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29 items in de category Newscientist.com in woensdag
De links 1 t/m 29.
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 World: Newscientist.com: (Laatste update: woensdag 25 januari 2023 15:14:02)
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What happens when sperm and egg donors lose the right to anonymity?
In the UK and New Zealand, people conceived using donated sperm, eggs or embryos who turn 18 this year will be able to learn the identity of their donors – but it is unclear how many will want to
Wed, 25 Jan 2023 12:45:00 +0000
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The covid-19 virus gets into the brain – what does it do there?
We now know that covid-19 can cause neurological symptoms, ranging from brain fog and headaches to strokes. Research is beginning to reveal how this happens and hint at better treatments
Wed, 25 Jan 2023 10:20:11 +0000
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Artificial skin can detect nearby objects without even touching them
A skin crafted from two layers of electrodes around an ion-infused sponge is better at sensing than human skin because it can detect nearby objects and what they are made of
Wed, 25 Jan 2023 10:18:52 +0000
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The outline of people’s bodies can be detected from Wi-Fi signals
Machine learning can analyse how the signals from Wi-Fi transmitters are disrupted by human bodies to reveal what position people are sitting, standing or lying in
Wed, 25 Jan 2023 06:00:43 +0000
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Dogs can tell when you want to give them a treat – even if you don’t
Pet dogs respond more patiently when humans clumsily drop a treat out of reach than when it is intentionally pulled away, suggesting canines can understand human intentions
Wed, 25 Jan 2023 00:01:49 +0000
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Type 2 diabetes linked with an increased risk of dying from cancer
Research suggests that the risk of dying from any type of cancer is 18 per cent higher among people with type 2 diabetes, compared with the general population
Tue, 24 Jan 2023 23:01:48 +0000
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Fake mushroom experiment reveals why some fungi glow in the dark
Why some mushrooms are bioluminescent remains uncertain, but a study using LED lights adds to the evidence they attract insects that help the fungus disperse its spores
Tue, 24 Jan 2023 15:56:27 +0000
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The first ever vaccine against RSV could be approved in 2023
Although usually mild, the respiratory syncytial virus can be fatal among babies and older people. Promising results from trials during pregnancy and in those aged 60 or over suggest that a vaccine may soon be approved
Tue, 24 Jan 2023 14:59:23 +0000
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Rare Antarctic meteorite is one of the largest ever found
Antarctica is the perfect place to go meteorite hunting, as space rocks stand out on the wide fields of ice, and researchers have found a new crop
Tue, 24 Jan 2023 10:18:51 +0000
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Egyptian boy mummy was buried with a ‘second heart’ made of gold
X-rays have been used to digitally unwrap the mummy of a teenage boy dating back about 2300 years, revealing 49 precious protective amulets, including a gold scarab signifying the heart
Tue, 24 Jan 2023 05:15:47 +0000
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Wolves are eating sea otters after depleting an Alaskan island’s deer
After a pack of wolves almost drove the deer on a small Alaskan island extinct, they switched to eating sea otters and other marine creatures
Mon, 23 Jan 2023 20:00:58 +0000
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JWST has seen building blocks of life in a dark, cold cloud in space
The James Webb Space Telescope has observed a frigid cloud of dust and gas where stars are forming, and it found frozen elements that are crucial for the development of life
Mon, 23 Jan 2023 19:38:52 +0000
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Earthquakes suggest Earth's core has started spinning more slowly
Measurements of seismic waves travelling through Earth’s inner core indicate that its rotation may be slowing, switching its direction relative to the rest of the planet’s spin
Mon, 23 Jan 2023 16:00:02 +0000
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Surplus wind energy to heat water for fuel-poor households in Ireland
As renewable energy grows, large amounts of surplus power are going to waste – but a scheme in Ireland has found a way to let people in social housing use energy for free
Mon, 23 Jan 2023 14:33:27 +0000
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Why antidepressants can blunt both negative and positive emotions
People taking an SSRI antidepressant do less well in a task that measures how sensitive we are to rewards
Mon, 23 Jan 2023 01:00:14 +0000
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Largest plane yet tested with hydrogen-powered engine
Aerospace company ZeroAvia successfully tested using a hydrogen-electric engine to power one of the propellors in a 19-seat aircraft
Fri, 20 Jan 2023 21:44:19 +0000
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California storms didn't solve the state's drought and water crisis
After weeks of intense rain and flooding, most of California’s reservoirs are holding more water than usual for this time of year, but groundwater is still not replenished
Fri, 20 Jan 2023 20:57:05 +0000
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Amazing JWST images show a nebula shaped by a multi-star system
The stunning filaments and coils of light that make up the Southern Ring Nebula were shaped by as many as five stars all orbiting one another in a complex dance
Fri, 20 Jan 2023 18:38:04 +0000
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Fabric inspired by camel’s hump could protect firefighters from heat
A fabric made by welding aerogel pockets together with ultrasound mimics the make-up of a camel’s hump to protect against fire as well as letting sweat escape
Fri, 20 Jan 2023 17:15:38 +0000
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Crab deaths on UK coast may be caused by unknown disease, finds report
A scientific committee has ruled out chemical poisoning and algae as explanations for the deaths of crustaceans in north-east England, saying a new disease is the most likely cause
Fri, 20 Jan 2023 16:58:42 +0000
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Milk may have fuelled a growth spurt in ancient Europeans
An analysis of ancient human skeletons finds that an increase in size and weight in some regions coincided with the rise of lactose tolerance
Fri, 20 Jan 2023 15:36:00 +0000
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Google's AI is best yet at answering medical and health questions
Google has built an AI that can answer medical questions. However, it's not as good as a human doctor and the company says it cannot yet perform safely in the real world
Fri, 20 Jan 2023 15:27:50 +0000
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Crocodile-like body armour resists stabbing and cuts
A tough material inspired by the tiled scales of a crocodile could be useful as body armour or for covering equipment to help it last
Fri, 20 Jan 2023 15:03:08 +0000
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Ghost knifefish make electric 'chirps' to spot where other fish are
It has long been thought that the electrical chirps of brown ghost knifefish are for communication, but they might instead help improve electrolocation
Fri, 20 Jan 2023 11:33:45 +0000
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Serve vegan burgers in schools to trigger shift from meat, says report
Researchers urge governments to use public procurement of plant-based proteins to bring about cascading changes that help tackle climate change
Fri, 20 Jan 2023 00:01:01 +0000
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Dolphins spotted swimming in New York City’s Bronx River
Once an industrial waste dumpsite, the Bronx River is now healthy enough to host marine species – including dolphins – that it hasn’t seen in years
Thu, 19 Jan 2023 22:18:04 +0000
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US fentanyl rules are so strict they may prevent life-saving research
As opioid-related deaths continue to rise in the US, researchers are prohibited from studying the very substances that could provide antidotes to overdose, says chemist Gregory Dudley
Thu, 19 Jan 2023 18:45:06 +0000
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Up to 74% of planets in the ‘habitable zone’ may not be good for life
Many planets that have the right temperatures for liquid water on their surfaces used to be too hot or too cold, which may affect their ability to host life now
Thu, 19 Jan 2023 17:36:22 +0000
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We may be entering a bold new era in the treatment of depression
Depression is much more complicated than we thought, but new ideas about its biological causes have already led to promising treatments
Wed, 18 Jan 2023 18:00:00 +0000
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