Ice Crystals Cause Beautiful Noctilucent Clouds

Why Is the HPV Vaccine Suddenly Effective for Adults?

The HPV vaccine used to be only for adolescents, before they were sexually active. Now, the FDA has approved the vaccine for adults as well. What accounts for the change?

Kiss Your Beer Goodbye if Climate Change Continues Unchecked

As if warming temperatures and melting glaciers aren't bad enough, now climate scientists are warning that the world's beer supply could all but dry up. Even at Germany's world-famous Oktoberfest.

Why Playing Musical Pillows Isn't Helping Your Neck Pain

Chronic neck pain may be a sign of something more serious, but body position and the proper pillow go a long way toward helping you wake up pain-free.

Sea Cucumber: Animal or Vegetable?

The kindest thing you can say about a sea cucumber's physique is that it looks very much like a large hoagie bun dressed in a lumpy old sweater.