Could life have rained down on Earth from outer space? That tantalizing prospect has been raised in a new scientific paper by NASA scientist Richard B. Hoover of the Marshall Space Flight Center in Huntsville, Ala.
We're in Siberia, shivering. It's November, November 11, 2003, and two boys, Kolya and Maksim Muravyev, are ice fishing along the Lena River, where it's 13 below zero. All of a sudden, up in the sky, they see what looks like a flamingo.
The space shuttle Discovery is set to land for the last time Wednesday at the Kennedy Space Center in Florida. It will then be sent off to the Smithsonian for retirement as NASA shuts down the shuttle program.
While you were thumbing through your Feb. 4 issue of Physical Review Letters, perhaps you noticed the article titled "Viscoelastic Suppression of Gravity-Driven Counterflow Instability."OK, maybe not. But it was actually worth a look.
Can you recognize yourself in a mirror? Of course you can. When you were 9 months old, you couldn't. If your mom had plopped you in front of a mirror, you'd see the baby in front of you, but you wouldn't know that baby was you.The science experiment that proves this is elegant and simple.
Most plastic products, from sippy cups to food wraps, can release chemicals that act like the sex hormone estrogen, according to a study in Environmental Health Perspectives.The study found these chemicals even in products that didn't contain BPA, a compound in certain plastics that's b