Blog

How close is close enough? Try this batch of questions and see how close you can get to full marks!

Have you ever wanted to bring your pictures to life? Here’s one neat trick to make a drawing float away, literally!

Terry is inspecting a huge clock. It’s 2:12 and they just finished examining the big hand.

Written by Mike McRae Your pets might like a good scratch, but new research suggests your beloved pot plants might not be so fond of having their fronds fondled.

We’ve got some burning questions to keep your curiosity going. Let’s see how you go! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

Here’s a simple game that can be very tricky to play well. Give it a go, then find out why it’s such a challenge.

Four mathematicians – Annie, Beth, Carol and Donna – have a fun tradition. Every Friday, they order a pizza. But before they can eat, they must each solve a puzzle. There’s one more strange thing about these mathematicians. It takes each of them exactly one minute to eat a slice of pizza.This Friday, Annie was […]

As long as a thumb and with a six-centimetre wingspan, you’d think it would be hard to miss Wallace’s giant bee.

In this quiz we’re looking at animals and plants we’re in danger of losing, and how to protect them. Test your knowledge about endangered species!   Find the answers to many of these questions in Issue 30 of Double Helix magazine. Purchase a copy from the CSIRO Publishing website.  

Here’s a classic activity with a showy twist. Surprise your friends by inverting a water bottle without spilling its contents!