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29 items in de category Newscientist.com in donderdag
De links 1 t/m 29.
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 World: Newscientist.com: (Laatste update: donderdag 12 januari 2023 16:10:16)
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JWST has taken astonishing images of debris orbiting a nearby star
NASA’s James Webb Space Telescope has observed a glowing disc of debris left over from planet formation around a nearby star called AU Microscopii
Wed, 11 Jan 2023 21:07:10 +0000
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The Milky Way seems to be missing nearly half of its regular matter
Measurements of a blast of radio waves passing through our galaxy have shown that the Milky Way's proportion of visible matter is 40 per cent lower than the rest of the universe
Wed, 11 Jan 2023 19:01:57 +0000
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NASA picture is best yet of a permanently shadowed region on the moon
The new ShadowCam instrument has sent its first image back from lunar orbit, showing the inside of an area of the moon that never gets any direct sunlight
Wed, 11 Jan 2023 18:43:24 +0000
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Why we shouldn't attribute human motivations to animals like bees
Anthropomorphising animals such as chimps, dolphins and bees will stifle scientific enquiry instead of encouraging it, says evolutionary biologist Marlene Zuk
Wed, 11 Jan 2023 18:00:00 +0000
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The worst-case climate scenarios are no longer plausible today
Ten years ago, we feared that catastrophic global warming of between 4°C and 5°C by by 2100 was a real risk. Today, that is no longer credible, says Graham Lawton
Wed, 11 Jan 2023 18:00:00 +0000
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Breakaway iceberg raises concerns over Antarctica’s 'doomsday glacier'
A massive iceberg that has been stuck on the seafloor in front of the Thwaites glacier in West Antarctica for two decades and helped protect it is now floating away
Wed, 11 Jan 2023 17:49:55 +0000
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Lizards that survived wildfires are more alert to the sound of flames
Western fence lizards that experience wildfire learn that fire is a major threat, becoming more alert to the sounds of a blaze than to those of avian predators
Wed, 11 Jan 2023 17:36:07 +0000
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Inside an insect farm: Are mealworms a sustainable meat alternative?
The French biotech company Ÿnsect plans to open 15 mealworm factories by 2030. We looked inside their pilot plant to see what the future of food might look like
Wed, 11 Jan 2023 15:38:43 +0000
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Gas stoves harm our health and the climate - should they be banned?
US authorities are reportedly considering a ban on new gas stoves in light of research claiming they are linked to one in eight cases of childhood asthma
Wed, 11 Jan 2023 15:01:13 +0000
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Pancreatic cancer linked to disrupted circadian clocks in cells
Circadian clock genes in almost all our cells follow regular 24-hour patterns, but can be disrupted by irregular sleep patterns and prolonged light exposure. Now these same disruptions have been found in the cells of cancerous pancreatic tissue
Wed, 11 Jan 2023 14:13:23 +0000
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Men predicted to outnumber women in physics until the year 2158
An analysis of nearly 5.5 million scientific papers has found that, on current trends, the proportion of women authoring research won't reach parity with men in some fields for over 100 years
Wed, 11 Jan 2023 10:50:54 +0000
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Male and female gibbons sing duets in time with each other
Lar gibbons call out sounds that are synchronised and occur at regular intervals – a combination of rhythmic qualities that, until now, had only been seen in people
Wed, 11 Jan 2023 00:01:22 +0000
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US government lab is using GPT-3 to analyse research papers
A tool built using the AI behind ChatGPT can help extract information from scientific paper abstracts. It could help researchers identify important information across thousands of articles
Tue, 10 Jan 2023 18:50:38 +0000
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Sloths have double the grip strength of humans and other primates
Dangling from a tree with just a single foot, sloths can exert more gripping force relative to their weight than primates – and they are consistently, but mysteriously, stronger on their left side
Tue, 10 Jan 2023 18:27:27 +0000
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High-tech wood filled with air cavities could insulate your home
