One theory is that the drug is named after the scaly green skin it can cause among those who use it.
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A chemist explains what it is, how it’s made – and its devastating consequences.
Sangalaki Island, Indonesia.
The Coral Reef Image Bank image provide by Simon Pierce.
Coral reefs are in trouble, but other marine species are also feeling the strain but are off the conservation radar.
jonathan kho/unsplash
Open gates, good food and communal living make for a very different approach to incarceration.
Feeling secure?
Tania Kolinko/Shutterstock
Knowing what your attachment style is can help you navigate life’s ups and downs a bit better.
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As billions more devices connect to the cloud, congestion will cause communication to become slower and less responsive.
Jamal Khashoggi: worrying times for dissidents everywhere.
EPA Images
Khashoggi’s ruthless killing is just one example of a broader trend including the widespread detention, kidnapping, murder and extradition of dissidents and their relatives.
TY Lim/Shutterstock
Is tonsillectomy modern-day bloodletting?
Banks needs to account for Brexit spending.
PA/Stefan Rousseau
What case law tells us about the validity of votes when things weren’t all they seemed.
Glenn R. Specht-grs photo/Shutterstock
Experiments into the effectiveness of conservation can help us learn what works best.
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Eating meat damages the environment and has been linked with higher risk of disease, but you don’t have to go vegan to make a difference to your health and the planet.
Image courtesy of IWM
It’s beautiful, clever and moving. But Peter Jackson’s use of colour and added sound essentially fictionalises this account of life in the trenches.
Diego G Diaz / Shutterstock.com
The success of the women’s movement shows the importance of international solidarity.
Stas Knop/Shutterstock
Stressful events can permanently damage your heart and increase your risk of death. Scientists have been discovering more about it.
Benedix/Shutterstock
The Bank of England wants a scientist for the new £50 note.
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Genetic research on human behaviour has long been linked with eugenics and continues to attract interest from far-right groups.
CMS detector.
Laura Gilchrist/Flickr
Scientists at Cern’s Large Hadron Collider have seen something that may force us to abandon everything we thought we knew about the world on the level of particles.
Dan Jarvis, Mayor of Sheffield City Region Combined Authority.
Danny Lawson/PA Images.
Westminster holds its power tight, but that could be bad news for cities and regions.
Mavermick/Shutterstock
The UN’s special rapporteur on extreme poverty and human rights will look at the effects of austerity on the UK’s most vulnerable.
David Lloyd George gives a speech at Criccieth, north Wales, in 1914.
PA/PA Archive/PA Images
100 years ago David Lloyd George was the name on everyone’s lips – so why has he largely been forgotten?
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When the US president speaks, people listen. Trump must be held accountable for what he says.
Wilfred Owen was killed in action on November 4, 1918.
Frontispiece from Poems of Wilfred Owen (1920)
Dead at 25, a week before World War I ended, Owen summed up the conflict’s waste and futility.
Google employees protest outside the Googleplex HQ in Mountain View, California.
EPA-EFE/John G. Mabanglo
At a time when discussions about tech companies revolve around algorithms making automated decisions, the walkout gives Google a thousand human faces.
Wavebreak Media/Shutterstock
Commentators always like to imagine what players could have done better – we’re using AI to prove it.
My office beats any boardroom.
Simon Dawson/PA Wire
The government may find it hard to distance itself from companies that engage in questionable practices abroad.
Mary Anning painting.
Fossil hunter Mary Anning didn’t get the recognition she deserved during her lifetime. Now her home town wants to raise a statue in her honour.