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We’re counting on you this Double Helix quiz, or perhaps you’re the one counting! Can you calculate what’s needed to get 100% this week? If you’re after more fun science for kids, subscribe to Double Helix magazine!  

Time for an Easter trick! There are lots of eggs around at this time of year, but this one is sure to raise some eyebrows. And when you’re finished, you can get your parents to help you cook your green egg, so you can gross out your entire family!

By Mike McRae This activity uses water and food colouring to explore fluid systems. It’s a good idea to do this activity in a safe place outside, and to wear old clothes while you do it!

Written by Beth Askham How can we predict extreme weather events like the Sydney storm in Australia last week? The wild storm that hit Sydney was the result of a weather system called an east coast low.

Australia’s new Marine National Facility research vessel, Investigator, arrived on Tuesday to its home port of Hobart. The ship will soon take scientists and high-tech equipment to the watery parts of the world; to measure the weather, take samples from the sea floor and study marine life.

Written by Neha Karl Plants are a gift of nature. They provide food to eat, release oxygen into the air we breathe, and make our world a whole lot greener. And soon, they could be a supercharged source of energy! Just as plants grow and develop, so does technology.

A massive storm called Typhoon Haiyan hit the Philippines earlier this month. One of the largest storms ever observed, it has caused widespread destruction in the island nation. Typhoons, cyclones and hurricanes are all different names for the same thing: a particularly violent type of tropical storm. Which name it is given depends on where…

The Intergovernmental Panel on Climate Change (IPCC) has released the first part of its latest report. It might not sound like a big deal – most of us have written a report at some point for school or work. Yet we aren’t talking any old paper.

Welcome to Double Helix magazine’s Q&A section – Microscope. We take a close look at small questions full of big ideas. Q: What is the weight of a rainbow?

Australia’s most powerful supercomputer – Raijin – has been officially launched. Imagine arming the population of Earth with calculators and setting them to work for 20 years. Raijin is so fast it could complete the same number of calculations in one hour!