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Clip: Season 46 | 1m 54s
Discover the science behind the phenomenon.
Aired: 03/18/19
National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers.
Fossil Discovery Could Offer Glimpse into Day the Dinos Died
Fossilized fish appear to preserve the fallout of the asteroid that killed the dinosaurs.
How the Magnus Force Curves Soccer and Baseballs
Baseball vs. Soccer: Which sport has the best curves?
Deepfake Videos Are Getting Terrifyingly Real
Artificially intelligent face swap videos are more sophisticated and accessible than ever.
Vaping Cost One Teen His Health and Dreams
Nicotine addiction came with high price for one teen, and he’s not alone.
Grandfather of Climate Science and "The Big Experiment"
A pioneer of climate science, explains why he wishes he could have lived another 50 years.
This AI Can Help Park Rangers Identify Poachers
A system of small cameras can help park rangers identify possible poachers.
What Went Wrong with the Boeing 737 Max 8?
Experts weigh in on what may have happened to the Ethiopian flight 302.
The World Wide Web Celebrates its 30th Birthday
Without it, you wouldn't be able to watch this video.
Why Hurricane Florence Caused So Much Flooding
Warming air and sea surface temperatures are making storms wetter and more intense.
Scientists are trying to help reefs around the world the world by identifying super corals
The advent of horse riding changed the course of human history and our genetic makeup.
Scientists investigate the deadly megafires that swept through California in 2018.
Can a daring water engineering project revive the Dead Sea without altering its chemistry?
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
Journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi in 2018.
Join scientists as they grab light from across the universe to prove quantum entanglement.
