Party at Stonehenge. Date 2,500 B.C.

Stonehenge may be older and may have had a different function than previously thought, according to new research from British archaeologists.

Video: 15,000 volts of electricity into a plywood board

What happens when you apply 15,000 volts of electricity to a wooden board? Something quite spectacular.

Video: Harlem shake lab edition

Video of students at Northwestern University doing the Harlem Shake in lab.

Man reunites with gorilla after five years apart

Conservationist Damien Aspinall reunites with the gorilla he raised, five years after the gorilla was released into the wild.

Scientists describe case of child born with HIV, now cured

It's the first documented case of a child born with HIV and later cured with aggressive drug treatment.

Where does our sense of time come from?

Our sense of time is mutable, stemming at least in part from our ongoing experience of the external world.

What exploded over Russia? Watch two videos with new answers

Two videos present the latest results - as of February 26, 2013 - on the meteor that exploded over Russia on February 15.

This date in science: Co-discoverer of insulin is born

Charles Herbert Best, along with Frederick Banting, discovered a way to manage diabetes and help millions.

The wisdom of astronauts

This amazing video features footage of Earth from space and astronauts speaking on how their experience changed their lives.

Video: A 1967 version of the Office of the Future

In this 1967 video clip, Walter Cronkite shows us the office of the future. His predictions, though visually dated, are more accurate than you might expect.