Does the fastest tennis serve depend on height?

Does the fastest tennis serve depend on height?

With the Aussie Open here again, Rhett Allain investigates...
What's in a nerve?

What's in a nerve?

Planet Science investigates nerve cells
Fear of heights

Fear of heights

Do you have acrophobia?
Oh no...sprouts!

Oh no...sprouts!

It's everyone's least favourite Christmas food, but if you don't like them, you can blame your genes!

Mars Science Laboratory blasts off
NASA launches Mars Curiosity rover

What does nano mean?
Nano means very, very small.

Science in the cinema
Physics can lead to a career in special effects. Find out more...