How did animals respond to the ice age? Ancient bison preserved in the Canadian arctic have given scientists a clue.
When you open a container of yogurt, you'll often see liquid collected on top. What is it, and where does it come from?
Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging.
Scientists believe they have a high-tech use for one of nature's natural anti-bacterial agents, ultraviolet light. They can use it to replace pasteurization.
In addition to providing a spectacular light show, and scaring us to death, lightning also helps fertilize the soil.
Oddly enough, a solution of 70% alcohol, that is, rubbing alcohol, is a more effective antiseptic than 100% alcohol. Another case of where more is not better.
What if a nice, protein-rich insect doesn't get trapped in the web every day? What's a hungry orb-weaver to do?
Why does pollen from plants make your nose run? The answer involves protein and communication.
Did you know that most chemical messages in your body take the form of a protein?
The Maya knew that corn and beans grow well together, just as in this country some farmers rotate their crops.