774,933 articles

NASA buying Moon dust for $1

The US space agency NASA awarded contracts to four companies on Thursday to collect lunar samples for $1 to $15,000, rock-bottom prices that are intended to set a precedent for future exploitation of space resources by the private sector.

UK coronavirus live: Alok Sharma rejects criticism of Covid vaccine's rapid approval

Latest updates: minister defends the UK regulator’s ‘absolutely meticulous’ approach to the Covid vaccine amid criticism of its swift approval Alok Sharma defends UK’s rapid approval of Covid vaccineFauci apologises for implied criticism of speedy UK vaccine approvalCoronavirus – latest updatesSee all our coronavirus coverage 9.38am GMT A top public health expert has said the prime...

Tapping overlooked marketing data to drive business growth

Researchers from University of Houston, Columbia University, Emory University, and University of Connecticut published a new paper in the Journal of Marketing that reviews factors that contribute to the disconnect between the data companies create and the productive use of that data.

The Human Cosmos by Jo Marchant review – learn from the stars

From Palaeolithic paintings to astrophysics … a glittering history takes in explorers, aliens and a world vanishing from viewTwenty thousand years ago, in a cave in France, Palaeolithic humans painted a great bull with a collection of seven dots above his shoulder. Scholars are divided over the meaning of such paintings, but at the start of this book Jo Marchant makes a convincing and...

What's the point of lab-grown meat when we can simply eat more vegetables? | Jenny Kleeman

The corporate race for cultured protein rests on a view of human beings as greedy and incapable of changeThe stuff of science fiction has landed on our plates. Meat grown in a lab, instead of inside the body of an animal, has been approved for sale for the first time. The Singapore Food Agency has given regulatory approval to Eat Just’s “chicken bites”, grown from the cells of a chicken...

Alok Sharma defends UK's rapid approval of Covid vaccine

Minister says MHRA, which approved coronavirus jab, is ‘gold standard of regulation’Coronavirus – latest updatesSee all our coronavirus coverageThe UK business secretary, Alok Sharma, has defended the UK’s “absolutely meticulous” approach to the coronavirus vaccine amid global criticism of its rapid approval by regulators.Sharma said the UK should be “very proud” of becoming the...

Chinese Spacecraft Lifts Off From Moon Carrying Lunar Rocks

(BEIJING) — A Chinese spacecraft lifted off from the moon Thursday night with a load of lunar rocks, the first stage of its return to Earth, the government space agency reported. Chang’e 5, the third Chinese spacecraft to land on the moon and the first to take off from it again, is the latest in a series of increasingly ambitious missions for Beijing’s space program, which also...

Scientists took a rare chance to prove we can quantify biodiversity by 'testing the water'

While extraction of DNA from water samples provides a convenient and non-invasive way to study aquatic biodiversity, reliable evidence that this approach is accurate enough to estimate the number of fish per species and their biomass in natural habitats, is still lacking. A new study, published in the open-access, peer-reviewed journal Metabarcoding and Metagenomics, demonstrates the high...

Thermal stability analysis technique for EV batteries to detect risk of fire or explosion

Recently, there have been a number of electric vehicle (EV) battery fire incidents. Unlike the batteries used in small mobile devices, such as smartphones, the battery pack of an EV is composed of hundreds of battery cells, and any instability can cause major casualties and property damage. Amid various efforts to pinpoint the cause of battery fires, Korean researchers have developed a new...

Coronavirus live news: Biden vows to get vaccinated in public as South Korea reports highest cases in nine months

Biden will ask Americans to wear masks for his first 100 days in office; Italy approves Christmas restrictions; Iran’s cases top 1mSouth Korea reports highest cases in nine monthsEuropean and US experts question UK’s fast-track of vaccinePublic trust vital for Covid-19 vaccine programmes says WHOSwedes’ support for anti-lockdown stance slips amid rising deathsCyberspies target Covid vaccine...

