Taco Bell is the quickest fast-food drive-thru experience, study finds. Here's where the others rank.

We Could Save Up to 12 Million Lives by Retiring This Technology Right Now

We Caught Modern Genital Warts Because Our Ancestors Were Banging NeanderthalsHere's Why You Get Those Annoying Static Electricity Shocks

Researchers Say They've Discovered 2 Mysterious "Cavities" Inside The Great Pyramid of GizaThe Most Empathetic Countries in The World Have Just Been RankedAncient Tombs Discovered Under Two Maya Pyramids Shed Light on Mysterious 'Snake Kings'

Just 2 Weeks in The Mountains Can Change Your Blood For MonthsSchools Around The US Are Finally Pushing Back Their Start Times – And It's Working

This Australian Rock Formation Could Be Older Than Stonehenge

People Ate Each Other in This Cave – And We Still Don't Know WhyExertion Headaches Can Make Exercise a Real Pain. Here's What to Do About Them

New Research Reveals Which May Be Better For Mental Health: The City or The SuburbsMysterious Paradox of How Whales Avoid Cancer Has a New Solution

Doing This Type of Exercise Just 10 Minutes a Week Could Reduce Risk of Flu DeathSmall Study Reveals How to Measure Chronic Pain Using Brain Signals