Many biological processes are regulated by electricity—from nerve impulses to heartbeats to the movement of molecules in and ...

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

Until 1628 few Europeans disputed the teachings of Galen, an accomplished Greek physician and scholar. Galen lived in the second century A.D., and his teachings would come to dominate European ...

Explore the U.S. bicameral legislature, its structure with the House of Representatives and Senate, and the historical ...

Looking for an alarm system to make you feel more secure? We've tested all the top professional and DIY home security systems to help you decide which is right to protect your family and property.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The simple interest formula is Interest = P * R * T. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions on our ...