Researchers discovered eight well-manufactured throwing spears in an Ice Age coal deposit near Schöningen, Germany. They are calling these the oldest human tools. What can forensic science reveal about the people who made them?

People instantly recognize intelligent engineering in a structure that has optimized size or shape. Optimum parameters don't just happen. So when two mechanical engineers recently discovered optimum sizing in locust legs, to what did they attribute that high level of engineering?

A husband and wife don't always see eye-to-eye. Sometimes this is simply because they have differing preferences, but often it is because they are wired with differing thinking patterns. Researchers now report how brain structure differences between men and women appear to relate to vision differences.