804,359 articles

Social mobility study to assess lockdown effect on teenagers in England

Academics will follow progress of 10,000 poorer students affected by the Covid-19 pandemicCoronavirus – latest updatesSee all our coronavirus coverageDisruption to the lives and careers of 16-year-olds following the Covid-19 pandemic is to be the subject of a government-funded study that tracks 10,000 children in England into adulthood.The research will establish whether pupils achieve lower...

Simple entropies for complicated molecules

Chemists of the University of Bonn developed a computational tool for the analysis of conformational entropies of flexible molecules. Their method enables the thermodynamic investigation of complicated chemical systems by combination of modern quantum chemical and classical models. In a successful attempt of simplifications, important contributions to the entropy can be calculated with minimal...

How to decarbonize California transportation by 2045

Transportation is the largest source of greenhouse gas emissions in California. In order to achieve the state's goals of carbon neutrality by 2045 and avoid the worst impacts of climate change, decarbonizing this sector is essential. But such a transition is unlikely to occur rapidly without key policy intervention.

New biosensor designed to detect toxins and more

A device from Los Alamos National Laboratory researchers is not quite the Star Trek "tricorder" medical scanner, but it's a step in the right direction. The Portable EnGineered Analytic Sensor with aUtomated Sampling (PEGASUS) is a miniaturized waveguide-based optical sensor that can detect toxins, bacterial signatures, viral signatures, biothreats, white powders and more, from samples such as...

On a changing planet, NASA goes green

"NASA is a scientific leader, globally and nationally," said Denise Thaller, director of NASA's Environmental Management Division. "We embody that focus on the stewardship of the Earth, so we need to lead by example. We need to evaluate everything we do and make sure we're reducing our impacts on the Earth while we study the Earth."

Mars-directed coronal mass ejection erupts from the sun

NASA's STEREO-A and ESA/NASA's SOHO spacecraft detected a coronal mass ejection, or CME, leaving the sun on April 17 at 12:36 p.m. EDT. This CME did not impact Earth but did move toward Mars, passing the planet in the late evening and early morning hours of April 21 and 22.

Quantum steering for more precise measurements

Quantum systems consisting of several particles can be used to measure magnetic or electric fields more precisely. A young physicist at the University of Basel has now proposed a new scheme for such measurements that uses a particular kind of correlation between quantum particles.

Asteroid that hit Botswana in 2018 likely came from Vesta

An international team of researchers searched for pieces of a small asteroid tracked in space and then observed to impact Botswana on June 2, 2018. Guided by SETI Institute meteor astronomer Peter Jenniskens, they found 23 meteorites deep inside the Central Kalahari Game Reserve and now have published their findings online in the journal Meteoritics and Planetary Science.

Meet the Inspiration4 Team, the World’s First Non-Astronaut Space Crew

Sian Proctor may owe her life to Apollo 11—literally. Born in Guam—the daughter of an engineer who worked at the local tracking station that helped NASA maintain communications with its lunar crews—she was the fourth child of a couple that she suspects did not plan for so many kids, and came into the world just nine months after Apollo 11 stuck its historic first moon landing....

SpaceX launches third crew in less than a year with recycled rocket and capsule

Event marks first time SpaceX reused a capsule and rocket to launch astronauts for NasaSpaceX launched four astronauts into orbit on Friday using a recycled rocket and capsule, the third crew flight in less than a year for Elon Musk’s rapidly expanding company.The astronauts from the US, Japan and France should reach the International Space Station early on Saturday morning, following a 23-hour...

UK scientists find evidence of human-to-cat Covid transmission

Researchers in Glasgow find two cases where cats were infected by owners with coronavirus symptomsCoronavirus – latest updatesSee all our coronavirus coverageTwo cases of human-to-cat transmission of Covid-19 have been identified by researchers. Scientists from the University of Glasgow found the cases of Sars-CoV-2 transmission as part of a screening programme of the feline population in the...

Climate-friendly microbes chomp dead plants without releasing heat-trapping methane

The tree of life just got a little bigger: A team of scientists from the U.S. and China has identified an entirely new group of microbes quietly living in hot springs, geothermal systems and hydrothermal sediments around the world. The microbes appear to be playing an important role in the global carbon cycle by helping break down decaying plants without producing the greenhouse gas methane.