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Astronauts on the International Space Station carried out an "avoidance maneuver" Tuesday to ensure they would not be hit by a piece of debris, said US space agency NASA, urging better management of objects in Earth's orbit.

Is the Moon showing signs of rusting?

Scientists are investigating whether the Moon is showing signs of rusting as a result of oxygen from Earth. This is due to the detection of the oxidized iron mineral hematite, located at areas of high latitudes on the Moon's surface.

Essential Science: Can antimicrobial coatings kill coronavirus?

The antimicrobial properties of metals have been known about for thousands of years, and the use of copper and silver have been commonplace as part of hospital infection control strategies. Can specific surfaces help tackle coronavirus?

Egypt discovers 14 ancient sarcophagi at Saqqara

Egypt's antiquities ministry announced Sunday the discovery of 14 sarcophagi in the Saqqara necropolis south of Cairo that had lain buried for 2,500 years.

COVID-19 patients with sleep apnoea could be at additional risk

A new study finds that individuals who have been diagnosed with obstructive sleep apnoea are at an elevated risk of adverse outcomes from COVID-19. This is based on data compiled at the University of Warwick, from reviews of patients.

Melting permafrost reveals first-ever preserved Ice Age cave bear

After more than 20,000 years, Siberia's melting permafrost has revealed an amazingly well-preserved body of a cave bear. The bear still has intact fur, soft tissues and internal organs, including its nose.

Australian stinging trees contain 'scorpion-like venom': scientists

Australia is notorious for its venomous spiders, snakes and sea creatures, but researchers have now identified "scorpion-like" toxins secreted by a tree that can cause excruciating pain for weeks.

Scientists find world's oldest sperm in Myanmar amber

A team of palaeontologists have discovered what they believe is the world's oldest animal sperm, frozen 100 million years ago inside a tiny crustacean in tree resin in Myanmar.

T-rex skeleton could fetch record price at New York auction

The skeleton of a 40-foot (12-meter) dinosaur nicknamed "Stan", one of the most complete Tyrannosaurus rex specimens ever found, will be auctioned in New York next month and could set a record for a sale of its kind.

Hundreds of thousands of migratory birds found dead in Western US

Biologists at New Mexico State University are trying to find out what is causing a mass mortality event among migratory birds. Hundreds of thousands of dead birds have been found from California to Texas, across the U.S. Southwest since August 2020.

Science explains why blue and green colors are so bright

Throughout the natural world the colors of blue and green are typically the brightest and most intense, as well as symbolizing the wonder of nature. Why is this? Computational biology provides an answer.

If something’s alive on Venus, where is it? Substrate, maybe?

The recent discovery of an organic compound called phosphine has raised a huge storm of interest. Venus is supposed to be dead. It’s looking like it isn’t. The questions are rising fast.

Scientists find gas on Venus linked to life on Earth

The atmosphere of Venus contains a gas that on Earth can be attributed to living organisms, scientists said Monday, a discovery the head of NASA called "the most significant development yet" in the hunt for extraterrestrial life.

Essential Science: Is it possible to predict stroke risk?

A new study, from the University of Virginia Health System, suggests that the use of an online calculator can predict an individual's stroke risk. This, and other studies relating to stroke risk, are examined as part of this Essential Science column.

Q&A: Distributed biological processing can prevent pandemics Special

It is possible to leverage the powers of distributed biological processing to fight emerging pathogens faster and prevent them from spreading in the future, building a global antibody defensive barrier, according to Dr. Eric Hobbs.

Bacteriophages could combat secondary COVID-19 infections

New research suggests that bacteriophage therapy could counteract the risk of secondary bacterial infections, which affect some patients with weakened immune systems after being infected with the SARS-CoV-2 coronavirus.

Coronavirus capable of invading brain: study

Headaches, confusion and delirium experienced by some Covid-19 patients could be the result of the coronavirus directly invading the brain, according to a study published Wednesday.

Fungi used to create 'leather-like' materials

A new biofabrication technology, using fungi, can succeed in developing a leather-type material. This includes the upcycling of low-cost agricultural and forestry by-products.

Study — COVID-related syndrome in children can cause heart damage

Researchers behind a new study are warning that a rare and unusual inflammatory condition in children, believed to be linked to COVID-19, damages the heart to such an extent that lifelong monitoring and interventions may be needed.

'Zombie Fires' fuel sky-high carbon emissions in the Arctic

"Zombie" wildfires that were smoldering beneath the Arctic ice all winter suddenly flared to life this summer when the snow and ice above it melted, new monitoring data reveals, making this summer's wildfires the worst on record.

