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Animals that live in salty water have to control the amount of salt in their bodies, or they will not survive. But how do they do it? This activity will help show you.

By Celia Berrell Cutting through tree trunks from bark to bark, we’ll see lots of circles in light wood and dark.

Imagine you’re a tangle-web spider, and you’ve just snared a nice big critter for dinner. Sounds great, huh? Except there’s a problem. Dinner is 50 times heavier than you, and it’s trying to escape. What’s a spider to do?

Staying home to slow the spread of COVID-19? We’ve got some ideas to help you pass the time, even if you’re stuck indoors. Time to gather up materials from around the house and do some science!

There are plenty of reasons to hate mosquitoes. They are annoying, hard to catch, and their bites can itch for days. But they’re not just irritating – in many places they spread diseases such as malaria, Zika and dengue.

Learn about the different parts of plants, as well as the science of preservation, by making your own pretty potpourri. Safety: Vegetable peelers are sharp. Ask an adult to help.

It was once thought octopuses were not very social animals. They seem to keep to themselves, only meeting to fight or mate. It turns out that’s not always the case. A social octopus should consider moving to Octlantis.

Written by Mike McRae An animal that smells of popcorn sounds more like a creature from a fairy tale than from reality. But the bearcat, found in Southeast Asia, is a real-life fantastic beast known for its unusual popcorn scent. The source of its smell, though, is hardly appetising.

How do you imagine time? Is it a road, with the future fading off into the distance? Or is it an ocean, slowly draining as we spend our precious seconds? Surprisingly, the way you imagine time might affect the way you experience it!

Interview by Nic Gill Double Helix talks to weed hunter and botanist, Laura Williams. Read on to find out about her research on Macquarie Island, a remote subantarctic island fondly referred to as ‘Macca’.