Like what you see? Subscribe today to gain unlimited access to all our subscriber-only content.

Subscribe now

SAKKMESTERKE/SCIENCE PHOTO LIBRARY

Nothing is stronger than quantum connections – and now we know why

The mathematics of graphs has helped reveal a principle that limits the strength of quantum correlations – and explains why physicists have never measured any stronger connections in some post-quantum realm. Read more

Ireland's iconic megalithic tombs may have had an unexpected function

Tombs that are scattered across Ireland may have helped bring ancient societies together for feasting and remembering their ancestors. Read more

Psychedelics may boost mental health by dampening inflammation

Psychedelic drugs like MDMA and psilocybin may help treat depression, anxiety and other mental health conditions by reducing the number of inflammatory cells around the brain. Read more

Adobestock/Shutterstock 

What 7 fiendishly hard puzzles tell us about the nature of mathematics

25 years ago, a $1 million reward was promised to anyone who could solve one of seven incredibly hard maths riddles. With only one of them now solved, what will it take to crack the rest? Read more

Strange microbes give clues to the ancestor of all complex life

The origin of complex eukaryotic cells, of the type found in all plants and animals, is shrouded in mystery. Now, strange microbes from wetlands in China are helping us to understand when they first emerged, and what they were like. Read more

An expert's new book unravels the amazing secrets of the vagus nerve

Kevin Tracey's authoritative look at the vagus nerve and its healing potential is comprehensive and compelling, cutting through the hype. Read more

This week's free premium article

As a registered user you have free access to this subscriber-only article. Simply log in to your account to start reading.

Quantum computers don’t always need more qubits – just add chaos

To create useful randomness in a quantum computer, you could add more quantum bits, but using quantum chaos does the trick too. Read more

Update preferences  |  Help  |  Contact us View in browser This email has been sent to npp3smxw@niepodam.pl.   Unsubscribe from the Weekly newsletter Do not reply directly to this email. If you have an enquiry, please contact us using the relevant contact details listed here. Copyright © New Scientist Ltd