New Scientist International Edition

New Scientist covers the latest developments in science and technology that will impact your world. New Scientist employs and commissions the best writers in their fields from all over the world. Our editorial team provide cutting-edge news, award-winning features and reports, written in concise and clear language that puts discoveries and advances in the context of everyday life today and in the future.

Animal wrongs • Efforts to reduce animal testing mean the case for animal research must be restated

Special Report • Mathematicians now have a formidable tool for breaking open challenging problems, but working out how best to use it isn't going to be easy

News • The brain flushes out waste products while we sleep, and now it seems that certain sounds might enhance the process, finds Carissa Wong

An AI experiment • After months covering the rise of AI mathematics, Matthew Sparkes decided to put a free chatbot to the test – and was stunned at the speed at which it solved an outstanding problem

The small things • Research shows that short practices of mindfulness are as good as, if not better than, long ones. David Robson takes a look at how we can incorporate these microhabits into our daily lives

Cosmic mirror • It is only natural to view the cosmos through the lens of humanity – but we can be in awe of the universe without inserting ourselves as a main character, says Chanda Prescod-Weinstein

Aperture

Book of the week • In an impressively broad new book, Carlo Rovelli shares how he sees physics shaping our world.

Culture • In a near-future Los Angeles just out of curfew, two women attend a party that gets stranger by the minute. Welcome to the parallel universes of Station Eleven author Emily St. John Mandel’s latest, says sci-fi columnist Emily H. Wilson

Your letters

Time’s extra dimension • We have long thought that time had only one dimension, but what if we were wrong, asks Miriam Frankel

Can we ever end animal testing? • Better ways of screening drugs could soon lead to thousands fewer animal tests, finds David Adam

Interview • The wellness boom has brought a wide array of consumer products that promise to boost your health and happiness. Doctor and presenter Xand van Tulleken tells Grace Wade the three trends to be most wary of, and why

Ever-more distant cousins • As we find older and older fossils of ancient hominins, the timing of our split from chimps is being pushed further and further back, finds Michael Marshall

Almost the last word

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