Today on New Scientist


Locked-in people's awareness revealed by rainbow hair

A colourful visualisation of brain signals could offer a quick and easy way to identify people who are conscious but can't move or speak


Can Google Express deliver on same-day shopping?

Google has found another way to reach into our lives with its same-day delivery service. But it needs to harness new technology to make Google Express viable


Poisonous frogs evolve to sing longer and louder

The strong poison and bright warning patterns of the little devil frog mean it can sing shamelessly longer and louder in its efforts to woo a mate


Feedback: Einstein said: I didn't say that

A bee quote for the birds, Albert Einstein's 200 motels, spooky attribution at a distance and more


E-citizens unite: Estonia opens its digital borders

Estonia has invited people to register as e-residents - a step towards a world where a person's identity online matters just as much as their identity offline


Mitochondrial replacement: no need for a rethink

Despite recent claims in New Scientist, there is no evidence mitochondrial replacement is unsafe, says UK government adviser Robin Lovell-Badge


Killer in the brain could help treat Parkinson's

The discovery of a possible trigger for the onset of Parkinson's disease could lead to new treatments for patients who still depend on a 50-year-old drug


We can stop the extinction of nature's 'walking dead'

In a slow-motion apocalypse, half of the animals on the planet are shuffling towards oblivion. But we still have time to swing into action to save them


Saturn's moon Mimas might have its own subsurface sea

Mimas's odd wobbles suggest it could have an exotic, partly liquid interior, making it the smallest in the pantheon of icy moons with hidden seas


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