Watch Clip
Ghosts of Subatomic Particles
1m 42s
The universe’s smallest particles fly down from space and emit from a radioactive rod.
NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.
Video description: The ancient ancestors of today’s Maya people thrived in large sophisticated cities across Central America for centuries. Why, around 750 CE, did they begin to abandon many of their major cities? Archaeologists investigate dramatic new evidence of the catastrophic droughts and instability that pushed cities beyond their limits.
The universe’s smallest particles fly down from space and emit from a radioactive rod.
Could parallel universes exist? If so, what would they look like and how would they form?
The zombie apocalypse is here, and calculus explains why we can’t quite finish them off.
You're being chased by zombies, and understanding tangent vectors may save your life.
Check out the new streaming service from Cascade PBS, which pairs your PBS favorites with an ever-growing selection of TV series and films from around the world. Enjoy dedicated mobile and TV apps.