New Scientist
Time loops may not be forbidden by physics after all
Physicists find that causal loops, where two events separated in time influence each other in paradoxical ways, are allowed in many theoretical universes, some of which share features with our own
Categorie: Riviste scientifiche
US will choose encryption tools to protect us from quantum computers
The National Institute of Standards and Technology is about to reveal the next generation of algorithms that will keep our private data safe from snoopers
Categorie: Riviste scientifiche
Snapping shrimps have helmets to ward off shock waves from their claws
Snapping shrimps seem immune to the shock waves their claws produce to kill or stun other animals – and it is all thanks to their head gear
Categorie: Riviste scientifiche
Sophie Howe on how to fight for future generations in politics
As the future generations commissioner for Wales, Sophie Howe’s job is to help guide the government's decisions for the benefit of people yet to be born. She explains how she uses evidence to bring long-term thinking into politics
Categorie: Riviste scientifiche
Fields medal 2022: Work on prime numbers and spheres wins maths prize
Mathematicians who have studied the most efficient way to pack spheres in eight-dimensional space and the spacing of prime numbers are among this year's recipients of the highest award in mathematics, the Fields medal
Categorie: Riviste scientifiche
Stunning solar prominences shine in photography competition
This photograph of solar features called prominences is one of the dazzling cosmic images shortlisted for the Astronomy Photographer of the Year competition, run by the Royal Observatory Greenwich in the UK
Categorie: Riviste scientifiche
Firms pledge to clean up construction with green net-zero concrete
A coalition of 17 companies has pledged to begin buying greener concrete this decade, and work towards buying only net-zero concrete within a few decades
Categorie: Riviste scientifiche
Design work starts on European commercial fusion power station
The EuroFusion consortium hopes its DEMOnstration Power Plant will take fusion power from the lab to commercial electricity supply by 2054
Categorie: Riviste scientifiche
Design work starts on Europe’s first commercial fusion power station
The EuroFusion consortium hopes its DEMOnstration Power Plant will take fusion power from the lab to commercial electricity supply by 2054
Categorie: Riviste scientifiche
'Fair' AI could help redress bias against Black US homebuyers
Pioneering reparations programmes meant to address decades of US housing discrimination against Black homebuyers could get a boost from AI decision making
Categorie: Riviste scientifiche
DeepMind’s AI develops popular policy for distributing public money
DeepMind researchers have trained an AI system to find a popular policy for distributing public funds in an online game – but they also warn against “AI government”
Categorie: Riviste scientifiche
How to understand your inner voice and control your inner critic
Most of us have a voice inside our heads and it can be caring, supportive, negative or critical. Learning to control this internal monologue could help you cope with daily stress
Categorie: Riviste scientifiche
How harnessing your inner voice can help you cope with daily stress
Which inner voice do you have? The "faithful friend", the "proud rival", the "ambivalent parent" or the "helpless child"? Getting to grips with your inner chatter (if you have any at all) could dramatically boost your mental health
Categorie: Riviste scientifiche
Alien earthworms have spread to almost all parts of North America
Invasive worms, considered a major threat to native ecosystems, have been found in 97 per cent of areas for which there are records in North America
Categorie: Riviste scientifiche
Brain electrodes may be a long-lasting aid for severe depression
Electrodes implanted in the brain were known to release impulses that may "normalise" overactive connections within a specific circuit of the organ, but researchers were previously unsure whether the treatment offered long-term relief from severe depression
Categorie: Riviste scientifiche
Newly identified species is the world’s largest known giant water lily
A giant water lily that grows in Bolivia has been confirmed as a distinct species that is the world's largest water lily - now named Victoria boliviana
Categorie: Riviste scientifiche
‘Softer’ form of CRISPR may edit genes more accurately
Gene editing with CRISPR can cause off-target mutations, but this seems to happen less often with an enzyme that cuts one of the strands of DNA instead of both
Categorie: Riviste scientifiche
Dinosaurs’ ability to survive icy cold helped them dominate the planet
Being already adapted to polar climes could have enabled dinosaurs to survive cold winters in the end-Triassic extinction event when most other animals died out
Categorie: Riviste scientifiche
Quantum computer cools itself down by performing calculations
As they warm up, quantum computers can slow down or stop working altogether. A new kind made with specially engineered diamonds cools as it calculates
Categorie: Riviste scientifiche
Reclassification of Earth's minerals reveals 4000 more than we thought
Some scientists suggest minerals should be reorganised by the methods that make them, which would increase the known number of minerals on Earth by 75 per cent
Categorie: Riviste scientifiche