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By the time they were wiped out alongside their dinosaur cousins, most winged pterosaurs had evolved from awkwardly airborne to lords of the primeval skies, according to new research published Wednesday.

New genome sequencing sheds light on diversity in Africa

Analysis of the genomes of hundreds of people from across Africa has shed light on ancient migrations and modern susceptibility and resistance to disease, revealing unexpected genetic diversity.

Cases of Leishmaniasis are increasing in the U.S. and in Canada

Leishmania is a flesh-eating, microscopic parasite that affects millions of people each year, in 98 countries and territories. The disease is transmitted by sandfly bites and causes a disease called leishmaniasis. It is not native to Canada or the U.S.

Mouthwashes may help to inactivate coronavirus

A new study into coronavirus prevention measures finds that certain mouthwashes and other forms of oral rinses may inactivate human coronaviruses and hence significantly lower the viral load.

Eli Lilly's antibody drug for COVID-19 patients fails in study

Late on Monday, the National Institute of Allergy and Infectious Diseases (NIAID), ended a study into the effectiveness of Eli Lilly's antibody treatment for hospitalized COVID-19 patients due to a lack of effectiveness.

Moon richer in water than once thought

There may be far more water on the Moon than previously thought, according to two studies published Monday raising the tantalising prospect that astronauts on future space missions could find refreshment -- and maybe even fuel -- on the lunar surface.

Essential Science: As the Earth warms, how can we keep cool?

As climate change continues to cause the average temperature around the planet to rise, staying cooler in what are increasingly set to be long, dry, and hot summers presents a challenge. We look at three solutions.

Dialing down a rampaging immune system with newborn stem cells

One of the most puzzling observations made in the early days of the coronavirus pandemic was that the organs of severe COVID-19 patients — such as the lungs, kidneys, heart and brain — were being damaged just when they started showing signs of recover

Convalescent plasma of limited use for Covid-19: study

Plasma taken from the blood of people who have recovered from Covid-19 and given to people sick with the disease does not reduce their chances of getting seriously ill or dying, new research has found.

Chile celebrates successful breeding of endangered frog

A critically endangered species of frog seems to have a bright future after conservationists in Chile launched a rescue campaign that has produced 200 offspring.

First rapid, on-site COVID-19 wastewater testing solution

A science-based collaboration between LuminUltra, Dalhousie University and Halifax Water has demonstrated that wastewater data provides a tool for the early detection and tracking COVID-19 prevalence within communities.

NASA asteroid surface sampling likely successful

NASA on Wednesday released its first images of a sampling operation carried out on the asteroid Bennu, which appeared to show successful recovery of rock and dust, or as one official put it, "the kind of mess we were hoping for.

Vaccine trials 'can't detect' virus risk reduction: expert

None of the trials of Covid-19 candidate vaccines can detect a reduction in serious outcomes such as hospitalisation or death, a leading public health expert said Thursday.

India to roll out quick and cheap coronavirus paper test

A fast and cheap paper-based coronavirus test will soon be available across India, with scientists hopeful it will help turn the tide on the pandemic in one of the world's worst-hit nations.India has recorded more than 7.

The key factors for selecting the best COVID-19 plasma donors

To develop convalescent plasma therapy for the treatment of those with COVID-19, the factors of sex, age, and severity of disease are key to identifying potential donors with high levels of antibodies to provide the source material.

Scientists raise alarm over signs of vaccine 'hesitancy'

Scientists called for urgent action to improve public trust in immunisation as research suggested sizeable minorities in some nations may be reluctant to be vaccinated against Covid-19.

Essential Science: Why masks work and time to end the debate?

How effective are face masks? The body of evidence in favour of masks continues to grow. In this week’s Essential Science, we consider a diverse array of different literature that looks at mask wearing in different contexts.

Using AI to drive home drug development

Drug development is partially dependent upon biomedical data. Such data is invariably overly complex, and there are complex interactions between hundreds of biological entities. To make sense of this, AI is required.

Unseen side effect of COVID-19? Science research has slowed down

Scientific research has slowed down across multiple fields due to the coronavirus pandemic, as a new survey reveals. While COVID-19 research continues, research in other fields is at an all time low.

Scientists throw lifeline to world's rarest primate

Hainan gibbons -- the rarest primates on Earth -- were already teetering on the edge of extinction in 2014 when the most powerful storm to lash China's coast in half a century ravaged their island oasis.

New crew reaches ISS in record time

A three-person crew successfully reached the International Space Station on Wednesday aboard a Russian rocket after the fastest ever journey from Earth of just over three hours.

