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By Krishitha Gopalakrishnan Have you noticed how you always seem to remember where you hid that chocolate bar but that apple you thought you’d packed for school suddenly seems to have disappeared? Don’t worry, it’s in our genes! It turns out that humans are better at recalling where junk food is.

The Bureau of Meteorology is predicting a wet spring and summer for Australia. How can they be confident in these long-term predictions? It’s because they’re not just watching weather as it happens, they’re also looking at what causes the weather.

The Sun is a colossal raging ball of heat. Atoms are fused together in its crushing depths, releasing awesome amounts of energy and spewing gigantic flares from its surface. But for the past few years, the Sun has been calmer than usual.

Around 3500 years ago, the Minoan people lived on the island of Crete. They had a written language, now known as Linear A, which archaeologists cannot decipher. They also had an advanced number system, which experts are finally beginning to crack!

By Mike McRae Double Helix magazine is looking for your questions! Our Microscope column answers the most intriguing science, tech, engineering and maths queries you can throw at us.

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.

Paleontologists learn a lot from looking at bones. Assembling a skeleton can show how a creature moved, where they lived, and even how fast they were.

When you think about a beehive, you might imagine it containing flat combs made of perfect hexagons. Except, that’s not the whole story. There are many different species of bees, and there are lots of ways that bees build their combs.

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.

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.