Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. There is no official cause for irritable bowel syndrome (IBS), but ...

Gravity is the reason things with mass or energy are attracted to each other. It is why apples fall toward the ground and planets orbit stars. Magnets attract some types of metals, but they can also ...

Gravity is the reason things with mass or energy are attracted to each other. It is why apples fall toward the ground and planets orbit stars. Magnets attract some types of metals, but they can also ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Gravity is the reason things with mass or energy are ...