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Bans on Many CBD Products Loom This Year

JAN HOFFMAN

A federal law taking effect in November severely limits the amount of THC, the euphoric cannabis compound, allowed in over-the-counter items. Many groups are fighting back.

Join the Great Backyard Bird Count—for science!

Avian enthusiasts around the world will identify and count birds from February 13 through February 16 as part of a massive citizen science project

How to name a Madagascar hissing cockroach for Valentine’s Day at the Bronx Zoo

The Bronx Zoo is celebrating 15 years of its extremely popular Valentine's Day "Name a Roach" program

The story of the first kiss—21.5 million years ago

Why the simple act of kissing—which can be traced back 21.5 million years—continues to confound evolutionary biologists

NASA launches Crew-12 astronauts in Valentine’s Day gift to the ISS

Four astronauts are on their way to the orbital space station, with docking expected on Saturday

AI tool decreased political polarization from social media algorithms

Researchers used a browser extension to reorder people's X feeds, reducing their polarizing effect

How much energy is released when supermassive black holes collide?

The collision of supermassive black holes shakes the entire cosmos, hard

How a year of RFK, Jr., has changed American science

After a year of RFK, Jr., heading the Department of Health and Human Services, the "Make America Healthy Again" movement has upended science and medicine

Why an Army antidrone laser grounded flights at El Paso International Airport

Sources say an Army antidrone laser near Fort Bliss prompted a brief FAA airspace closure—spotlighting the hazards of battlefield technology in civilian skies

Following one of these five diets may be the key to living longer

It's no surprise that eating fruits and vegetables is good for you, but diets that are rich in these foods could boost longevity, too, according to a new study

Let these nine romantic animals inspire you on Valentine’s Day

These amorous creatures could put Casanova to shame—from beguiling dancing seahorses to peacocking spiders

8 romance novels for readers who love science, too

Scientific American's staff recommends eight books that are as full of science as they are of love

How roses evolved to become the flower of Valentine’s Day

Roses are red—but their ancestors looked rather different