This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's Law, the universal law of gravitation, the Doppler Effect, and much more!
In 1962, spurred by the Cold War, President John F. Kennedy famously made the bold proclamation that...
As society tackles the problem of feeding our expanding population safely and sustainably, a schism ...
A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwi...
Richard Feynman was a scientific genius with - in his words - a "limited intelligence". This dichoto...
Man has always sought to seek further afield. After the seafaring explorers of the 16th century, 21s...
Although the mountain volcano Mauna Kea last erupted around 4,000 years ago, it is still hot today, ...
Hard-edged cop John Kimble gets more than he bargained for when he goes undercover as a kindergarten...
Three billion miles away a grand-piano-sized spacecraft is speeding through the outer solar system a...
That Kiljunen familys sets out find their two missing family members, who have been sent to Tampere ...
Three hikers visit Eliot Glacier on Oregon's Mount Hood.
Wildlife photographer Richard Sidey joins an international team of whale research scientists in Anta...
Based on more than two decades of systematic research and cross-cultural comparison by comparative m...
Fascinating -- and unintentionally funny -- experiments at Austria's famed Institute for Experimenta...
How's it all gonna end? This experience takes us on a journey to the end of time, trillions of years...
Follow leading scientists around the world and to the edge of the universe on their quest to solve o...
An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 mill...
A 1970s American elementary school program encouraging students to figure out for themselves the uni...
Shows children various reasons why they need to resist peer pressure, refuse drugs, and refuse to fo...
Tobacco, climate change, pesticides,... Never has scientific knowledge seemed so vast, detailed and ...