Free Science Videos and Lectures

Scientists listened to animals playing and they noticed something that appeared to them to be laughter. They studied this behavior for couple of years before acturally realizing that it is...

This science video contains:
frequency, rat, rats, scientist, laugh, laughter, laughing, sound, tickle, tickling

Wow. This video clearly shows how the technology of video editing has advanced.

Driving at night becomes driving at daytime!

Blonde becomes brunette, then redhead and then light brown haired.
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This science video contains:
video technology, video editing, driving, day, night, twilight, brunette, blonde, red head, brown, window cleaner, ground, rake, racing, truck, smoke, girls

HIV replication is a complex multi-staged process that includes crucial steps taking place on the exterior as well as the interior of the target host cell.

The first three steps involved in cell...

This science video contains:
cell, replication, nrti, nnrti, virodna, protease inhibitor, hiv, host, attachment, binding, fusion