By David Shaw, 8 June 2022
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!
Categories:
By David Shaw, 25 May 2022
Every second counts when a big earthquake hits. As soon as an earthquake sensor picks up the tremor, warnings can be sent over the internet, much faster than the shake travels through the Earth. And now, scientists have found a way to detect big earthquakes fast, maybe even before the ground starts to shake!
By David Shaw, 11 May 2022
What on Earth can jump the highest? Olympic high jumpers can clear more than 2 metres. Pumas might be the best animals at jumping, able to leap 7 metres into a tree. But a team of researchers from the USA have just made a robot that jumps higher than any animal!
By David Shaw, 28 April 2022
When people talk about fungi, what do you imagine? Mushrooms and toadstools are instantly recognisable parts, but there are many types of fungi that grow in different ways.
By Fiona Midson, 6 April 2022
There’s a lot of waste in how we make, use and dispose of clothes. CSIRO is looking for ideas to make fibre and materials more sustainable, and build a recycling, environmentally friendly, circular fibre industry.
By David Shaw, 31 March 2022
Instead of biting with poison, boa constrictors wrap themselves around their prey and squeeze them to death. But if a boa constrictor’s squeeze can kill, how does the snake survive the pressure without suffocating themselves?
By David Shaw, 10 March 2022
It might seem like a silly question to ask. After all, it depends on how big the rectangle is, and also the size of the squares you’re packing it with. With a big rectangle and small squares, you could fit a million, a billion or even more. But what if you have infinity squares? Is […]
By Fiona Midson, 3 March 2022
By Jacinta Bowler This image of the Argyre Planitia on Mars really is out of this world! Taken back in February 2021 by the ExoMars Trace Gas Orbiter, it shows Mars’ chaotic terrain of mounds, ripples and huge blue ‘dust devil’ tracks.
By David Shaw, 17 February 2022
By Louise Molloy The crust under your feet – it’s on the move! But we’re not talking about the edge of your toast. This crust is the outer layer of our planet. The Earth’s crust has been on the move for millions, and even billions, of years. There’s an exciting new theory looking at why […]
By David Shaw, 3 February 2022
By Louise Molloy They’re very rare. They’re very fragile. They’re the amazing, fossil bearing rocks found at McGrath’s Flat in central NSW.
12 months, 8 issues
Print & digital subscriptions available.
Sign up to our Double Helix newsletter
Stay in touch with new updates by signing up to our free newsletter
Perfect for ages 8 – 14
Developed by experienced editors
Engaging and motivating
*84% of readers are more interested in science
Engaging students voice