The Curious Cases on BBC Discovery continues as science sleuths Dr. Adam Rutherford and Dr. Hannah Fry investigate everyday mysteries sent in by listeners. this Sunday with Episode Four.

This Sunday with Episode Four.

Why do some people faint at the sight of blood? And can horses count?

Fainting at the sight of blood?

What is it that people faint at the sight of blood, or a hypodermic needle, or even if they bash their funny bone? Does it serve any useful evolutionary purpose, or is just some kind of cerebral error condition?

Curious Cases presenters Hannah Fry and Adam Rutherford

Hannah Fry and Adam Rutherford investigate everyday mysteries sent by listeners, Curious Cases from the BBC

Adam is strapped onto a hospital tilt table in an attempt to make him blackout and Hannah receives an aromatic surprise. Featuring consultant cardiologists Dr. Nicholas Gall and Dr. Adam Fitzpatrick and cardiac physiologist Shelley Dougherty.

You can see the full BBC programme online here

Animation by @fortsunlight

Curious Cases – Can horses count?

Considering whether horses can count? Really?

Looking at the case of Clever Hans, with a spectacular re-enactment of a 20th-century spectacle. Plus, we hear from Dr. Claudia Uller who has been conducting modern studies on equine counting. Mathematician, Professor Marcus Du Sautoy, explains the basic concept of counting to Adam, and Hannah looks across the animal kingdom to find the cleverest mathematical creature.

Main photo credit: Adam proctor 

BBC Discovery broadcasts on a Sunday at 8:30 am on Phuket Island radio 0nline and on air at 102.5FM and is part of the stations EDUtainment strategy and includes also on a Sunday BBC Healthcheck at 8am, BBC Science in Action  at 9am and technology from BBC Click at 9.30.

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