New Scientist

Condividi contenuti New Scientist - Home
New Scientist - Home
Aggiornato: 14 ore 35 min fa

Betelgeuse star dimming puzzle solved by chance with weather satellite

Lu, 30/05/2022 - 18:00
The sudden dimming of Betelgeuse in 2019 has been puzzling astronomers ever since, but now we have nailed down the cause

‘Zombie’ pulsar is spinning slower than should be physically possible

Lu, 30/05/2022 - 18:00
Most pulsars rotate once every couple of seconds, but one pulsar completes a revolution just once every 76 seconds

Adding tomato pigment to solar panels increases their efficiency

Lu, 30/05/2022 - 10:00
Lycopene, which makes fruits and vegetables such as tomatoes red, improves the efficiency of perovskite solar cells

AI beats a thousand of the world's best human crossword solvers

Ve, 27/05/2022 - 22:20
A crossword-solving AI has beaten more than a thousand of the best human solvers at the prestigious American Crossword Puzzle Tournament

Robot that climbs through gut without losing grip could deliver drugs

Ve, 27/05/2022 - 21:00
A robot that uses its spiked feet to cling to the mucus-covered lining of the gut could one day climb through the human body to install monitoring devices or deliver therapies

NASA awards $2 million to advance rainbow-coloured solar sail project

Ve, 27/05/2022 - 19:52
As part of its Innovative Advanced Concepts programme, NASA has given a major award to a team working on solar sails that can move in any direction using ridges that diffract light like prisms do

Scientists made a new kind of molecule bigger than some bacteria

Ve, 27/05/2022 - 19:31
A super-sized atom plus a cold ion have been combined to make a completely new molecule that is 4 micrometres across and makes extremely long molecular bonds

Which US laws have been shown to cut gun violence and mass shootings?

Ve, 27/05/2022 - 19:08
In the aftermath of yet another school shooting, many people in the US are desperate for solutions to the country’s gun violence epidemic. Andrew Morral from the research initiative Gun Policy in America discusses the latest evidence on which interventions work

Gene-replacement therapy is helping children overcome fatal diseases

Ve, 27/05/2022 - 12:11
Replacing faulty genes with healthy ones has enabled several children with rare genetic disorders to have typical life experiences, such as attending school and living with their families

Proteins in human bones near Pompeii survived temperatures of 500°C

Ve, 27/05/2022 - 12:00
Many ancient Romans died when the towns of Pompeii and Herculaneum were buried by hot volcanic ash, but the high temperatures didn’t destroy proteins in their skeletons

Zapping scrap plastic from cars can turn it into recyclable graphene

Gi, 26/05/2022 - 18:10
The average US car now contains hundreds of kilograms of plastic that end up in landfill when the vehicle has outlived its use, but a new process could convert those waste plastics into graphene that can be used to create new car parts

An ancient Roman who died in Pompeii has had their genome sequenced

Gi, 26/05/2022 - 18:00
The ancient town of Pompeii was buried under hot volcanic ash in AD 79, but DNA still survives in the bones of the people who died in the disaster

Brain cancer immunotherapy in mice more effective with drug coating

Gi, 26/05/2022 - 15:34
A nanoparticle coat helps an immunotherapy drug cross the blood-brain barrier in mice so it can target brain tumours more effectively

3D-printed tourniquets could save lives in conflict zones

Gi, 26/05/2022 - 14:35
Blockades and supply issues limit access to life-saving medical devices in war zones. Companies are creating open-source 3D-printed products to fill the gap

Will AI text-to-image generators put illustrators out of a job?

Gi, 26/05/2022 - 14:01
Imagen, from Google, is the latest example of an AI seemingly able to produce high-quality images from a text prompt – but they aren't quite ready to replace human illustrators

Strange gamma ray flashes from lightning storms may have explanation

Gi, 26/05/2022 - 13:35
Flashes of gamma radiation that seem to be produced by lightning storms have puzzled researchers for some time, but now there may be an explanation

7 things to do to avoid dementia even if you have high genetic risk

Me, 25/05/2022 - 23:00
A study of people in the US suggests those at high genetic risk of dementia are less likely to develop the condition if they improve their lives in seven ways

Bricks made of dust from the moon and Mars could make space buildings

Me, 25/05/2022 - 22:31
Baking a mixture of saltwater and materials that mimic dust from the moon or Mars at a high temperature produced sturdy bricks that could be used to build human habitats in space

Firearm suicides are rising in the US despite declining globally

Me, 25/05/2022 - 21:00
In the past three decades, suicides involving guns have steadily dropped around the world. While down overall in the US since 1990, they began to climb in 2006 – coinciding with increased access to firearms

Nuclear power can help us reach net zero, but what is its true cost?

Me, 25/05/2022 - 20:00
Society must balance the pros and cons of nuclear energy and work out the massive issue of who foots the bills when power stations go over budget