Is positive thinking the way to save the planet?
11 October 2017
Move over doom and gloom, there is a new environmental movement in town. Earth optimists say focusing on small successes is the way forward
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Premium
The next supercontinent: Four ways Earth could reshape itself
11 October 2017
Plate tectonics is a slow-grind drama with some dramatic plot twists – these scenarios show how Earth might look in 250 million AD
The stock market is run by wild robots we don't fully control
11 October 2017
Most stock market trades are made by algorithms, not humans, and they've already caused crashes. We need to understand their group behaviour to avoid disaster
Wake-up call: How a lack of sleep can cause Alzheimer’s
11 October 2017
Even a single night of poor sleep can cause changes in the brain implicated in Alzheimer’s. Are you getting enough shut-eye, asks sleep scientist Matthew Walker
Human hearts kept 'asleep' in a box can survive outside the body
10 October 2017
A new way of storing hearts outside the body for a day or more could bring an end to people dying while awaiting an organ for a heart transplant
Exploding stars could have kick-started our ancestors’ evolution
9 October 2017
The savannahs early hominins occupied might have appeared thanks to a spate of wildfires 8 million years ago – which might in turn be linked to a nearby supernova
