Today is the birthday of Hans Geiger, born in 1882, a German physicist known for the techniques he developed for detecting and counting charged particles. Geiger investigated the charge and nature of alpha particles and devised techniques for counting them.
Scientists have discovered how stingrays can enjoy their hard-shelled meals of snails and mussels despite the fact that their mouths are made of mushy cartilage: The stingray jaws, it turns out, are fortified with a bony material that allows them to crunch open the toughest shells.
Half the world cannot drink a glass of milk without cramping up. But help may be on the way: Scientists report in next month's issue of Nature Medicine that rats unable to digest lactose, a sugar in dairy foods, are cured by a pill that stitches new genes into the cells of the gut.
When former President Ronald Reagan slipped and said that trees can pollute the air, it turns out he wasn't far off the mark. New research shows that some leafy green plants churn out methyl bromide, a chemical that helps destroy Earth's protective shield of ozone.
WASHINGTON, D.C.--Around 6:22 a.m. EDT on 27 August, a tidal wave of x-ray and gamma ray radiation washed over the Earth, turning night to day in the upper atmosphere and shell-shocking some satellite equipment.
At banquets and ceremonies today, the guests of honor often sit at a head table raised up for all to see. Now, new archaeological finds are suggesting that ancient Incas had a similarly exalting arrangement for sun-worshipping rituals.