David Attenborough looks at some of the huge variety of mammals. The tree shrew has attracted great interest as it shows how mammal...
Knowles and McCork ask, what happens when we fall in love?
Knowles and McCork ask 'Which animal can jump the farthest?'
Knowles and McCork ask what is the largest animal of all time?
Knowles and McCork ask if goldfish have bad memories and find out what makes them tick.
Knowles and McCork ask the question 'Which animal can turn invisible?'
Knowles and McCork ask why a haircut doesn't hurt.
Knowles and McCork ask 'What is the world's most venomous animal?'
Knowles and McCork ask the question 'Why do we have baby teeth?'
Knowles and McCork ask 'Why do we make saliva while we eat?'
Knowles and McCork ask the question 'Which animal has the best eyesight?'
Knowles and McCork explore the digestive system of Colin the floor manager.
Knowles and McCork ask 'Why do cats purr?'
Knowles and McCork ask the question 'How does my heart keep beating?'
Knowles and McCork find out why girls can't grow beards and what would happen if a man never shaved.
Nina goes to Spain to meet Jessica and to find out how we know when we need to use the toilet.
Lucy from Edinburgh wants to know why people cannot taste when they have a cold.
Nina helps Sam from Morecambe find out what eyebrows are for, and what eyebrows can tell us about what people are feeling.
Roddy wants to know if we all smell different.
Nina travels to Spain to help Ella and her friends find their way through a maze using their different senses.
Corin asks Nina why tongues are wet, and with a few experiments they discover the reason.
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