To understand the universe, we must look to entropy — the chaos engine of the cosmos.
Based on graphene, this new material can knock out hard-to-kill germs on contact — even in your mouth.
Chiral molecules are mirror images of each other. They might not seem all that different — but can have drastically different effects in medicine, materials and more.
Ice arenas and artificial snow now dominate the winter Olympics. Athletes there — and everywhere — may need to adjust how they train and perform.
Wild species exposed to nuclear contamination help show how radiation affects living things — including its risks to people.
Decades of aboveground nuclear weapons tests, starting in the 1950s, lightly littered the planet with toxic fallout, which appears to have sickened some people.
Decorating nanoparticles with other chemicals could give them useful properties for medicines, textiles and more.
Slow and steady cuts with a sharp blade, video shows, can reduce the pain-inducing spray of tiny onion-juice droplets.
Materials known as metal-organic frameworks, or MOFs, trap some PFAS fast — and can be reused again and again.
