Archivo: The Guardian

Coronavirus hits men harder. Here’s what scientists know about it
The early evidence leaves little doubt that Covid-19 poses a greater risk to men – but are the reasons biological or cultural?

Mystery mud on new volcanic island baffles Nasa scientists
Island sprang up near Tonga three years ago, giving researchers a glimpse of how flora and fauna colonise it

Faecal transplant researchers identify ‘super-pooper’ donors
Study finds stool transplants from some donors are far more effective than others

Everyone is biased, including you: the play designed by neuroscientists
We all cling to beliefs despite the evidence. Immersive theatre experience The Justice Syndicate aims to show why

All aboard the Flat Earth cruise – just don’t tell them about nautical navigation
Flat earthers, who believe the Earth is a large disk, may be shocked to find the ship’s navigation is based on a spherical planet

What makes us? Nature or nurture? The DNA debate comes back to life
An extraordinary new documentary about identical triplets who were separated at birth has reignited the debate over the dominance of DNA in controlling our behaviour and the way we live our lives

The making of an opioid epidemic
When high doses of painkillers led to widespread addiction, it was called one of the biggest mistakes in modern medicine. But this was no accident.

Plant roots evolved at least twice, and step by step
The discover of a unique rooting anatomy from 407m years ago supports theory roots evolved at least twice, and step by step

Huge risk if global warming exceeds 1.5C, warns landmark UN report
Urgent changes needed to cut risk of extreme heat, drought, floods and poverty, says IPCC

Contraceptive pill linked with reduced risk of ovarian cancer
Researchers not sure apparent protective effect extends to progestin only products such as mini pill and implants