Oldest Skeleton in Americas Found in Underwater Cave?

Deep inside an underwater cave in Mexico, archaeologists may have discovered the oldest human skeleton ever found in the Americas.

Odd Gender Differences Found in Walking

If we see a shadowy figure walking down a dark street, our sense of whether it is coming at us or walking away depends on whether we see it as a he or a she, new research finds.

This new result sheds light on the subtle judgments the brain makes when it notices motion.

In the past, research has shown that people are extraordinarily good at deducing the gender, age, mood and even personality of others based on just a few of their moves.

( Humans in Motion )

New Virtual Telescope Zooms In On Milky Way's Super-massive Black Hole

An international team, led by astronomers at the MIT Haystack Observatory, has obtained the closest views ever of what is believed to be a super-massive black hole at the center of the Milky Way galaxy.