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Cosmos Magazine has partnered with Double Helix to publish a free eBook that takes kids aged 8 to 12 on a dive into the science of our oceans. The eBook includes stories about turtles, wonky holes and undersea cables, as well as experiments to do at home.

Extra! Extra! Read all about Double Helix Extra’s most eye-grabbing headlines from 2023:

Lots of animals love to sunbathe for extra warmth. Scientists from La Trobe University have now discovered that freshwater turtles like “moon-bathing” too.

By Natalie Kikken Did you know that nails grow on a turtle’s flippers? At Ningaloo Reef, Western Australia, turtle nail clippings are providing new and exciting insights. CSIRO scientists can work out what turtles eat by analysing the chemicals in these nail samples.

Written by Neha Karl When waste isn’t disposed of carefully, it can find its way into rivers and oceans. This human made litter can be very harmful for marine animals, including sea turtles. There are seven threatened species of marine turtle and we have six of them here in Australia.