Free Science Videos and Lectures

Neutron slams into the nucleus of a heavy element which causes a nuclear fission creating two ligher elements (fission products) and more free neutrons.

These free neutrons are absorbed by other...

This science video contains:
nucleus, nuclear fission, neutrons, fission products, chain reaction

The best physics lecturer Walter Lewin makes another wonderful physics demonstration after having read a lecture on batteries.

The battery he creates has a huge potential difference - 10 to 20...

This science video contains:
experiment, current, walter lewin, physics, demonstration, battery, emf, polarization, hydrogen, potential, sparks

British (department of genetics at Cambridge University) scientist Aubrey de Grey, Ph.D., is interviewed by CBC news correspondent Portia Clark after a lecture at the University of Alberta...

This science video contains:
aubrey de gray, phd, aging, genetics, health, life, mice, therapy

Incredibly 80% of all the insects live in jungles. There can be more than 8 million individuals in a single hectare. But jungle ants don't have it all their own way. Bullet ants are showing some...

This science video contains:
cordyceps fungus, ants, infection, parasite, spores, colony, species, jungle

An atmospheric cloud wave is a stable structure moving through the clouds.

This science video contains:
weather, atmosphere, clouds, wave, rain