Russia launches fresh crew to ISS on fast-track journey

Two cosmonauts and a NASA astronaut blasted off on a high-speed journey to the International Space Station Wednesday, in the first such launch aboard a Russian capsule since SpaceX's game-changing debut manned flight from US soil.

Second Covid-19 trial paused within 24 hours over safety concerns

Two late-stage Covid-19 medical trials have been paused in the space of 24 hours over potential safety concerns, the latest setbacks to scientists in the long fight against the pandemic.

Venomous Puss caterpillars are popping up in Virginia

In news only 2020 could bring, Virginia forestry officials are warning residents to #SocialDistance far away from venomous puss caterpillars, which have been spotted in the state’s eastern counties.

NASA announces eight-nation space coalition under 'Artemis Accords'

NASA announced on Tuesday that eight countries have signed an international agreement called the Artemis Accords that outlines the principles of future exploration of the Moon and beyond.

How statins may reduce cancer risk in humans

Cholesterol-lowering drugs called statins may reduce cancer risk in humans through a pathway unrelated to cholesterol, according to new research published in the journal eLife.

Russia shuns US lunar program, as space cooperation under threat

Russia is unlikely to participate in the Moon-orbiting station planned by the United States, a Russian official said Monday, marking the probable end of the type of close cooperation seen for two decades on the International Space Station (ISS).

Creating better coronavirus science through AI tools

Most of the COVID-19 related research is reliable and proven to be accurate, or at least part of an iterative process whereby new research builds upon current findings. There are, however, bad research examples. Could AI have filtered these bad examples?

Essential Science: What climate change reveals about hurricanes

This year's hurricane season is expected to be bad. Atmospheric and oceanic conditions are primed to push severe storm development in the Atlantic, according to new research. What can these, and other findings, reveal about hurricanes and climate?

Hong Kong scientists say anti-microbe drug successful against coronavirus

An affordable anti-microbial drug used to treat stomach ulcers and bacterial infections has shown promise in combatting the coronavirus in animals, scientists in Hong Kong announced Monday.

Op-Ed: Big issue - COVID survival for a month on surfaces is grim news

In a not-very-welcome finding, Australian CSIRO researchers have discovered that the virus can survive for weeks on surfaces. That’s much longer than influenza. That's not good news for transmission.

CRISPR-based COVID-19 test can produce results in one hour

Scientists in India have constructed a paper-based coronavirus test which can produce results in around one hour. The test only costs $7.00. At the basis of the technology is CRISPR gene editing.

First major study of coronavirus risk on aircraft flights

What are the risks associated with flying when at least one person is carrying the SARS-CoV-2 coronavirus? How vulnerable are other passengers? A new study assesses the evidence.

Op-Ed: Tool-using ants logic vs researchers — Ants 1, Researchers 0 ?

Black imported fire ants have just given Chinese researchers a lesson in practical engineering. Faced with a problem in gathering sugar water, the ants created sand structures to draw out the sugar water safely.

Rare childhood disease linked to bacterium

The rare childhood illness pediatric hydrocephalus (a form of fluid on the brain of a child) has been attributed to a bacterium. This new insight may lead to new treatments and it will further scientific understanding.

Improving age-related cognition may rest on a fecal transplant

Improving age-related cognition and the decline that comes with old age is something many medical professionals aspire to. There could be an answer, according to a new study, based on fecal transplant therapy.

Does catching the common cold make COVID-19 less severe

Early stages of research suggest that being infected previously with a different type of coronavirus to SARS-CoV-2 (which causes COVID-190, such as the common cold, may lessen the severity of the infectious virus.

Study finds preserved brain material in Vesuvius victim

Brain cells have been found in exceptionally preserved form in the remains of a young man killed in the eruption of Mount Vesuvius almost 2,000 years ago, an Italian study has revealed.

Nobel winning women hope to inspire a new generation of scientists

On hearing that they had been awarded a Nobel Chemistry Prize for their groundbreaking work on gene-editing Jennifer Doudna and Emmanuelle Charpentier said they hoped it would inspire a new generation of women in science.

US-British trio win Nobel Medicine Prize for Hepatitis C discovery

Americans Harvey Alter and Charles Rice together with Briton Michael Houghton won the Nobel Medicine Prize on Monday for the discovery of the Hepatitis C virus, paving the way for a cure, the Nobel jury said.

Essential Science: New treatment for the most neglected disease?

Schistosomiasis (or bilharzia) is a neglected tropical disease, and the one that causes significant ill-health effects to millions of people. The disease is caused by a parasitic worm.
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