Health
Women need a rosy outlook? Then give us reason to be optimistic
Talking up the idea that women need to up their optimism to live longer is patronising in an age of stubborn gender inequality, says Lara Williams
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Health
Synthetic iris could let cameras react to light like our eyes do
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Health
Radio powered by your own sweat hints at future of wearablesÂ
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Health
Would you give one of your kidneys to a stranger?
Features
Earth
Billion-dollar dams are making water shortages, not solving them
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Health
Microdosers say tiny hits of LSD make your work and life better
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Health
How to extinguish the inflammation epidemic
Features
Health
Defibrillator drones could save lives before ambulance arrives
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Health
Nanoparticles that chat back and forth could dispense medication
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Earth
Hot, sleepless nights will get more common with climate change
People in the US stand to lose sleep as the climate warms – and those in hotter countries will be harder hit
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Humans
The brain starts to eat itself after chronic sleep deprivation
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Earth
Unshackled, big auto will keep choking the world on diesel fumes
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Health
Call obesity a disease and food a pathological agent? No thanks
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Health
Human blood stem cells grown in the lab for the first time
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