Plastic waste is a problem – but some solutions are even worse
16 May 2018
Plastics have done wonders for hygiene and human health. We need to fix the waste problem – but don’t throw out the baby with the bath tub
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Premium
Trump’s Iran U-turn could restart the global nuclear arms race
16 May 2018
The US has demonstrated that it cannot be trusted to stick to its word on arms control deals. The result may be a return to the dark days of growing nuclear arsenals
Rich nations restore their own forests but trash those elsewhere
14 May 2018
As countries get richer, they start replanting their forests – but this is not a big environmental gain because they “export” the deforestation to poor countries
Trolley problem tested in real life for first time with mice
11 May 2018
Would you kill someone to save five others? The first lab enactment of this classic thought experiment raises issues for how we programme self-driving cars
Stem cells may reveal how Neanderthal DNA works in modern humans
11 May 2018
Many of us carry DNA inherited from Neanderthals, but we can’t be sure how it affects us. Stem cells with Neanderthal DNA could tell us
Eye scanner can tell if you've mastered a foreign language
10 May 2018
By monitoring unconscious eye movements while reading, an algorithm can predict the proficiency of someone learning English as a second language
Napoleon Complex: Are smaller men really more aggressive?
10 May 2018
A study investigating short-man syndrome suggests that smaller men may behave more aggressively than others, providing there are no likely repercussions
