91色情片

Comment

Stay informed with commentary and opinion pieces on the latest issues in science, technology, health and the environment, written by expert New Scientist journalists and world-leading researchers and thinkers.

91色情片

Peptides are the latest wellness trend 鈥� but do they work?

A drug advisory committee in the US has recommended approval for several experimental peptides. But there have been no large-scale tests of these new compounds in humans, finds columnist Grace Wade

Comment

Environment

Getting a bit more gas from the North Sea doesn’t matter climate-wise

Comment

Mind

How ultra-processed foods may damage your long-term brain health

Comment

Environment

Earth is heating up faster than at any time in its history

Comment

91色情片

There are only a few anti-ageing supplements that actually work

Comment
Dr Becky Smethurst in front of a milky way reconstruction
Space

We still don’t know how black holes get so big | Becky Smethurst

Video

Technology

The ancient Silk Road city that has a lesson for Silicon Valley

Comment

Comment

Everything from cells to stars to particles exists on the edge of chaos

Comment

Mind

Using AI for creative pursuits? Moderation is key

Comment
Spectators shield themselves from the heat with a leaflet ahead of the 2026 World Cup football tournament round of 16 match between Paraguay and France at Philadelphia Stadium in Philadelphia on July 4, 2026. (Photo by MAURO PIMENTEL / AFP via Getty Images)

Environment

It is vital we understand heat and humidity’s differing effects on us

The impact of high humidity on top of high temperatures is often underappreciated, but most of us aren't prepared for such extreme conditions, which will become more common with global warming

Comment

Physics

Do we owe our existence to weird 鈥榲irtual鈥� particles?

Comment

Humans

How humans evolved to be twice as big as our ancestors

Comment

Mathematics

The sneaky maths trick for solving problems without answering them

Comment

Physics

Does time come from the entire universe running computations?

Comment