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Vikings beat Columbus across the Atlantic by 470 years. Astrophysics and tree rings helped scientists nail down the timeline.
Vikings beat Columbus across the Atlantic by 470 years. Astrophysics and tree rings helped scientists nail down the timeline.

Thanks to tree-ring dating and astrophysics, scientists have pinpointed the precise year the Vikings inhabited Newfoundland.

All the differences between COVID-19 vaccines, summarized in a simple table
All the differences between COVID-19 vaccines, summarized in a simple table

This table shows the important differences between COVID-19 vaccines from Pfizer-BioNTech, Moderna, Johnson & Johnson, and AstraZeneca.

Here
Here's how climate change is hurting your health

"There is no safe global temperature rise from a health perspective," a new report says, "and additional warming will affect every U.S. region."

James Balog
James Balog's photos chronicle climate change - "The Takeout"

On "The Takeout" podcast this week, nature photographer James Balog confronts climate skeptics with his photographic evidence of climate change.

Amid air quality concerns, districts embrace electric buses
Amid air quality concerns, districts embrace electric buses

For several years, the Miami-Dade County Pubic Schools had toyed with replacing some of its 1,000 diesel buses with cleaner electric vehicles. Two years on,...

La Niña expected to bring warmer-than-average winter to parts of U.S.
La Niña expected to bring warmer-than-average winter to parts of U.S.

This winter may be warmer and drier than usual for some parts of the U.S., the NOAA said.

Contrails: How tweaking flight plans can help the climate
Contrails: How tweaking flight plans can help the climate

Why experts say cutting contrails costs less than $1bn a year but may be worth so much more.

Number of poor Asian Americans in N.Y.C. area up 15 percent in 10 years, study says
Number of poor Asian Americans in N.Y.C. area up 15 percent in 10 years, study says

Asian American poverty in the new york metro area

Why no tusks? Poaching tips scales of elephant evolution
Why no tusks? Poaching tips scales of elephant evolution

A hefty set of tusks is usually an advantage for elephants, allowing them to dig for water, strip bark for food and joust with other elephants. Now...

Female African elephants evolved toward being tuskless over just a few decades as poachers sought ivory
Female African elephants evolved toward being tuskless over just a few decades as poachers sought ivory

During the civil war in Mozambique, armies hunted African elephants for ivory. That poaching led to an uptick in the number of tuskless animals born.

China brought the first moon rocks back to Earth in 45 years. They hint at mysterious volcanic eruptions.
China brought the first moon rocks back to Earth in 45 years. They hint at mysterious volcanic eruptions.

China brought the first moon samples to Earth since 1976. They're lava remnants from a mysterious volcanic eruption 2 billion years ago.

How the
How the 'Dune' science-fiction saga parallels the real science of Oregon's dunes

The deserts of Abu Dhabi and Jordan play starring roles in the blockbuster sci-fi movie "Dune," which premieres this week in theaters and on HBO Max - but...

There
There's an ideal window to get your flu shot for the best protection: late October or the first week of November

Your flu shot becomes less effective month over month after you get it, and flu cases usually peak between December and March.

Orion: Nasa
Orion: Nasa's Moon-ship is attached to SLS megarocket

Nasa's next-generation spaceship is attached to the rocket that will launch it to the Moon.

How
How 'mix and match' COVID-19 booster shots work, and why we're using them

The FDA has approved mix-and-match boosters, allowing fully vaccinated people to get an extra dose of a different COVID-19 vaccine. Here's why.

Vikings landed in North America 471 years before Columbus
Vikings landed in North America 471 years before Columbus

A solar storm and chopped wood proved that Vikings were present in Newfoundland, Canada in 1021 AD.

Prolonged grief disorder recognized as official diagnosis. Here
Prolonged grief disorder recognized as official diagnosis. Here's what to know about chronic mourning.

With the United States surpassing 727,000 deaths from covid-19, the disease caused by the coronavirus, millions have been left grieving the losses of their...

South Korea has partial success with 1st launch into the space race
South Korea has partial success with 1st launch into the space race

The country successfully launched a home-grown rocket for the 1st time, but the payload, a dummy satellite, failed to make it into orbit.

Pfizer says its booster shot has 95.6% efficacy against COVID-19 amid the Delta variant
Pfizer says its booster shot has 95.6% efficacy against COVID-19 amid the Delta variant

The results came from Pfizer's late stage COVID-19 booster trial. The results haven't yet been formally published or scrutinized by other experts.

