Greatest Discoveries: Cosmic Radiation
Through his hot air balloon experiments, physicist, Victor Hess discovers the phenomenon and effects of cosmic radiation.
Greatest Discoveries in Astronomy
Greatest Discoveries in Evolution
Greatest Discoveries in Medicine
Greatest Discoveries in Chemistry
Greatest Discoveries in Earth Science
100 Greatest Discoveries (24:38)
100 Greatest Discoveries in Astronomy
100 Greatest Discoveries (23:40)
Explore developments in health.
100 Greatest Discoveries (21:05)
Explore the Earth under your feet.
Greatest Discoveries (01:23)
Through his hot air balloon experiments, physicist, Victor Hess discovers the phenomenon and effects of cosmic radiation.
Greatest Discoveries (02:25)
A thousand years of observations reveal that there are stars that move in the sky and follow patterns, showing that the Earth is part of a solar system of planets separate from the fixed stars.
Greatest Discoveries (02:39)
Take an in depth look at our planet with host Bill Nye, as he examines the Earth's inner and outer core.
Greatest Discoveries (02:43)
William Harvey discovers how blood is actually circulated
Greatest Discoveries (02:02)
Scientists found out that the sun was the center of the universe by studying Jupiter and its moons. For real, check it out.
Greatest Discoveries (02:12)
Groundbreaking research by Alfred Wegener reveals that the phenomenon of continental drift.
Greatest Discoveries (02:05)
Bill Nye and geologist, Dr. Neal Driscoll visit the California coastline where the Pacific and North American plates collide to help explain the phenomenon and effects of plate tectonics
Greatest Discoveries (02:34)
Bernard Brunhes' study of volvanic eruptions lead to the discovery of the earth's magnetic field reversal.
Greatest Discoveries (01:11)
One of the dynamic principles of geology is explained with Harry Hess' discovery of Sea Floor Spreading and the concept of subduction.
100 Greatest Discoveries (02:08)
Modern humans are just the latest link in the evolutionary chain. See how the fossil record changes our view of what it means to be "Human".From the world of medicine to the expanse of space, review the greatest discoveries of our time across eight different science categories.
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