The Magazine

Live video chat today (May 18) at 3:00 MT

May 18, 2008 10:28 PMNov 5, 2019 7:06 AM

Newsletter

Sign up for our email newsletter for the latest science news

0 free articles left

Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

0 free articlesSubscribe

Want more?

Keep reading for as low as $1.99!

Already a subscriber?

Register or Log In

Stay Curious

Sign up for our weekly newsletter and unlock one more article for free.

View our Privacy Policy

Want more?
Keep reading for as low as $1.99!

Log In or Register

Already a subscriber?
Find my Subscription

More From Discover

Sound Waves From the Big Bang Suggest Earth Is Sitting Inside of a Void

The Bizarre 300-Million-Year-Old Tully Monster — Why the Fossil Still Confuses Experts

Get Ready for the 2025 Buck Moon — The Farthest Full Moon from the Sun and the First of the Summer

Stay Curious

Join

Our List

Sign up for our weekly science updates.

View our privacy policy

Subscribe

To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

The Magazine About Discover Privacy Policy Subscribe Advertise Newsletter Terms of Use Customer Service Contact Copyright Policy Correction Policy Our Staff Transparency

Copyright © 2025 LabX Media Group

Website Accessibility