Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. This is ...

Like a scouting handbook for the molecular realm, a new chart reveals how to tie molecules up in knots of increasing complexity. Mathematicians have cataloged billions of distinct knot types, but ...

On the periodic table, most elements have at least one stable form. But others have only unstable forms, all of which decay by emitting radiation and transforming into different elements until ...

🛍️ Amazon Big Spring Sale: 100+ editor-approved deals worth buying right now 🛍️ By Rose Pastore Published Jul 11, 2013 5:00 PM EDT Add Popular Science (opens in a new tab) Adding us as a Preferred ...