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Lethal injection contained a chemical never tried before

30 August 2017

Florida conducted an execution last week using the anesthetic chemical etomidate, which has never before been used in a lethal injection


online hate

Online hate victims must speak out if the law is to stop the mob

30 August 2017

In England and Wales, posting online material motivated by hostility or prejudice merits the same sentence as shouting racist abuse, but prosecutions are rare


maths artwork

Our greatest creation: Where maths comes from and what it's for

30 August 2017

Maths helps us comprehend the incredible complexity of the universe, but are we born with the ability to calculate, or did we invent it?


Photos of skinny women affect people’s minds in just 15 minutes

Photos of skinny women affect people’s minds in just 15 minutes

29 August 2017

For the first time, researchers have shown in a randomised trial that looking at pictures of skinny models is enough to change a person’s body ideals


The silhouettes of two people sat talking over a table

It only takes a few gene tweaks to make a human voice

28 August 2017

Our capacity for complex speech might come from tiny tweaks to existing monkey genes that gave us flatter faces and more refined larynxes


A skull fragment showing taruma

Medieval London was the most violent place in England

27 August 2017

A look at skulls from English cemeteries shows that young lower-class males in Medieval London enforced the rule of law with blows to the head


Egg of the Paragonismus westermani fluke

Mummy autopsy reveals earliest known case of liver parasite

25 August 2017

The mummified remains of a man who died in 1642 had a liver infection caught by eating raw shellfish, perhaps in the hope of curing measles


Hand holding wild berries

Eat a seasonal diet and your gut microbes may change in sync

24 August 2017

The types of gut bacteria in Hadza hunter-gatherers vary with the seasons, suggesting that this may also happen in anyone who eats mainly seasonal produce


A bitcoin

AI uses bitcoin trail to find and help sex-trafficking victims

24 August 2017

Thousands of escorts advertise on websites like Backpage, not always by choice. Machine learning can now identify ads posted by traffickers, and locate them


Swimming pool vents and steps resemble eyes and mouth

Monkeys can see faces in inanimate things, just like us

24 August 2017

From Jesus appearing on toast to the man in the moon, we can’t help seeing faces where there are none. Now it turns out monkeys do the same thing


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