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Say cheese and flash that beautiful smile. You should be proud of those choppers; after all, teeth have been around for nearly half a billion years.

Written by Emma Bastian How do you weigh a dinosaur? It’s a simple question with a very complex answer.

It’s a small molecule, made of oxygen and hydrogen atoms in a V-shape. It’s colourless, odourless and expands when it freezes into a solid. It’s water, and without it, we wouldn’t be here.

These mimic activities are about memory. To do them well, you need to remember exactly what you saw. Your brain makes memories in a few stages. Sensory memory describes what happens when you briefly see an object. It lasts just a split second, however.

The 2012 Nobel Prize in Physiology or Medicine has been jointly awarded to Sir John B. Gurdon and Professor Shinya Yamanaka. They received the award ‘for the discovery that mature cells can be reprogrammed to become pluripotent’. What does that mean?

Create a taste illusion with this fun recipe!

Written by Sarah Kellett Life jackets are often orange to make them easy to spot after an accident. And orange fruit have their own life jackets, all built in!

Bionic vision technology aims to help people who are blind or vision-impaired regain their sense of sight. Like with the cochlear implant, or bionic ear, Australian researchers are again leading the way, this time to develop a bionic eye.

Scientists have announced the discovery of a new species of monkey in central Africa. It’s only the second new species of primate to be discovered on the continent in 28 years.

Written by Sarah Kellett That’s not paint: this is how the rainbow gum, Eucalyptus deglupta, really looks. Sweeping down the trunks of these trees are streaks of red, green and purple.