New Scientist

Weird particle soup may have formed stars in the early universe

Pions are particles that usually decay very quickly. But right after the big bang, they could have made stars that last long enough for us to detect now

We may be overdue a massive war, says a statistical analysis

Since the end of the second world war a “long peace” has prevailed around the world, but far from being a new era in history it could just be a statistical fluke

Eating fish as a child seems to protect you from hay fever

Infants who eat fish are less likely to develop hay fever later on, a finding that suggests changing diets have played a role in rising allergy rates

Having children may add 11 years to a woman’s biological age

Having a baby seems to be linked to shorter caps on the ends of a woman’s chromosomes – a sign of ageing that has been linked to disease and a shorter lifespan

Miniature personalised tumours could help you get the best chemo

Growing mini tumours in the lab from a patient’s own cells could help doctors discover the best way to treat each person, homing in on the right drugs to use

Neanderthals made the oldest cave art in the world

We weren’t the only ancient artists – the discovery of 66,700-year-old cave art show our Neanderthal cousins also liked to draw

Why do firms like Uber and Citymapper keep reinventing buses?

Apps want to disrupt public transport by creating “innovative” services that look suspiciously like buses, but real-time data could make for a better ride

Bats spread Ebola because they’ve evolved not to fight viruses

Bats can carry viruses like Ebola and Marburg that are lethal for humans. This may be because, in order to fly, their bodies have given up on fighting such viruses

There’s an alt-right alt-Twitter and it’s filled with hate

An analysis of a social media site called Gab, set up as a champion of free speech, reveals that one in 20 posts uses hateful language

Almost every antidepressant headline you’ll read today is wrong

A review of the evidence on antidepressants has been hailed as the final word on these drugs, but questions remain for people with less severe depression

Cycling in later life makes you less likely to have a bad fall

Riding a bike into your older years means stronger legs, better balance and a lower risk of falls that injure and kill millions of elderly people

Sea urchins can drill holes in solid rock with just their teeth

If a sea urchin can't find a suitable pit to live in, it makes one – even if it has to spend months gnawing away at hard granite

When it comes to climate change, a tantrum is just what we need

We can’t wait for the next generation to solve the problem of climate change but today’s kids can still be a big force for change, says Michael E. Mann

Ancient ‘dark-skinned’ Briton Cheddar Man find may not be true

The headline was that an ancient Briton from 10,000 years ago had dark skin, but the genetics of skin colour are so complex that we can’t be sure

We do not know for sure how dark or light Cheddar Man’s skin was

The headline was that an ancient Briton from 10,000 years ago had dark skin, but the genetics of skin colour are so complex that we can’t be sure

Trigger warnings are taking over universities, but do they work?

Talk of trigger warnings and microaggressions are sweeping through university campuses, but some researchers question whether they have any psychological basis

France wants to have 500 wolves roaming its countryside

The number of wolves in France will be allowed to increase by 40 per cent, as wilderness continues its return to Europe

We can now squeeze a molecule and turn it into one that we want

We can now precisely tweak molecular structures just by squeezing them - a technique that could let us efficiently build custom drug compounds on the cheap

Rock dusting on farms could cool the climate, so let’s try it

Crushed basalt applied to agricultural land could soak up billions of tons of carbon dioxide and boost crops. Let's put it to the test, says Olive Heffernan

Huge underwater landslides and tsunamis may be caused by ooze

Layers of ooze in the seabed may be responsible for submarine “megaslides” that dwarf ordinary landslides and can cause tsunamis