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George E Rayment , David J Lyons

Soil Chemical Methods – Australasia describes over 200 laboratory and field chemical tests relevant to Australasia and beyond. The information and methodology provided across 20 chapters is comprehensive, systematic, uniquely coded, …

Bob Cameron

It must be appreciated that no building surface is perfectly flat and that the best that can be expected is the appearance of flatness. Unfortunately, this appearance can easily be destroyed by the effect of glancing light, whether natural …

FIFA

The Australian Soil Fertility Manual is a trusted guide to the safe use and handling of fertilizers. It describes the types of agricultural soils, how they are classified and the interaction of soil, water and nutrients. It also provides …

Roger Martin

To many people, the suggestion that a kangaroo could live up a tree is fantasy. Yet, in the rainforests of Far North Queensland and New Guinea, there are extraordinary kangaroos that do just that. Many aspects of these marsupials' anatomy …

Tracey Gray

Our oceans are amazing! They are filled with wonderful sea creatures and are essential for a healthy planet. But it’s now estimated that there are more pieces of plastic in the ocean than visible stars in the Milky Way. So how can we stop …

George Hangay , Roger de Keyzer

Most Australian stag beetles live secretive lives, spending the majority of their life cycle inside decaying timber or under logs sunken in the soil. Yet these active recyclers of the forest are admired by beetle-loving people worldwide. …

George Currie , John Graham

March 16th, 1966, marked the jubilee of Commonwealth sponsored scientific research in Australia. In 1916 the Commonwealth Government set up an Advisory Council of Science and Industry. This was the culmination of an interest in scientific …

Michael Cermak

Spectacular Snakes of Australia showcases these beautiful creatures which play such an important part in our biodiversity. It portrays most of the species found in Australia, such as tiger snakes, copperheads, brown snakes, death …

Wenfei Tong

Birds are intelligent, sociable creatures that exhibit a wide array of behaviours – from mobbing and mimicking to mating and joint nesting. Why do they behave as they do? Bringing to light the remarkable actions of birds through examples …

Claire Saxby , Alicia Rogerson

You will find me where land meets sea … Saltmarshes are full of energy and life. They provide food and shelter for migratory birds as well as microscopic plants and animals. They also protect our coastlines. Most of all, saltmarshes …

Tim Entwisle

Do trees talk to one another? Can a plant use up the oxygen in a room while you sleep? What is a native plant and what is a weed? Are some plants truly immortal? Through 50 beautifully crafted essays, former director of preeminent …

Time for an explosive new issue of Double Helix! We’ve seen it in the movies; now find out what really happens during explosions in space. Discover the secrets of fireworks, and what gives them their colours. Plus we’ve wracked our …

It’s not just humans who use the internet – new smart devices are being connected every day. Check out our intro to the internet of things. Then, ponder if computers and artificial intelligence can be good or evil. And meet some Australian …

We’re all fired up to bring you this issue of Double Helix! Join us as we discover how scientists predict bushfires. Then take a trip behind the camera as we discover science in slow motion. We’re finding out about all kinds of twisters, …

Brrr! Time to rug up – this issue we’re headed to Antarctica. Join teacher Stuart Gifford as he sails in Antarctic waters. You can also find out which weeds call the subantarctic home. Preparing for a different voyage, Double Helix …

Margo Hayes

Small cattle breeds are manageable to control and care for and perfect for lifestyle blocks and small farms. They can be bred commercially for beef but their docile temperaments and small size also make them especially suitable for hobby …

JD Briggs , JH Leigh

The Rare or Threatened Australian Plants (ROTAP) list and associated coding system was developed and has been maintained by CSIRO since 1979, and lists taxa that are Presumed Extinct, Endangered, Vulnerable, Rare or Poorly Known at the national …

Sandra Severgnini

Bigger is not always better. Sometimes the smallest of creatures can have the biggest impact … even with dung! Explore the fascinating and incredibly important role that tiny dung beetles play in our environment. From pushing dung …

Giles Sparrow , Nik Neves

Look up to the stars and observe the wonders of outer space with this beautifully illustrated, inspirational, and accessible introduction to astronomy. Visit other planets in our solar system, steer a course through the constellations, and …

Packed with fun, exciting and quality articles, Double Helix promotes critical thinking and strengthens literacy skills while sparking an interest in science, technology, engineering and maths. In issue three, join us on …