Access to this video is a benefit for WQED members.

Become a member

Episode Clips

How to Calculate Time With an Islamic Astrolabe

It is one of Islamic science’s most important and complex astronomical instruments.

These Ancient Stones Helped Track the Seasons

Mysterious stone arrangements reveal Senegal’s ancient connections to astronomy.

More Episodes

Ancient Builders of the Amazon

Archaeological discoveries reveal traces of ancient civilizations in the Amazon.

New Eye on the Universe

See the latest stunning images and discoveries from the James Webb Space Telescope.

Weathering the Future

Americans use ancient wisdom and new technology to fight extreme weather.

View all episodes

Other shows you may enjoy

Physics Girl
NOVA scienceNOW
Kingdoms of the Sky
A Year in Space
Earth's Natural Wonders

Browse all shows