Secrets of the Sky Tombs
About the Episode
Evidence discovered in the world’s highest tombs reveals ancient rituals and beliefs.
Aired:
01/03/17
| Expires: | Runtime: 28s
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Extras
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NOVA Universe Revealed: Milky Way Preview
Explore the wonders and mysteries of our galaxy—the giant city of stars we call home.0:30 -
NOVA Universe Revealed: Age of Stars Preview
Voyage to discover the sun’s place in a grand cycle of birth, death and renewal.0:30 -
Incarcerated for Cannabis: Who's Still in Prison and Why?
Many states have legalized cannabis for medical use, but thousands are still in prison.3:54 -
Cannabis Reverses Brain Aging in Mice
Low doses of THC from cannabis can help older mice learn faster, researchers found.3:51 -
The Arctic Jet Stream Affects Global Climate. Here's Why.
The jet stream is a band of wind that influences weather in the northern hemisphere.3:03 -
This Detector Can Catch Cosmic Neutrinos
Neutrinos could help unlock one of the biggest mysteries in physics today.3:20 -
How Cannabis Affects Teens' Brains
Our natural endocannabinoids reach their highest levels as the brain develops.3:28 -
How Some Parents Brought CBD to Market to Treat Epilepsy
About a third of epilepsy patients don't respond to medication.7:01 -
Why are Bats Tolerant of the Diseases They Carry?
Viruses circulate so well within bat colonies — could they hold secrets to better health?2:34 -
NOVA Universe Revealed Series Teaser
Take a ringside seat as NOVA captures moments of high drama when the cosmos changed.1:00