Extreme heat is scorching fast-growing cities and it could be deadly, study finds
Extreme heat is scorching fast-growing cities and it could be deadly, study finds

The risk of extreme heat is a rising threat to fast-growing cities around the world.

The amount of coastal water that can harbor harmful Vibrio bacteria has spiked 56%. One species is flesh-eating.
The amount of coastal water that can harbor harmful Vibrio bacteria has spiked 56%. One species is flesh-eating.

There's been a 56% increase in the coastal waters where bacteria that can cause severe infections thrive, according to a new report.

Inaction on climate change imperils millions of lives, doctors say
Inaction on climate change imperils millions of lives, doctors say

Climate change is set to become the "defining narrative of human health," a top medical journal warned Wednesday - triggering food shortages, deadly...

Reports: Health problems tied to global warming on the rise
Reports: Health problems tied to global warming on the rise

Health problems tied to climate change are all getting worse, according to two reports published Wednesday. The annual reports commissioned by the medical...

Fossil stuck in 100 million-year-old amber is oldest "true crab" ever discovered
Fossil stuck in 100 million-year-old amber is oldest "true crab" ever discovered

The tiny crab bridges an evolutionary gap that stumped scientists for years.

Climate change is skewing economic data - and the stakes are high for economists to get it right
Climate change is skewing economic data - and the stakes are high for economists to get it right

"What we can assume, reasonably, is that climate change is impacting business operations," said one economist.

TotalEnergies accused of downplaying climate risks
TotalEnergies accused of downplaying climate risks

Research says oil giant TotalEnergies linked fossil fuels and global warming in 1971.

The Orionid meteor shower peaks this week, but a Hunter
The Orionid meteor shower peaks this week, but a Hunter's Moon will make shooting stars harder to spot

The Orionids appear when Earth travels through debris from Halley's Comet. But the full moon will likely scuttle skywatchers this year.

Vikings were in North America in 1021, well before Columbus, researchers say
Vikings were in North America in 1021, well before Columbus, researchers say

Vikings from Greenland - the first Europeans to arrive in the Americas - lived in a village in Canada's Newfoundland exactly 1,000 years ago, researchers say...

Pfizer
Pfizer's vaccine cuts the risk of COVID-19 hospitalization in teens by 93% in a CDC analysis

97% of US teens hospitalized with COVID-19 were unvaccinated in the cases the CDC studied for its analysis.

Maldives minister: Failure to limit warming a death sentence
Maldives minister: Failure to limit warming a death sentence

A failure to limit global warming could mean a "death sentence" for small island nations like the Maldives, including the end of their livelihoods and...

Boeing was supposed to start flying astronauts for NASA 2 years ago. Now its glitching spaceship may not do so until 2023.
Boeing was supposed to start flying astronauts for NASA 2 years ago. Now its glitching spaceship may not do so until 2023.

Boeing's Starliner spaceship has failed to reach the International Space Station twice. Now it likely has to wait at least a year to fly astronauts.

First lunar samples in over 45 years key to moon
First lunar samples in over 45 years key to moon's history

The rock samples are the youngest ever collected, and indicate there was volcanic activity on the Moon much later than previously thought.

Boeing zeros in on cause of Starliner launch scrub
Boeing zeros in on cause of Starliner launch scrub

Boeing hopes to be ready for another Starliner launch try in the first half of 2022.

A meteor that incinerated the residents of an ancient city inspired the biblical story of Sodom, research suggests
A meteor that incinerated the residents of an ancient city inspired the biblical story of Sodom, research suggests

Millennia ago, a meteor half the size of the Statue of Liberty struck an Middle Eastern city. The event may have inspired the biblical story of Sodom.

Orion: Nasa
Orion: Nasa's Moon ship ready to be attached to rocket

The Orion spacecraft is ready to be placed on top of a rocket that will send it towards the Moon.

Amazon, Ikea and Unilever pledge zero-carbon shipping by 2040
Amazon, Ikea and Unilever pledge zero-carbon shipping by 2040

Nine major firms say they will only use zero-carbon cargo vessels by 2040, in a bid to clean up shipping.

Right-wing media are using Colin Powell
Right-wing media are using Colin Powell's death to push their anti-vaccine agenda

Powell, who was fully vaccinated, died of COVID-19 complications on Monday. But he was being treated for a cancer that makes people immunocompromised.

