Rods, cones & 3D vision | James May’s Things You Need to Know

Duration: 2'05''

Synopsis

James May asks the big questions about his body. Why are we made like this? In this clip, he explores cones, rods, and how the eye sees.

Further Information

More clips from James May's Things You Need to Know

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James May explains DNA and dominant and recessive genes.

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Health documentary series with anatomist Dr Alice Roberts. Shock tactics are deployed to make one confirmed smoker realise ...

S02E01: Male Reproductive Organs | Dr Alice Roberts: Don't Die Young

S02E01: Male Reproductive Organs | Dr Alice Roberts: Don't Die Young

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In the first of a new series, Dr Alice Roberts explains how the male reproductive organs work and has ad...

S02E02: Female Reproductive Organs | Dr Alice Roberts: Don't Die Young

S02E02: Female Reproductive Organs | Dr Alice Roberts: Don't Die Young

BBC Two | 2008 | 29'40''

Dr Alice Roberts turns her attention to the female reproductive organs where she uses an MRI scanner t...

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Dr Alice Roberts gets an insight into what it is like to be deaf with specially designed headphones, and...

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Asthma, dust and alveoli | Dr Alice Roberts: Don't Die Young

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Alice demonstrates what effect dust can have on someone with asthma.

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