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drugs and alcohol

blue flame

Physics

Blue whirl that consumes all fuel it encounters is three flames in one

A mysterious blue whirl that burns fuel efficiently is composed of three separate flames – a discovery that could help us generate the whirl for real-world applications

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bricks and LED

Physics

Ordinary bricks laced with conductive fibres can store energy

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Older woman and baby

Health

Menopausal woman gives birth after blood plasma injection in ovaries

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2AT6JKF Fentanyl transdermal 50mcg/hr timed release skin patch and foil wrapper. Credit: MedStockPhotos/Alamy

Health

Fatal cardiac arrests could be hiding opioid overdose deaths in the US

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Forget about blame with miscarriage: its function is entirely natural

Health

Forget about blame with miscarriage: its function is entirely natural

Leader

The real reasons miscarriage exists – and why it's so misunderstood

Health

The real reasons miscarriage exists – and why it's so misunderstood

Features

Perovskite solar cells

Technology

Changing how we make solar panels could reduce their carbon emissions

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whale skeleton

Life

Leonardo da Vinci saw a whale fossil that opened his mind to deep time

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Modafinil - tired woman covering eyes with post it

Definition

Modafinil

How South American drug cartels get around coronavirus lockdowns

Health

How South American drug cartels get around coronavirus lockdowns

National lockdowns and a lack of chemicals due to the covid-19 pandemic have affected the illegal drug trade – but cartels have found workarounds

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Health

How the covid-19 pandemic is making malaria and HIV more deadly

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Life

Dolphins and whales separately evolved the same speedy swimming bones

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Health

Vaginal mesh safety review highlights failures in UK health system

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Definition

Dexamethasone

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