Essential Science: Venom from bees destroys breast cancer cells

Venom from honeybees has been discovered to be effective at inactivating aggressive breast cancer cells, based on a series of laboratory studies. This paves the way for more in-depth assessment.

Bering Sea ice extent is at lowest in over 5,000 years

Through the analysis of vegetation from a Bering Sea island, researchers have determined that the extent of sea ice in the region is lower than it’s been for thousands of years.

Scientists detect mysterious 'intermediate mass' black hole

Scientists announced Wednesday the discovery of a black hole -- the oldest ever detected -- that shouldn't even exist according to the current understanding of cosmic monsters so dense not even light can escape their gravitational pull.

Antivitamins hold promise in overcoming antimicrobial resistance

Are antivitamins the solution to the antimicrobial resistance problem? Microbiologists have now identified a new approach that involves 'antivitamins', and these are said to hold promise with the development of a new generation of antimicrobials.

Junk food linked to age-marker in chromosomes: study

People who eat a lot of industrially processed junk food are more likely to exhibit a change in their chromosomes linked to ageing, according to research presented Tuesday at an online medical conference.

Essential Science: When will we get 3D organs on demand?

Given various biomedical advances, what is the likelihood of 3D printed organs? What has been achieved so far? And where is future research heading? Digital Journal takes the litmus test.

Infectivity of coronavirus varies according to room humidity

How the SARS-CoV-2 virus, which originated in Wuhan, China, is transmitted remains an area of uncertainty in relation to internal ventilation and room environments. New research considerations the impact of room humidity.

To what extent do asymptomatic individuals spread COVID-19?

An important factor being weighed up by epidemiologists in relation to the coronavirus pandemic is the extent that asymptomatic infections contribute to the transmission of the virus SARS-CoV-2. New research based on cruise ships may help,

Blue planet: Study proposes new origin theory for Earth's water

Water covers 70 percent of the Earth's surface and is crucial to life as we know it, but how it got here has been a longstanding scientific debate.

Brain gain: Early stimulation gives mice life-long benefits

Mice that grow up in stimulating environments not only become smarter and more curious but are also more likely to develop individualized "personalities," a new study showed Wednesday.

Q&A: Importance of endotoxin testing COVID-19 vaccines Special

Bacterial endotoxin presents a risk to sterile medicine products, especially those administered intravenously or intrathecally. Assessing endotoxin levels is also important in establishing if new COVID-19 vaccines are safe.

Space oddity: bacteria can survive cosmic trip, study shows

Scientists have found a radiation-resistant bacteria can survive at least three years exposed in orbit, suggesting simple life forms could manage the long journey between between Earth and Mars unprotected.

Q&A: High-tech weather data is becoming key to decision making Special

Globally, many companies are incorporating weather into digital transformation by utilizing advanced hyper-local weather algorithms, artificial intelligence and machine learning to make decisions.

How many in the room? COVID-19 and room occupancy

Coronavirus transmission rates vary in terms of the numbers of people present in an indoor environment and the level of ventilation, according to a new study. Such studies help with setting minimal environmental standards.

Ice melting fast below East Antarctica's Shirase Glacier tongue

Ice is melting at a surprisingly fast rate underneath the Shirase Glacier Tongue in East Antarctica due to the continuing influx of warm seawater into the Lützow-Holm Bay.

Essential Science: Can smiling a lot really make you feel better?

The coronavirus era may not give us too much to smile about, but being happy and walking around with a smile on your face does appear to pay dividends according to some new research from the University of South Australia.

Further support for tracking coronavirus in wastewater

New research affirms earlier studies about the usefulness of studying wastewater samples for the novel coronavirus. Researchers took weekly samples through the early days of the pandemic and on into the more recent stages.

Asteroid to make near-Earth approach one day before election

The year just keeps getting better and better. We're in the midst of a pandemic, we have civil unrest, a contentious election, a double whammy of tropical storms approaching our Gulf states - and now - an asteroid is zooming toward us.

Scientists find out why Alaska's wild salmon are getting smaller

Alaska’s highly prized salmon - a favorite of seafood lovers the world over - are getting smaller, and climate change is suspected, a new study reported, documenting a trend that may pose a risk to a valuable fishery, indigenous people and wildlife.

Concerns grow over Russian coronavirus vaccine claims

News that the Russian Federation has developed a vaccine against SARS-CoV-2 has been met with scepticism from international experts. Scientists are concerned that they have been unable to verify clinical data from the medication called ‘Sputnik V’.

Stem cell treatment offers new hope for diabetics

A new technique that grows insulin-producing cells and can protect them from immune attack after they are transplanted may offer new hope for treating some people with diabetes.
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