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Polynesians and Native Americans met 800 years ago after epic voyage

Me, 08/07/2020 - 18:00
Some Polynesian people carry genes from Native Americans, which they acquired around AD 1200 – suggesting an epic journey across the Pacific Ocean

The powerhouses inside cells have been gene-edited for the first time

Me, 08/07/2020 - 18:00
Making precise changes to the genomes of mitochondria within our cells could lead to treatments for disorders that can result in muscle weakness or even death in early childhood

Grief over covid-19 deaths may be unusually severe and long-lasting

Me, 08/07/2020 - 17:40
People who lose loved ones to covid-19 may be more at risk of developing prolonged grief disorder because of the unique circumstances surrounding the death

What does gravity weigh? The surprise answer that reshapes reality

Me, 08/07/2020 - 08:00
We long assumed particles carrying the force of gravity couldn't have mass. That's wrong – and it may mean gravity travels at different speeds across the cosmos.

Climate change may push Zika virus into southern and eastern Europe

Me, 08/07/2020 - 02:01
Mosquitoes carrying Zika virus are infectious when temperatures are 19°C or higher – climate change may increase the virus’s range into southern and eastern Europe and the northern US

Vaginal mesh safety review highlights failures in UK health system

Me, 08/07/2020 - 02:01
The UK’s “unresponsive and defensive” healthcare system has failed women who developed life-changing conditions after pelvic mesh surgery, concludes a review into the treatment

Risk of airborne coronavirus spread being underplayed, say researchers

Ma, 07/07/2020 - 19:00
Over 200 scientists have signed a letter calling for the world to recognise the potential for the coronavirus to be transmitted through small airborne droplets, and to take steps to protect against them

Covid-19 news: Everyone should wear face coverings, says Royal Society

Ma, 07/07/2020 - 19:00
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

Why hasn't the UK seen a second wave of the coronavirus?

Ma, 07/07/2020 - 18:08
Scientists have repeatedly warned of a second surge of covid-19 infections as restrictions ease in the UK, but it hasn’t happened – were they wrong or is it still to come?

Europe wants to use hydrogen to slow climate change - will it work?

Ma, 07/07/2020 - 16:42
The European Commission is set to announce a new strategy to turn the universe’s most abundant element into a way for the EU to decarbonise polluting industries and transport

Mysterious Stone Age flint artefacts may be crude sculptures of humans

Ma, 07/07/2020 - 02:01
Hundreds of distinctive flint objects from a Stone Age village in Jordan seem to have been a form of symbolic communication – perhaps even figurines of people

Ultrasound tweezers could help remove kidney stones without surgery

Lu, 06/07/2020 - 22:00
Sound waves can be shaped into tweezers that can drag small objects around inside the body and potentially remove kidney stones

Meat and dairy production emit more nitrogen than Earth can cope with

Lu, 06/07/2020 - 18:00
Scientists have urged people to eat less meat and dairy after finding livestock farming singlehandedly exceeds “planetary boundaries” for nitrogen pollution

Arctic explorers find unusually thin ice as a result of climate change

Lu, 06/07/2020 - 14:56
The biggest ever science expedition to the Arctic found sea ice that was so unusually thin that it could threaten future efforts to study the effects of climate change in the region

Hair sample tests may give women more accurate fertility predictions

Lu, 06/07/2020 - 01:01
Analysing the hormones in blood can help establish how many eggs a woman has left – but the hormones in hair might provide a more accurate picture of fertility

How Cuba and Uruguay are quashing coronavirus as neighbours struggle

Ve, 03/07/2020 - 16:42
The Americas have become the biggest covid-19 hotspot with almost half of all the world's cases, but some countries in the region have found strategies to buck the trend

A sugary diet changes gut bacteria and worsens brain function in rats

Ve, 03/07/2020 - 15:48
Rats fed a sugar syrup early in life develop an unusual gut microbiome that seems to worsen the rodents’ memories by changing the way their brains work

Blackbeard crashed his pirate ship on purpose because it leaked

Ve, 03/07/2020 - 15:30
Queen Anne’s Revenge, the flagship of the notorious pirate Blackbeard, ran aground in 1718 and was abandoned by its crew. A new analysis says this may have been done on purpose

Circles in space made of radio waves are like nothing we've ever seen

Ve, 03/07/2020 - 13:37
Astronomers have discovered four circles of radio waves in space, but have no explanation for their origin. We don't even know how big or far away they are

Eating seaweed can genetically modify the bacteria in our guts

Ve, 03/07/2020 - 12:00
The gut bacteria in some people have acquired genes for digesting seaweed fibres in a transfer from marine bacteria. We don't know what effect this has on health, but it could be harmful