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This quiz explores science’s softer side. Will your score leave you feeling warm and fuzzy?

Difficulty: Fun A fast passenger train leaves Sydney Central station, headed for Broken Hill. At the same time, a slow freight train, moving at only half the speed of the passenger train, leaves Broken Hill station, headed for Sydney Central. When they meet, which train is closer to Sydney?

It sounds like a perfect way to make money – scientists from The Australian National University (ANU) are now selling random numbers over the internet! But before you start your own business writing whatever number pops into your head, there’s something special about these numbers.

Here’s a chance to create your own automatic fishing machine inspired by Aboriginal engineering. Automatic fishing machines were, and may still be, used by Aboriginal people to catch fish in shallow waters. This activity is based on a fishing machine invented by Aboriginal engineers and used near the Murray River.

How many 1s does it take to write out the number eleven thousand, eleven hundred and eleven?

We had our eyes on the skies as we wrote this quiz. Can you reach for the stars or are you coming back down to Earth?

Have you ever wanted to know how experts identify fingerprints? This quick activity will make your fingerprints giant, to make clues easy to spot!

Forget blue whales, redwood trees and aspen groves. There’s a new biggest organism in town. It’s a huge patch of seagrass, the size of about 20,000 rugby fields. And it’s been hiding in plain sight in Shark Bay, at the western tip of Western Australia!

A farmer goes to the local mill to get some wheat ground into flour. The miller doesn’t ask for money – instead, they take one tenth of the wheat as payment. If the farmer wants 100 kilograms (kg) of flour at the end, how much wheat should they bring?

The imaginary worlds of superheroes often rely on real-world science. Can you pick fact from fiction in our superhero science quiz?