Why Some Animals Eat Rocks To Aid in Digestion
Gastroliths, or "stomach stones," are found in animals from chickens to sea lions. But what are they for?
Who Was the World's First King?
This is not an easy question to answer, thanks to the mists of time. But historians have put forth several possibilities. An ancient tablet claims one king ruled for 28,000 years!
The Art and Science of Aging Beer
We know wine collectors age their wine. But what about beer? There's a movement of beer enthusiasts dabbling in aging beer, too. Do the same rules apply?
Permanent Hair Dye, Straighteners Linked to Higher Breast Cancer Risk
A study from the National Institutes of Health found women who regularly use permanent hair dye and chemical hair straighteners are at a higher risk of breast cancer. The risk increases significantly — more than six times — for black women.
It Takes a DJ: Healthy Reef Sounds May Lure Fish to Damaged Reefs
If it looks like a party is on, maybe they'll come back. Playing the sounds of a noisy, healthy coral reef can attract important fish species to devastated reef habitats.
