TechKnow - Season 4

Religion was long seen as spiritual nourishment of the soul, but now, groundbreaking research looks at how it impacts the brain. Can 'feeling the spirit' be measured scientifically?

The smuggling of endangered wildlife, both dead and alive, is a billion dollar global business, second only in size to the illegal arms and drug trades.

TeckKnow investigates the modern-day Indiana Jones behind the booming business of dinosaur bones.