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It’s that time of year again! The winner of the Abel prize, mathematics’ answer to the Nobel, has been announced. This year’s winner is Robert Langlands, a mathematician more famous for asking questions than answering them.

From the time of dinosaurs to mysterious materials, this week’s quiz is a real brain bender. Time to test your knowledge!

How do you make string stand on its end? To find out, read on…

Terri’s just about to leave to go to a party. She’s trying to work out whether to walk or ride her bike. If she walks at a brisk pace of 5 kilometres per hour, she’ll be an hour late. If she rides her bike at 10 kilometres per hour, she’ll be an hour early!

Stephen Hawking was widely regarded as one of the best physicists of our age, so it was a huge loss when he died on 14 March this year. Here are a few things you might not know about one of history’s most celebrated scientists.

How well do you know your own head? This edition of the quick quiz travels from Australia all the way out into space!

When you’re on a bus, corners can push you sideways. But what does it do to a balloon? Grab a balloon and get on board to learn a thing or two about inertia.

You’ve just received a secret coded message: AD, BA, BH, CE, DB, DI, EF You know it follows a pattern, but can you work out what pair of letters come next?

Time keeping machines aren’t always built to last, but some do manage to stand the test of time. The Cronulla Clock Tower houses a clock that’s almost 250 years old, for example; the clock in England’s Salisbury Cathedral is still ticking 630 years after it was built.

Put your thinking caps on, it’s time to test your skills in chemistry, time, space, tech and biology!