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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Technology

Inside the gigafactory producing the greenest batteries in the world

Northvolt says that its massive factory in Sweden will soon produce enough batteries each year to power a million electric cars, with a much smaller carbon footprint than those made in China

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Health

Fasting diets are not better than calorie counting for weight loss

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Life

Dolphins ‘talk’ to their young in a higher pitch, just like humans do

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megalodon

Life

Megalodon may have been warm-blooded unlike most other sharks

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Neuronal network with electrical activity of neuron cells 3D rendering illustration. Neuroscience, neurology, nervous system and impulse, brain activity, microbiology concepts. Artist vision.

Mind

How does consciousness arise? A 25-year-old bet has now been decided

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Health

Eating at night could boost your muscles and help you run for longer

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The river Teifi at Cenarth falls, Wales
Environment

Welsh wetland under ecological threat from upstream river pollutants

Video

Health

How new fetal therapies are treating genetic conditions in the womb

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An artist impression of the Euclid space telescope

Space

Euclid space telescope is about to launch to probe the dark cosmos

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Greg Rouse, Scripps Oceanography The Osedax body is visible inside the root of the tooth on the left and the piece emerging from the lower left is the gelatinous tube of the Osedax worm. The worm can retract inside when disturbed so we can see it properly in the picture.

Life

Zombie worms devour shark teeth that fall to the ocean floor

Deep-sea Osedax worms, known to consume whale bones and the remains of bony fish, also feed on shark teeth after the predators die

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Health

Dr Semmelweis: Interview with creative team behind Mark Rylance play

Video

Technology

Eyeball reflections can reveal a 3D model of what you are looking at

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Earth

There’s a gravity ‘hole’ in the Indian Ocean and now we may know why

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Space

Distant comet cracks into two halves after being heated by the sun

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