Time magazine names teenage inventor its first 'kid of the year'

Gitanjali Rao has used technology to address contaminated drinking water, opioid addiction and cyberbullying A 15-year-old scientist and inventor has been named as Time magazine’s first “kid of the year”.Gitanjali Rao, from Denver, Colorado, has invented new technologies across a range of fields, including a device that can identify lead in drinking water, and an app and Chrome extension...

After six years and 6bn km, Japan's Hayabusa2 prepares to bring home cargo of asteroid dust

Japanese craft collected dust from the asteroid Ryugu that scientists hope could shed light on the origins of lifeThe last time Hayabusa2 was seen with the naked eye, Barack Obama was president of the United States and Brexit was a distant Europhobe fantasy.Six years and three days after its groundbreaking mission began, the Japanese spacecraft will drop a capsule onto the Australian outback...

New Zealand Covid minister urges patience in wait for vaccine approval

Chris Hipkins says it is understandable that other countries in much worse situations have fast-tracked approvalCoronavirus – latest updatesSee all our coronavirus coverageNew Zealand’s Covid-19 minister has called for patience in the country’s vaccine roll-out programme, saying he was unlikely to follow the UK in using emergency provisions to fast-track approval.Covid-19 minister Chris...

Definition of treasure trove to be recast to protect UK's rare artefacts

Recent finds have not met criteria as they are made from bronze, not precious metalsThe government plans to change the official definition of “treasure” to cover more rare and precious archaeological finds so that such artefacts can be saved for the nation rather than sold to private collectors.Under the 1996 Treasure Act, objects are designated as treasure trove if found to be more than 300...


THURSDAY 3. DECEMBER 2020


Covid: 1.5 million dead globally as vaccination schemes set to begin

More than 10,000 people have died on average every day in the past week, according to latest figuresCoronavirus – latest updatesSee all our coronavirus coverageAt least 1.5 million lives across the globe have been lost to Covid-19, according to a tally of cases maintained by Johns Hopkins University, as vaccinations look set to be rolled out in a handful of nations this month.Reuters reported...

What's killing killer whales?

Pathology reports on more than 50 killer whales stranded over nearly a decade in the northeast Pacific and Hawaii show that orcas face a variety of mortal threats -- many stemming from human interactions.

Leaving so soon? Unusual planetary nebula fades mere decades after it arrived

The tiny Stingray Nebula unexpectedly appeared in the 1980s is by far the youngest planetary nebula in our sky. But a team of astronomers recently analyzed a more recent image of the nebula, taken in 2016 by Hubble, and found that it has faded significantly and changed shape over the course of just 20 years. If dimming continues at current rates, in 20 or 30 years the Stingray Nebula will be...

A leading AI ethics researcher says she’s been fired from Google

On December 2, the AI research community was shocked to learn that Timnit Gebru had been fired from her post at Google. Gebru, one of the leading voices in responsible AI research, is known among other things for her groundbreaking work in revealing the discriminatory nature of facial recognition, cofounding the Black in AI affinity group, and relentlessly advocating for diversity in the tech...

Research leads to better modeling of hypersonic flow

Hypersonic flight is conventionally referred to as the ability to fly at speeds significantly faster than the speed of sound and presents an extraordinary set of technical challenges. As an example, when a space capsule re-enters Earth's atmosphere, it reaches hypersonic speeds—more than five times the speed of sound—and generates temperatures over 4,000 degrees Fahrenheit on its exterior...

Leaf microbiomes are a neighborhood affair in northern forests

Forest leaves are teeming with bacterial life—but despite the vast extent of bacteria-covered foliage across the world, this habitat, known as the phyllosphere, remains full of mysteries. How do bacteria spread from tree to tree? Do certain types of bacteria only live on certain types of trees?

Tree lifespan decline in forests could neutralize part of rise in net carbon uptake

Accelerating tree growth in recent years has been accompanied by a reduction in tree lifespan, which could eventually neutralize part of the increase in net uptake of carbon dioxide (CO2). This trade-off between tree growth and life expectancy applies to forests worldwide, including in the Amazon and other tropical regions, as well as temperate regions and the Arctic.