dec. 12, marking the climax of a month full of prime observing opportunities. As the comet has continued on its … Read more

A Giant Asteroid Bigger Than The Empire State Building Is About to Zip Past Earth

A large, rocky asteroid is going to fly by Earth next week. At 1 kilometer (3,280 feet) long, it’s roughly two and a half times the height of the Empire State Building, and it’s been classed a “Potentially Hazardous Asteroid” due to its size and its regular close visits to our planet.   But don’t … Read more

Ancient Toilet Reveals Dangerous Parasites Once Plagued Jerusalem’s Elite

A 2,700-year-old drop toilet, found at an ancient royal estate in southern Jerusalem, still shows traces of what could have been an epidemic of parasitic infection long ago. The findings suggest even the wealthiest inhabitants of ancient Jerusalem, elite enough to use an outhouse, commonly suffered from intestinal worms.   While latrines and toilets are … Read more

The Science of ‘Flow States’, Explained by a Cognitive Science Researcher

New years often come with new resolutions. Get back in shape. Read more. Make more time for friends and family. My list of resolutions might not look quite the same as yours, but each of our resolutions represents a plan for something new, or at least a little bit different. As you craft your 2022 … Read more

Mysterious Anomalies Deep Within Our Planet May Have Lingered Since Earth’s Creation

Chemical leftovers from the very earliest days of our planet could still be present near Earth’s core, according to new research, and the discovery could improve our understanding of plate tectonics phenomena happening today.   The team behind the study compares these leftovers to clumps of flour at the bottom of a bowl of batter … Read more