Dolphin Mirror
About the Episode
Research suggests that dolphins can recognize themselves in the mirror.
Aired:
04/21/14
| Expires: | Runtime: 3m 18s
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Extras
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Who Carved These Mysterious Lines in the Desert?
Learn more about the ancient Nazca people and their ancestors, the Paracas.6:57 -
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Why Experts Say Permanent Daylight Saving Time is Unhealthy
Early morning sunlight is the key to setting our internal clocks.4:30 -
Humans May Have Lived in North America Earlier Than Thought
Scattered seeds help reveal when ancient humans first left footprints in North America.4:16 -
Why NASA is Going Back to the Moon
NASA’s Artemis I is a big step toward sending humans back to the moon.4:53 -
How Scientists Developed a Drug to Prevent HIV
The development of PrEP was a breakthrough in HIV prevention.3:05 -
Crypto Decoded Preview
What exactly is crypto, and how does it work? This technology is more than just money.0:30 -
How Psychedelics Change the Brain
Scientists found that psychedelic drugs may change how brain regions talk to each other.4:11 -
Nazca Desert Mystery Preview
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.0:27 -
Psychedelics as Medicine: The History of Peyote
Indigenous communities use this small psychedelic cactus as a medicinal herb.4:02
