NOVA
Why Did These Vikings' Bones Appear Older Than They Are?
Show title: NOVA
Video title: Why Did These Vikings' Bones Appear Older Than They Are?
Video duration: 2m 18sVideo description: Archaeologists discovered a mass grave of what they thought to be ninth-century Vikings. But for some reason, the radiocarbon dates of their bones, found by measuring a radioactive carbon isotope, appeared much older.
How an Eclipse Proved Einstein Right
The total solar eclipse of 1919 led Albert Einstein down the path toward stardom. Here’s how.
Watch an Eclipse Safely
With the US eclipse just over a week away, here’s how you can watch it safely.
Eclipse Over America Trailer
On August 21, 2017, millions of Americans will witness the first total solar eclipse to cross the continental United States in 99 years. While hordes of citizens prepare to flock to the eclipse’s path of totality, scientists, too, are staking out spots for a very different reason: to investigate the secrets of the sun’s elusive atmosphere.
Eclipse Over America Preview
On August 21, 2017, millions of Americans will witness the first total solar eclipse to cross the continental United States in 99 years. While hordes of citizens prepare to flock to the eclipse’s path of totality, scientists, too, are staking out spots for a very different reason: to investigate the secrets of the sun’s elusive atmosphere.
Best Way to Learn to Ride a Bike
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How to Build Your Dragon
Game of Thrones got us thinking — what would a real dragon look like?
School of the Future - Spanish Version
How can the science of learning help us rethink the future of education for all children? Airing September 14, 2016 at 9 pm on PBS
How to Find an Exoplanet
Want to find another world beyond our solar system? Here are the 5 ways you can do it.
Grow Your Own Crystals
What should you do with the borax you have leftover from making slime? Make crystals!
Flint: A Timeline
Follow the emergency in Flint from the switch in water supply to today’s health crisis.
Scandal's Joe Morton on Flint
Actor Joe Morton, narrator of “Poisoned Water,” discusses the Flint water crisis.