What Caused the Dinosaurs to Go Extinct?
Season 50
Episode 15
About the Episode
The asteroid released the equivalent of 10-billion nuclear bombs worth of energy when it struck Earth. The impact started a chain of events that wiped out 75% of all plants and animals at the time.
Aired:
| Expires: | Runtime: 1m 50s
Recent Episodes
-
Episode 8, Season 51<br> Decoding the Universe: Cosmos
Explore big discoveries that have revolutionized our understanding of the universe.| 53:38 -
Episode 7, Season 51<br> Secrets in Your Data
Find out who’s using your data and what you can do about it.| 53:40
Extras
-
Solar System: Storm Worlds Preview
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.0:30 -
What Happened to the Hole in the Ozone Layer?
In the 1980s scientists discovered a crucial part of the Earth’s atmosphere was extremely thin.3:13 -
-
-
Legacy of the Land
Native American communities share their culture and knowledge to address climate change. -
Harvesting the Future
Ak-chin farming makes desert agriculture possible, and now, those practices help communities today.9:22 -
Megadroughts and Indigenous Voices
The Southwest is in a megadrought, but Native Americans have survived them before.7:51 -
Standing the Heat
Reintroducing the hogan, an earthen Navajo structure that stays cool in the summers without AC.8:44 -
Tides of Tradition
Following a local Unangax̂ hunter, hear the realities of food access in the changing Arctic.9:47 -
Keepers of the Coastline
In Northern California, Marine science is guided by Tolowa Dee-ni' Nation’s community and culture.11:56
