Science + Technology – Articles, Analysis, Comment

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Wild grey seal eating a large Atlantic salmon after first peeling back the skin using its teeth and claws. Robert Harris

Sharp claws helped ancient seals conquer the oceans

Northern seals use strong claws to tear apart large prey and this gives us clues about how the earliest seals likely behaved when they first began feeding in water.
In the field studying the rock association in the Doolena Gap greenstone belt, 30 km north of Marble bar in the Pilbara region of Western Australia. David Murphy

How the Pilbara was formed more than 3 billion years ago

The remote Pilbara region of Western Australian formed many billions of years ago when the Earth was much hotter and the crust softer than it is today.
Isolated pancreas cells stained bright green are shown sitting in the wells of the transport “egg carton”. Aurelien Forget

We’ve made ‘smart egg-cartons’ to transport cells to cure diabetes

Doctors can treat diabetes by transplanting cells from the pancreas of a donor to the patient. But many of the crucial cells die - a better way to store and transport them can help.
Wikipedia depends on the collaborative effort of volunteer writers to add information, bypassing trusted authorities. Shutterstock

What Wikipedia can teach us about blockchain technology

The technology behind blockchain remains a mystery to many, but the it shares many common features with the popular online encyclopedia with which most web users are very familiar.
Retailers have refocussed their attention on location – but not their location, your location. Shutterstock

Location and voice technology are the future of retail

We're not going to stop wandering through shopping centres anytime soon, but mobile, micro-location and voice technologies are set to transform the retail experience.
While some things glow all the time, glow-in-the-dark paint must be ‘told to glow’ - just like a phone needs to be charged or it won’t work. Mai Lam/The Conversation NY-BD-CC

Curious Kids: How does glow in the dark paint work?

You can see glow-in-the dark paint, but if you touch it, it is just as cold as the bedroom wall. So the glowing of the paint is different to the glowing of a light bulb.
Ten-year-old Stanton in the ruins of his home following the earthquake that hit Papua New Guinea in February. EPA/Thomas Nybo/UNICEF

Aftershocks hit Papua New Guinea as it recovers from a remote major earthquake

Fresh earthquakes and aftershocks hit parts of Papua New Guinea following February's deadly quake. It's Australia's slow push north that's part of PNG's seismic activity.
Every time you open an app, click a link, like a post, read an article, hover over an ad, or connect to someone, you are generating data. Shutterstock

How to stop haemorrhaging data on Facebook

If you're concerned about privacy, but you're not ready to #deletefacebook here’s what you can do, step by step, to minimise the amount of data you share.