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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 21 oktober 2021 23:42:28)
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Female African elephants evolved to lose tusks due to ivory poaching
Poaching in Mozambique triggered female elephants in the country to evolve and lose their tusks – but the genetic mutations that cause tusk loss seem to be lethal to male elephants
Thu, 21 Oct 2021 19:00:46 +0000
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Gun violence rose 30 per cent in the US during the covid-19 pandemic
Gun violence rose overall in the US during the covid-19 pandemic. The highest increase was seen in Minnesota, while Alaska had a dip in gun violence cases
Thu, 21 Oct 2021 18:44:26 +0000
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Sperm quality has been declining for 16 years among men in the US
Data from 170,000 semen analyses performed in the US between 2005 and 2021 reveals a worrying decline in sperm quality
Thu, 21 Oct 2021 16:03:24 +0000
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Lab-grown human mini-brains kept alive for a year by slicing them up
Human mini-brains grown in the lab soon die because oxygen and nutrients can’t penetrate to their core, but if they are sliced thinly they survive for a year
Thu, 21 Oct 2021 16:00:59 +0000
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Dinosaurs lived in herds 40 million years earlier than we thought
We thought large plant-eating dinosaurs began to herd about 150 million years ago, but now we know the behaviour goes back at least 193 million years
Thu, 21 Oct 2021 16:00:55 +0000
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How Finland plans to create a circular bioeconomy that runs on wood
Finland wants to make everything from ceramics to medical devices and even satellites from wood, helping it to hit carbon neutrality by 2035
Thu, 21 Oct 2021 12:00:29 +0000
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Covid-19 news: UK's inaction is ‘wilfully negligent’, say doctors
The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic
Thu, 21 Oct 2021 10:58:39 +0000
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Meet the key players and big names at the COP26 climate summit
John Kerry and the Queen are some of the biggest names expected to attend the COP26 climate summit
Thu, 21 Oct 2021 10:00:47 +0000
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Wolf cubs raised by humans become attached to us like puppies
Wolf cubs raised by humans become attached to people like puppies, suggesting ancient wolves could have become attached to Stone Age humans too
Thu, 21 Oct 2021 10:00:28 +0000
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Botox relieves endometriosis cramps when injected into pelvic muscles
Injections of botulinum toxin help to reduce painful cramps associated with endometriosis by weakening muscles in the pelvis to stop them from spasming
Thu, 21 Oct 2021 08:00:06 +0000
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Quick saliva test can reveal cannabis use over the past 12 hours
A sample of saliva placed on a strip and analysed with a smartphone camera can reveal if a person has ingested cannabis in the past 12 hours
Wed, 20 Oct 2021 19:00:26 +0000
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99-million-year-old crab discovered trapped inside amber
A 99-million-year-old crab trapped in amber might show us when the shelled animals moved into freshwater
Wed, 20 Oct 2021 19:00:04 +0000
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Why hope and optimism are crucial for fighting climate change
Doom-filled facts will never be enough to tackle climate change. Here is why hope is more important than ever, writes Katharine Hayhoe
Wed, 20 Oct 2021 18:00:00 +0000
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Should everyone have their own personal carbon budget?
Personal carbon allowances were once deemed to be too far ahead of the curve, but the time may finally be right for a revival, writes Graham Lawton
Wed, 20 Oct 2021 18:00:00 +0000
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Microplastics in the air have a small cooling effect on our climate
Microplastics pollute the air, and now there is evidence that they have a cooling effect on climate – although it is far smaller than the cooling effect of other particulates
Wed, 20 Oct 2021 16:00:58 +0000
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We've found the time and place that horses were first domesticated
The domestication of horses revolutionised transport and warfare, and we finally know when and where it happened
Wed, 20 Oct 2021 16:00:54 +0000
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Watch a wooden knife that is sharper than steel cut through steak
Wood knives sharpened to be three times sharper than steel require less energy to produce than standard tableware
Wed, 20 Oct 2021 16:00:44 +0000
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We now know Vikings were in the Americas exactly 1000 years ago
Ancient wooden artefacts from Newfoundland cut using Viking tools have been dated to AD 1021, telling us that Vikings were in the Americas exactly 1000 years ago
Wed, 20 Oct 2021 16:00:23 +0000
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Will London's expanded Ultra Low Emission Zone cut air pollution?
Clean air zones across Europe, including in London, are really working to cut dangerous air pollutio
Wed, 20 Oct 2021 14:10:00 +0000
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Global fossil fuel extraction plans are double what we can safely burn
Staying under 1.5°C of warming means limiting the amount of fossil fuel we burn, but global extraction plans are already double that limit
Wed, 20 Oct 2021 05:01:34 +0000
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Danish children trap 19,000 ants to study impact of climate change
A citizen science project which saw children and their families trap 19,000 ants has identified how different species are coping with climate change in Denmark
Wed, 20 Oct 2021 00:01:23 +0000
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Domestic cats are driving parasitic infections in wild animals
Toxoplasmosis, a disease caused by a parasite found in cat faeces, is spread from house cats to wild animals living near cities
Wed, 20 Oct 2021 00:01:05 +0000
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UK net zero strategy under fire for failure to show carbon savings
The UK's net zero strategy does not detail any of the anticipated emissions savings that will stem from action on homes, transport, industry and more
Tue, 19 Oct 2021 18:57:27 +0000
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Nearly every person in Iran seems to have had covid-19 at least once
An analysis of covid-19 infections among Iranian people casts further doubt on the idea that herd immunity can be achieved without vaccination
Tue, 19 Oct 2021 17:37:01 +0000
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Impaled turtle reveals new insight on the day the dinosaurs died
A controversial fossil site claimed to preserve a scene of destruction from the day the dinosaurs died seems to show the even happened in spring there and led to a turtle being impaled on a branch
Tue, 19 Oct 2021 17:20:50 +0000
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UK university climate targets strongly criticised for lack of ambition
A group of 140 UK universities says it will cut its carbon emissions by 78 per cent by 2035 and hit net zero by 2050, but critics say these targets don't go far enough, particularly on international travel
Tue, 19 Oct 2021 17:00:19 +0000
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Extinct Japanese wolf is the closest wild relative of dogs yet found
The extinct Japanese wolf is not the direct ancestor of dogs but its DNA shows it is more closely related to those ancestors than any other wolves yet found
Tue, 19 Oct 2021 11:18:38 +0000
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UK plans £5000 grants for heat pumps ahead of gas boiler ban in 2035
Under the UK’s long-delayed Heat and Buildings Strategy, households in England and Wales will be encouraged to shift from gas boilers to heat pumps
Mon, 18 Oct 2021 22:00:35 +0000
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IVF embryos discarded as 'abnormal' can actually become healthy babies
One in four embryos made via IVF contain some seemingly abnormal cells and are typically considered too risky to use, but new research shows they are just as viable
Mon, 18 Oct 2021 14:41:05 +0000
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