Removing polymers from wood, leaving tiny cavities, can drastically improve the material's insulating properties without removing too much of its strength, which might make it useful in buildings
Tue, 10 Jan 2023 18:11:23 +0000
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Short breathing exercise lifts mood more than mindfulness meditation
In a small study, cyclic sighing - inhaling slowly and then taking another short breath in to fully inflate the lungs, before breathing out for as long as possible - was particularly effective at lifting people's moods
Tue, 10 Jan 2023 16:00:06 +0000
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Genetic tracking scheme for viruses could warn of dangerous outbreaks
A new effort to routinely sequence the genes of viruses that cause severe respiratory infections, such as flu and RSV, could lead to better treatments and vaccines
Tue, 10 Jan 2023 16:00:03 +0000
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Climate cooling effect of volcanoes is bigger than we thought
Analysis of sulphate particles in a Greenland ice core suggests we have underestimated the impact of volcanoes, and overestimated the contribution of anthropogenic sources
Tue, 10 Jan 2023 15:19:50 +0000
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JWST finds that ancient galaxies contain fewer stars than we expected
A group of ancient galaxies examined by the James Webb Space Telescope contain an order of magnitude fewer stars than expected and they are strangely dim
Tue, 10 Jan 2023 14:28:36 +0000
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Mental health service used an AI chatbot without telling people first
The free mental health service Koko experimented with using an AI chatbot to help respond to people seeking support. The test has drawn criticism as being unethical and lacking transparency
Tue, 10 Jan 2023 12:02:34 +0000
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Children living near airport found to have raised lead levels in blood
A study of children living near one such airport in US finds those within 1.5 kilometers are at highest risk
Tue, 10 Jan 2023 05:05:59 +0000
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First satellite launch from the UK failed due to an ‘anomaly’
Virgin Orbit’s LauncherOne rocket and a group of nine satellites it was taking to low-Earth orbit may have burned up in the atmosphere as the launch failed
Tue, 10 Jan 2023 00:53:28 +0000
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Urban lizards have gene mutations that help them adapt to city life
Anole lizards living in three cities in Puerto Rico have mutations in genes linked to immune function, limb and skin development, which may help them thrive alongside humans
Mon, 09 Jan 2023 20:00:28 +0000
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Fetal stem cell treatment for multiple sclerosis shows promising signs
People with progressive multiple sclerosis had higher levels of protective molecules in their spinal fluid two years after being injected with stem cells from a fetus. Whether this translates into improved symptoms over time is unclear
Mon, 09 Jan 2023 18:09:32 +0000
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Genetic map of cells linked to endometriosis could improve treatments
Mapping the cells involved in endometriosis could improve our understanding of how genetics influences the risk of the condition and open the door to new drug targets
Mon, 09 Jan 2023 16:14:55 +0000
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First satellite launch from the UK set to go ahead in Cornwall
Cosmic Girl, a modified Boeing 747 plane, is set to carry Virgin Orbit’s LauncherOne rocket and its payload of satellites up into the air so the rocket can release them into orbit
Mon, 09 Jan 2023 13:34:05 +0000
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Some regions of your brain can communicate faster as you age
Signals between some regions of the brain may be fastest at age 34, while transmission in other areas gets steadily faster with age. Understanding this may improve our knowledge of neurodevelopmental conditions such as schizophrenia
Mon, 09 Jan 2023 11:51:26 +0000
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Hackers can trick Wi-Fi devices into draining their own batteries
Wi-Fi devices acknowledge each other, even when not connected to the same network, and hackers can exploit this to drain their batteries
Mon, 09 Jan 2023 09:49:33 +0000
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To confront the climate crisis, we also need a wave of innovation
Cutting emissions remains undeniably important in a warming world, but the role of invention to help avert disaster is also worthy of attention
Wed, 04 Jan 2023 18:00:00 +0000
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