TechKnow - Al Jazeera English


Sniffing out Cancer

We delve into the mystery behind the science of canine high-powered scent detectors and ask if dogs can smell cancer.

Smoking out the truth

Are health claims for the new generation of e-cigarettes true, or are they a smokescreen?

Voice Box

'Voice message banking' lets ALS patients speak in their own voices even after they lose the ability to talk.

Charlotte's web

In the US state of Colorado, marijuana is being used to help children suffering from epileptic seizures.

The Frozen Zoo

Examining technology that could potentially bring animals back from extinction.

Inside the CSI

We explore how new techniques in forensic science can influence the ways we solve crimes.

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