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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.
Some things are just tricky to measure. Flickr/Patty O'Hearn Kickham

It’s not so easy to gain the true measure of things

How useful is the information you get from the measure of any thing? That depends on what you chose measure in the first place, and that’s not always clear.
Comet 46P/Wirtanen captured on November 15 this year using the remote iTelescope (Siding Springs Observatory, Australia). Flickr/Victor R Ruiz

We have a Christmas comet: how to spot 2018’s interplanetary bauble

The comet 46P/Wirtanen is just 1.2km in size but it should be visible in the night sky this Saturday as it makes a close approach to Earth this year. And don’t forget the Geminids meteor shower.