NOVA
Why Do Comets Have Tails?
Show title: NOVA
Video title: Why Do Comets Have Tails?
Video duration: 0m 55sVideo description: Worlds that exist close to the warmth of the sun, like the rocky worlds of Mars, Earth and our moon, have relatively little ice, because they lie inside what is known as the ice line.
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
Two centuries of bikes, and we’re still debating the best way to learn to ride one.
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.