Before-and-after images of landmarks around the world show the devastating sea-level rise that
Before-and-after images of landmarks around the world show the devastating sea-level rise that's coming

If global temperatures increase by 3 degrees Celsius, floods could overtake iconic landmarks like the Statue of Liberty.

China says moon rocks offer new clues to volcanic activity
China says moon rocks offer new clues to volcanic activity

Moon rocks brought back to Earth by a Chinese robotic spacecraft last year have provided new insights into ancient lunar volcanic activity, a researcher said...

Colin Powell talked about his existing health struggles months before dying of COVID-19 complications:
Colin Powell talked about his existing health struggles months before dying of COVID-19 complications: 'Don't feel sorry for me'

The journalist Bob Woodward interviewed Powell in July, where he spoke about battling multiple myeloma for nearly two years. Powell died on Monday.

Colin Powell, who died on Monday from COVID-19, had a blood-cell cancer that likely weakened his immune system
Colin Powell, who died on Monday from COVID-19, had a blood-cell cancer that likely weakened his immune system

Colin Powell, the former US secretary of state, died on Monday from COVID-19 complications. He also had multiple myeloma, a white blood cell cancer.

Conservative radio host Dennis Prager announces he tested positive for COVID-19, which he said he was intentionally trying to contract
Conservative radio host Dennis Prager announces he tested positive for COVID-19, which he said he was intentionally trying to contract 'the entire time'

"I have engaged with strangers, constantly hugging them, taking photos knowing that I was making myself very susceptible to getting COVID," he said.

They made homes of illegal basement apartments. Ida
They made homes of illegal basement apartments. Ida's surge killed them.

More than a month later, loved ones are still reeling from the loss, which experts say was the result of housing issues, climate change's hidden toll on low-...

How will our solar system end? A distant planet offers hints
How will our solar system end? A distant planet offers hints

A darkened planet circling the feeble remnant of a burned-out star about 6,000 light-years from Earth shows what our own solar system will look like at the...

$10bn James Webb Space Telescope unpacked in Kourou
$10bn James Webb Space Telescope unpacked in Kourou

The successor to the Hubble space observatory will now be prepared for launch on 18 December.

West Virginia Leads U.S. in Flood Risk, Adding to Manchin
West Virginia Leads U.S. in Flood Risk, Adding to Manchin's Climate Dilemma

FARMINGTON, W.Va. - In U.S. Sen. Joe Manchin's hometown, a flood-prone hamlet of about 200 homes that hugs a curve on a shallow creek, the rain is getting...

NASA studying solar array issue with Lucy asteroid probe
NASA studying solar array issue with Lucy asteroid probe

One of the Lucy probe's two solar arrays may not have fully deployed and locked in place after launch Saturday.

Fauci says he is polarizing because he supports
Fauci says he is polarizing because he supports 'science, data, and hard facts' and not conspiracy theories

"Sometimes the truth becomes inconvenient for some people, so they react against me," Fauci told Fox News' Chris Wallace.

NASA is studying how to build a Wi-Fi network on the moon in the hopes it could also solve Earth
NASA is studying how to build a Wi-Fi network on the moon in the hopes it could also solve Earth's digital divide

A conceptual NASA study explores the idea of a lunar Wi-Fi network to help fix inadequate internet services in American cities, including Cleveland, Ohio.

Russian actress returns to Earth after orbital movie shoot
Russian actress returns to Earth after orbital movie shoot

Russians claim another space first with scenes from a movie film aboard the International Space Station.


Children born without key immune cells saved with engineered organ

Children who would normally have died because they lack an important immune organ can now survive thanks to a special thigh implant that produces immune cells

Saturn’s moon Titan may be doomed to fly away or smash into the planet

Titan, Saturn’s largest moon, is slowly migrating away from the planet, which is tilting Saturn onto its side and may eventually doom the moon to orbital chaos

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

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

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

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

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

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

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

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

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

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

Microplastics in the air have a small cooling effect on our climate

Microplastics pollute the air, and now there’s evidence that they have a cooling effect on climate - although it’s far smaller than the cooling effect of other particulates

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

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 last 12 hours

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

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

Covid-19 news: No 10 warns of ‘challenging’ months ahead for UK

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

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

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

Nearly every person in Iran seems to have had covid-19 at least once

Strap: An analysis of covid-19 infections among Iranian people casts further doubt on the idea that herd immunity can be achieved without vaccination

