Metallic hydrogen would be the ultimate fuel - if we can make it
1 January 2020
The universe’s most common element could also be its most wondrous. Two different groups of researchers say they've made it - but can either claim withstand scrutiny?
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Premium
For the love of dog: How our canine companions evolved for affection
1 January 2020
It's not just the food, your dog really does love you - and researcher Clive Wynne has done the studies to prove it
Why dogs could hold the secret to longer, healthier human lives
1 January 2020
Our best shot at understanding and even reversing human ageing will come not from studying ourselves, but from 10,000 of our canine companions
Going vegan for January? Find out how much difference it really makes
31 December 2019
Millions of people will try a vegan diet this month for Veganuary. But can short-term or part-time vegans really reap health and environmental benefits? New Scientist put it to the test
