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91av. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

SWITZERLAND. St Moritz. 2003.

Health

Should you really wear sunscreen all year round, even in winter?

We are often told to wear SPF throughout the year – but the science behind this advice is nuanced. The truth may depend on where you live

Features

Close up color image depicting freshly cooked take away vegetarian vegan food.

Health

What should we eat to give us better, healthier skin

Features

Microneedling demonstration by Dr. Jimmy Poon where a number of local Estheticans were introduced to the procedure that some see as unsafe.Dr Poon uses the Microneedle roller on the face of Esthetician Karen Clarke.(October 30 11)RICK EGLINTON/TORONTO STAR. (Photo by Rick Eglinton/Toronto Star via Getty Images)

Health

What the evidence says about the consequences of cosmetic tweakments

Features

DARMSTADT, GERMANY - MARCH 19: A student sits the English school leaving examination (Abitur) at the Berthold Brecht School on March 19, 2020 in Darmstadt, Germany. It is the first day of the university-entrance diploma exams in Hesse. Due to the coronavirus outbreak, all schools in Germany are closed, however, it has been decided that the Abitur should take place with the necessary safety precautions in place. Everyday life in Germany has become fundamentally altered as authorities tighten measures to stem the spread of the coronavirus (COVID-19). (Photo by Thomas Lohnes/Getty Images)

Health

How your mental state and stress levels influence your skin

Features

A customer walks down a skincare aisle at an Ulta Beauty Inc. store in New York, U.S., on Thursday, May 31, 2018. Ulta reported late Thursday??that its comparable sales rose 8.1 percent in the first quarter from??a year earlier. The increase was driven by all the right things: A booming 48 percent increase in digital sales,??as well as 5.1 percent growth in transactions and a 3 percent increase in average ticket. Photographer: Gabby Jones/Bloomberg via Getty Images

Health

The only four skincare ingredients that have been proven to work

Features

Humans

Ancient hominin Lucy was a lousy runner, simulations show

News

Humans

Ancient genomes reveal when modern humans and Neanderthals interbred

News

Humans

Game-changing archaeology from the past 5 years – and what’s to come

News

Comparison between fossil footprints thought to be from Homo erectus and Paranthropus boisei

Humans

Ancient footprints show how early human species lived side by side

News

Humans

How we misunderstood what the Lucy fossil reveals about ancient humans

It has been 50 years since archaeologists discovered Lucy, perhaps the most famous ancient hominin ever found. But the scientists who have studied her say that this fossil gave us a misleading image of the nature of her species

News

Technology

People prefer AI-generated poems to Shakespeare and Dickinson

News

Humans

Before the Stone Age: Were the first tools made from plants not rocks?

Features

Humans

How the evolution of citrus is inextricably linked with our own

News

Humans

The fascinating truth about why common sense isn't really that common

Features