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An artist’s impression of Kepler-22b, a planet known to comfortably circle in the habitable zone of a sun-like star. It is the first planet that NASA’s Kepler mission has confirmed to orbit in a star’s habitable zone - the region around a star where liquid water, a requirement for life on Earth, could persist. NASA/Ames/JPL-Caltech

Curious Kids: why has nobody found any life outside of Earth?

Life could exist in another solar system in a different part our galaxy. Or in another galaxy far away. We don’t have the perfect technology yet to study such far away places but we’re still trying.
To serve at your best, you have to throw your racket in a way that projects the ball at a high speed – but add some spin. It’s simple physics. from www.shutterstock.com

Fast serves don’t make sense – unless you factor in physics

The speeds at which top players deliver tennis serves are theoretically impossible. So how do they do it? The answer involves Isaac Newton, ping pong and a little bit of ‘cheating’.
Are you exhausted? Your immune cells might be too. from www.shutterstock.com

Five life lessons from your immune system

The cornerstone of our adaptive immune system is the ability to remember the various infections we have encountered. Quite literally, if it doesn’t kill you, it makes your immune system stronger.
The Port Arthur historic site is beautiful today – but its isolation would have been overwhelming for former convict inhabitants. Port Arthur Historic Site

Why archaeology is so much more than just digging

Without due process, archeological digs turn into into expensive and directionless treasure hunts from which little research value can be extracted.
The 2018 Geminids meteor shower recorded over two very cold hours on the slope of Mount Lütispitz, Switzerland. Flickr/Lukas Schlagenhauf

Look up! Your guide to some of the best meteor showers for 2019

Moonlight will spoil some of the big meteor showers this year, but still plenty of others to see. So here’s your guide on when and where to look to catch nature’s fireworks.
Mountains keep growing and growing and growing for many millions of years until they are so heavy that they can no longer grow taller, only wider. Photo by Jeff Finley on Unsplash

Curious Kids: how do mountains form?

When I was little, geologists worked out Earth’s surface was made of pieces, like a giant puzzle. Those pieces, called “tectonic plates”, move and bump into each other and mountains form.
Indigenous Australians must be involved in research around provenance and country. Here, representatives of the Willandra Aboriginal Elders visit the Griffith University ancient DNA laboratory. Renee Chapman

DNA from ancient Aboriginal Australian remains enables their return to Country

Museums around the world hold remains of Aboriginal people that were often taken without permission and in the absence of accurate records. New DNA methods may help return these items to country.
From the largest whales to the smallest plankton and microscopic life, we’re all tightly connected to planet Earth. Vivek Kumar/unsplash

Unpacking the history of how Earth feeds life, and life changes Earth

Although often separated as two unique subjects in science, geology and biology have been intricately intertwined since life on Earth first evolved billions of years ago.
The issues surrounding the use of genetic data are complex. image created by James Hereward and Caitlin Curtis

Dramatic advances in forensics expose the need for genetic data legislation

Police have powerful new genetic tools. How are we going to regulate their use? A Genetic Data Protection Act is one solution to ensure confidence in the way DNA is accessed and used.