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

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

Microsoft and Nvidia build largest ever AI to mimic human language

An artificial intelligence with more than 530 billion parameters - the largest ever - has achieved record scores at understanding human language

This koala was first to be vaccinated against chlamydia in new trial

Shano was the first of 200 koalas to receive a chlamydia vaccine that may help curb an epidemic that is ravaging koala populations across Australia

Covid-19 news: Valneva reports positive results from vaccine trial

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

Self-healing plastic repairs itself in 10 seconds even under water

A new type of strong, flexible self-healing plastic can repair itself rapidly, even in salty or acidic water, which may be useful for divers or underwater pipes

Climate change could slow recovery of southern right whales

Extreme El Niño weather events caused by climate change could slow the recovery of southern right whale populations

Your unique pattern of brain activity can be spotted in 100 seconds

Everyone has a unique pattern of brain activity and it can be spotted after just 100 seconds inside a brain scanner

Contraceptive pill may reduce polycystic ovary syndrome diabetes risk

Women with polycystic ovary syndrome (PCOS) who take the contraceptive pill have three-quarters of the diabetes risk as those with PCOS who don’t

Covid-19 news: UK lab may have given 43,000 false PCR test results

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

Arid meteor shower makes new appearance in southern hemisphere skies

A meteor shower called the Arids has appeared in southern hemisphere skies, as predicted by astronomers

Venomous viper species from the Tibetan plateau discovered in museum

A DNA analysis of museum snake specimens has revealed two previously unrecognised species of Asian pit viper, both from the eastern Tibetan plateau

US military may get a dog-like robot armed with a sniper rifle

A four-legged robot made by Ghost Robotics and outfitted with a sniper rifle and night-vision cameras was displayed at a meeting of the Association of the United States Army

Snakes started eating birds and mammals after dinosaurs went extinct

Snakes typically ate insects before the mass extinction event that wiped out the non-bird dinosaurs, but then they broadened diets to include birds and mammals

Covid-19 news: Positive lateral flow test results ‘should be trusted’

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

NASA’s Lucy mission is launching to study asteroids near Jupiter

A NASA spacecraft called Lucy is about to blast off to study the Trojan asteroids near Jupiter, which are pristine relics from the early solar system

Can long covid clinics in England cope if cases rise this winter?

There are an estimated 706,000 people in England with long covid symptoms, and only 89 specialist clinics set up to help them

Highly processed junk food consumption is rising among US adults

US adults are eating more highly processed junk food now than they were 20 years ago, with the trend particularly clear among those without a college degree

The mRNA technology behind covid-19 vaccines can transform medicine

The success of coronavirus vaccines has been a rare bright spot in the devastation of the pandemic, and the mRNA technology behind some of them offers a way to revolutionise how we treat many illnesses

Why psychologists can't decide if moral disgust is even a thing

Psychology is split on what exactly disgust is, but the evidence is starting to come in, says Ana Aznar

How the Hubble Telescope opened a new window on the cosmos

The Hubble Space Telescope's journey to the sky was a bumpy one, but it was well worth the effort, writes Chanda Prescod-Weinstein

Jupiter-like planet survived the death of its star without harm

Astronomers have spotted a Jupiter-like planet in its original orbit around a white dwarf for the first time

Venus’s surface may have never been cool enough for oceans or life

The surface of Venus may have remained extremely hot since its formation, meaning that water in the atmosphere never had a chance to fall to the surface

Artificial insect-inspired ‘brain’ can guide robotic dog through maze

UK start-up Opteran Technologies has demonstrated a system that can guide a robot through a maze using far less energy and weight than conventional approaches

Bubbles in blood open the brain for world-first cancer treatment

The blood-brain barrier prevents drugs from entering the brain, but now doctors have bypassed it to treat four women with cancer for the first time

Australia's unusual western swamp turtle is an oddity under threat

The first analysis of species that have evolved in isolation for millions of years has found that many – including Australia’s western swamp turtle – are under threat

Women have been under-represented in stroke therapy trials for decades

For decades, clinical trials to test stroke treatments haven't included enough women – a disparity that could be hampering efforts to develop better care

Energy watchdog says net zero can protect against future price shocks

The International Energy Agency, a Paris-based energy watchdog, finds that a strong switch to renewables, energy efficiency and electric cars would cushion households against fossil fuel price shocks

Penguins have the rare ability to recognise other's faces and voices

South African penguins identify each other using unique features of their physical appearance and vocal calls – making them the second group of birds after crows known to do so

Top News: Science