Watch principles of ionization soap2day. Shows the properties of different solvents, including their electrical conductivity or lack of it. Shows how they affect the boiling point of water. Demonstrates ion migration during electrolysis.
02024HD
When the Tanana River bridge was installed in Salcha, Alaska, the community worried about the levee's effects on fish wildlife. Salcha Elementary...
4.32017HD
A fascinating new look at the biblical, historical, and scientific evidence for Creation and the Flood. Learn from more than a dozen scientists and...
6.42017HD
Bill Nye is retiring his kid show act in a bid to become more like his late professor, astronomer Carl Sagan. Sagan dreamed of launching a spacecraft...
6.52019HD
If machines can be smarter than people, is humanity really anything special?
7.62014HD
Before the internet. Before social media. Before breaking news. The victims of Thalidomide had to rely on something even more extraordinary to fight...
81979HD
A documentary produced in 1979 to celebrate the centenary of the birth of Albert Einstein. Narrated and hosted by Peter Ustinov and written by Nigel...
7.51996HD
A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting...
7.31956HD
One entry in a series of films produced to make science accessible to the masses—especially children—this film describes the sun in...
7.22019HD
A vivid journey into the mysterious subterranean world of mycelium and its fruit— the mushroom. A story that begins 3.5 billion years ago,...
62008HD
The discovery of neuroplasticity, the fact that thoughts can change the structure and function of our brains, even into old age, is one of the most...
02009HD
6.72016HD
Near the cold Pyrenees of Iberia, surrounded by ancient and dark green forests, lies a strange land where the rain is scarce and the wind is always...