Subscribe now
Cross section of the skull (top) and outer layer of the brain, showing the subarachnoid lymphatic-like membrane in green

We've just discovered a new part of the brain's waste disposal system

5 January 2023

A thin layer of tissue called the subarachnoid lymphatic-like membrane, or SLYM, keeps fresh cerebrospinal fluid separate from fluid containing waste from brain cells


FEATURE CROP ONLY Galileos watercolours of the moon 'By courtesy of the Ministry of Cultural Heritage and Activities (MiBACT), Central National Library of Florence, Ban of Reproduction

Scientific illustrations illuminate work by Galileo, Einstein and more

24 August 2022

Taken from Anna EscardÓ's book Science Illustration: A history of visual knowledge from the 15th century to today, these images range from Galileo's watercolours to a sketch from Einstein's notebook


Chewing gum

Chewing can increase your body's energy use by up to 15 per cent

17 August 2022

Researchers used a plastic dome placed over people's heads to measure how much energy they expended chewing gum versus sitting idly. They found chewing gum uses a significant amount of energy


ANKARA, TURKEY - MARCH 31 : A worker uses a metal cutter on a rail on Ankaray subway line during night shift in Ankara, Turkey on March 31, 2018. Long rapid transit line of the Ankara Metro system has been operating for 23 years. Ankaray operates approximately 180 runs on daily basis, with 11 cars. Length of the transit line reaches about 9 kilometers. Night shift workers compete against time while cutting old rails and replacing them with the new ones until the first run in the morning. (Photo by Mustafa Kamaci/Anadolu Agency/Getty Images)

Night-shift workers who eat only in the day may cut diabetes risk

3 December 2021

People who work overnight are more likely to develop type 2 diabetes, but the risk may be reduced by eating only between 7am and 7pm


A top (dorsal) view of a day 16-19 human embryo

Donated embryo offers rare glimpse of development after implantation

17 November 2021

We know little about human development just after implantation, but an embryo donated by one individual offers a rare look at the process


photographic memory

Did you know? Fewer than 100 people have a photographic memory

25 May 2021

True photographic memory is yet to be proved but some people have a very rare condition which allows them to recall past events in detail


alcohol

Alcohol

19 May 2021

The word alcohol usually refers to the chemical we call ethanol that humans have consumed as part of food and beverages for at least 9000 years


Why do we yawn?

Why do we yawn?

22 April 2021

Many animals yawn but we are not entirely sure why


Your leg muscles automatically act to stop you falling when you trip

Your leg muscles automatically act to stop you falling when you trip

17 March 2021

When you miss a step on the stairs and your foot drops further than expected, muscles that usually contract at opposing times work together to help keep you balanced


Old books bound in human skin make for spooky Halloween reading

Old books bound in human skin make for spooky Halloween reading

28 October 2020

Why did a dying 19th-century robber want his skin to become a book cover? This Halloween, Anatomica and Dark Archives reveal our changing relationship with the body


Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop