by BBC 15,804 views
http://www.bbc.co.uk/bang Goldfish aren't known for their smarts, but evolutionary biologist Dr Yan is out to change that by teaching Billy and Gilbert a trick or two. Special thanks to James Campbell - son of Dallas - for helping to train the fish.
by BBC 4,711 views
http://www.bbc.co.uk/bang How can you make your meals more filling so that you aren't tempted by second helpings? With the aid of some model stomachs Dr Yan serves up the answer.
by BBC 4,672 views
http://www.bbc.co.uk/bang If you try walking in a straight line without the usual sensory information, where do you end up? Dr Yan dons a motorcycle helmet backwards and heads to a field, to find out.
by BBC 3,163 views
http://www.bbc.co.uk/bang Prepare to cringe as Dr Yan goes in search of the most excruciating sound in the world. Find out what it is and why it's so bad - if you dare!
by BBC 2,540 views
http://www.bbc.co.uk/bang It's Yan against machine to find out which is more efficient, the human powered bicycle or the petrol engined moped. Which will go further on 1,000 calories?
by BBC 875 views
http://www.bbc.co.uk/bang How is our data kept safe when we send it over the internet? The principle is surprisingly simple, and as ever, Dr Yan has the key to our conundrum.
by BBC 1,137 views
http://www.bbc.co.uk/bang Dr Yan hits the busy streets to use the collective wisdom of passers-by to guess the number of buses in London. Will they get anywhere near the actual figure?
by BBC 11,425 views
http://www.bbc.co.uk/bang It's hard to believe, but the first wireless telephone call was made in 1880. Dr Yan explains how Alexander Graham Bell encoded sound into a shimmering beam of light.