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Right now, there are about 7.8 billion people on Earth, and that number keeps on growing. But could this growth be coming to an end? Experts have made a new prediction that Earth’s population will not reach 10 billion people. And the reasons why are surprisingly positive.

Get in fast to do this quiz! For better or worse, we’re looking at some things that are almost gone.

By Beth Askham and David Shaw Did you know that electricity and magnetism are closely related phenomena? In this activity, you’ll create a magnetic field using electricity and find that this can cause chaos for a compass!

Penguins come in many shapes and sizes, from little penguins all the way up to kings and emperors. But millions of years ago, penguins were even bigger, and studying these gigantic birds can teach us a lot about evolution.

Scientists aim for accuracy, but it’s not always possible to be exactly right. This quiz is all about getting close, and not always close enough! So how close to full marks can you get?

Did you know you can control the speed of a splash? Time to make some speedy waves, before using a neat trick to slow them down.

By Hannah Evans The depths of oceans are mysterious. Since Earth’s surface is covered by over 70% ocean, there is a lot to explore. But during a pandemic, it’s a bad idea to fill a research ship with scientists from around the world. Many research ships have stopped sailing, but not all of them!

There are some giant things lurking in these questions. Some of them are easy to spot, and others are hidden. Can you uncover all the answers?

By Andrea Wild Imagine you’re a scientist working on SARS-CoV-2, the virus causing the disease COVID-19. Your lab is at the Australian Centre for Disease Preparedness (ACDP) in Geelong, Victoria.

Written by Natalie Kikken   To honour World Oceans Day 8 June, get crafty by making your own 3D grey nurse shark.