clbell's channel

it's the unedited version

Fish Parasites

Karl Deisseroth is pioneering bold new treatments for depression and other psychiatric diseases. By sending pulses of light into the brain, Deisser...

Explaining the concept, refuting common objections and giving a number of reasons that atheists are sometimes 'fervent'.

Our scientists respond to more questions from viewers - this time it's questions about God and astronomical features. More from us at http://www.si...