New Scientist
Mars looks more vivid than ever in new photos from Perseverance rover
NASA’s Perseverance Mars rover is sending back stunning images as it explores an ancient river delta in Jezero crater for signs of life
Categorie: Riviste scientifiche
Emissions from rocket launches could affect Earth's weather systems
Increasing numbers of space launches will put more black carbon high in the atmosphere, where it can trap heat from the sun
Categorie: Riviste scientifiche
Why has a court decided not to grant Happy the elephant personhood?
An animal rights group says that an elephant in the Bronx Zoo in New York is so intelligent she should be granted legal personhood, but a court has now issued a ruling saying otherwise
Categorie: Riviste scientifiche
Google wants to challenge AI with 200 tasks to replace the Turing test
Alan Turing first proposed a test for machine intelligence in 1950, but now researchers at Google and their partners have created a suite of 204 tests to replace it, covering subjects such as mathematics, linguistics and chess
Categorie: Riviste scientifiche
When cats chew catnip it releases mosquito-repelling chemicals
When cats lick and chew catnip or silver vine plants, higher levels of insect-repelling iridoid chemicals are released
Categorie: Riviste scientifiche
Severe covid-19 symptoms linked to more than 1300 genetic variants
Hundreds of genetic variants may influence your risk of becoming severely ill with covid-19, a discovery that could lead to more targeted treatments or even tests that assess a person's likelihood of complications
Categorie: Riviste scientifiche
Moon rocks collected by the Chang’e 5 mission have water in them
China’s Chang’e 5 mission landed on the moon in 2020 and sent back samples of dust and rocks, which have been found to contain water – but not very much of it
Categorie: Riviste scientifiche
Lizard unfurls its face like a flower as a way to scare off predators
The toad-headed agama can unfold colourful skin flaps at the corners of its mouth to produce a vibrant display, but a study suggests this behaviour hasn’t evolved to impress mates – it may actually help to startle predators
Categorie: Riviste scientifiche
UK may go it alone in orbit after Brexit shutout from EU space plans
The UK may invest in its own space plans if Brexit-related issues continue to prevent full involvement in the European Union’s programmes
Categorie: Riviste scientifiche
Bacteria bred for 2000 generations settle long-term evolution mystery
A 2000-generation experiment with bacteria suggests existing variation makes a smaller contribution to evolution than we had thought
Categorie: Riviste scientifiche
More than 1 in 7 people worldwide have had Lyme disease
Lyme disease is becoming increasingly common across the world, with warming temperatures one possible culprit for ticks spreading to new regions
Categorie: Riviste scientifiche
AI finds hidden evidence of ancient human fires 1 million years ago
An AI tool has spotted subtle evidence of changes in flint tools that indicate ancient humans had cooking fires at a 1-million-year-old archaeological site in Israel
Categorie: Riviste scientifiche
Robot can find keys in a bag just by listening as it rummages around
A robotic arm with an attached microphone learned to locate objects in a bag based on the sound they make, including a ring of keys and a bag of crisps
Categorie: Riviste scientifiche
Parts of the brain form a circuit that may fuel smoking addiction
Some smokers lose their cravings after experiencing damage to specific parts of the brain, suggesting these areas form a network that somehow fuels the habit
Categorie: Riviste scientifiche
England food strategy ducks big questions on health and environment
A major policy paper fails to address big health and environmental issues it was supposed to tackle, such as how to enable the diet changes needed to reach net zero
Categorie: Riviste scientifiche
Has Google's LaMDA artificial intelligence really achieved sentience?
Blake Lemoine, an engineer at Google, has claimed that the firm's LaMDA artificial intelligence is sentient, but the expert consensus is that this is not the case
Categorie: Riviste scientifiche
Gaia telescope’s new map of the Milky Way will let us rewind time
The European Space Agency has released a new tranche of data from its Gaia space observatory, and it could help us rewind the path of stars to see the history of the Milky Way
Categorie: Riviste scientifiche
One epigenome-editing injection could cut cholesterol level for years
Tests in mice show that it is possible to switch off a gene in liver cells for at least 220 days, which should lower cholesterol and cut the risk of heart disease
Categorie: Riviste scientifiche
Brains can be hotter than the rest of our bodies, especially in women
Our grey matter can be over 2°C warmer than the rest of our body, with the highest temperatures reached by women’s brains in the second half of the menstrual cycle
Categorie: Riviste scientifiche
Physicists have made a quantum boomerang for the first time
Hundreds of thousands of lithium atoms cooled to near absolute zero exhibit a strange quantum effect a bit like a boomerang
Categorie: Riviste scientifiche