Three people with paralysis can walk again with nerve-boosting implant
Advances in implants that read signals from the brain and spine are helping people with paralysis to regain the use of their limbs
Riemann hypothesis likely remains unsolved despite claimed proof
Mathematician Michael Atiyah has presented his claimed proof of one of the most famous unsolved problems in maths, but others remain cautiously sceptical
Infinity war: The ongoing battle over the world’s hardest maths proof
The new claims are a blow for the theory – but the ongoing saga of a fiendish 500-page proof could expose fundamental flaws in the way mathematicians work
Stupid AI: How humans can stop machines from falling for visual tricks
Adversarial images that trick computers into seeing what isn’t there are a big problem for AI – but mimicking human perception might provide a fix
A tiny robotic capsule could roam your intestines and suck up mucus
A small robot could travel through your gut and collect mucus in a vacuum bag to help make diagnosing stomach diseases safer and less painful
Famed mathematician claims proof of 160-year-old Riemann hypothesis
Michael Atiyah, a famed UK mathematician, claims that he has a "simple proof" of the Riemann hypothesis, a key unsolved question about the nature of prime numbers
Subliminal messages can make you forget memories without realising
Being told not to remember something makes you less likely to remember it in future – and now a study has found this can happen without you even realising it
Zapping your guts with electricity can help relieve constipation
Passing a gentle electric current through the abdomen encourages bowel movements in people with chronic constipation, a clinical trial has found
Earliest known animal was a half-billion-year-old underwater blob
The weird ‘Ediacaran’ fossils have stumped scientists for decades - now fat molecules found inside some of them confirm they are the most ancient animals we know
Divers are attempting to regrow Great Barrier Reef with electricity
It may be possible to restore damaged parts of the Great Barrier Reef by electrically stimulating coral fragments grown on underwater metal frames