- CBC - Technology & Science News
- 22/1/3 23:31
The new year started with a bang in Pittsburgh. Scientists have determined it was a meteor hurtling at an estimated speed of 72,420 kilometres per...
96 articles from MONDAY 3.1.2022
The new year started with a bang in Pittsburgh. Scientists have determined it was a meteor hurtling at an estimated speed of 72,420 kilometres per...
Where the microbe Prochlorococcus lives is not determined primarily by temperature, as previously thought. A study finds a relationship with a shared predator actually sets the microbe's range. The findings could help scientists predict how Prochlorococcus populations will shift with climate change.
Membrane-associated proteins play a vital role in a variety of cellular processes, yet little is known about the membrane-association mechanism. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is one such protein with an important role in cardiovascular health, but its mechanism of action on the phospholipid membrane was unknown. To address this, researchers at University of California San Diego...
Natural camouflage is one of nature's most interesting traits. Materials scientists have now developed a material that can mimic the camouflage capabilities of marine mollusks. They created a starfish-shaped soft robot that responds to heat and pressure with deformation, movement, and color changes. Cut-off tentacles can be welded together, and the material can be fully recycled, they write in the...
Mutations in genes encoding mitochondrial aminoacyl-tRNA synthetases are linked to diverse diseases. However, the precise mechanisms by which these mutations affect mitochondrial function and disease development are not fully understood.
The Transiting Exoplanet Survey Satellite, TESS, was launched in 2018 with the goal of discovering small planets around the sun's nearest neighbor stars. TESS has so far discovered 172 confirmed exoplanets and compiled a list of 4703 candidate exoplanets. Its sensitive camera takes images that span a huge field of view, more than twice the area of the constellation of Orion, and TESS has also...
Carbon dioxide can be harvested from smokestacks and used to create commercially valuable chemicals thanks to a novel compound developed by a scientific collaboration led by an Oregon State University researcher.
Prochlorococcus are the smallest and most abundant photosynthesizing organisms on the planet. A single Prochlorococcus cell is dwarfed by a human red blood cell, yet globally the microbes number in the octillions and are responsible for a large fraction of the world's oxygen production as they turn sunlight into energy.
The microbes that live inside our mouths, collectively known as the oral microbiome, impact our overall health in many ways that are not yet fully understood. Some bacteria cause inflammation, leading to periodontitis and other systemic diseases, such as cardiovascular disease and diabetes. Other oral organisms have been associated with certain types of cancer. Scientists are working to understand...
Why the sun's corona reaches temperatures of several million degrees Celsius is one of the great mysteries of solar physics. A 'hot' trail to explain this effect leads to a region of the solar atmosphere just below the corona, where sound waves and certain plasma waves travel at the same speed. In an experiment using the molten alkali metal rubidium and pulsed high magnetic fields, researchers...
Aggressive and relatively common lymphomas called diffuse large B cell lymphomas (DLBCLs) have a critical metabolic vulnerability that can be exploited to trick these cancers into starving themselves, according to a new study.
Seven-year-old children performed better on a challenging task requiring sustained attention if their mothers consumed twice the recommended amount of choline during their pregnancy, a new study has found.
Researchers pinpoint the regions of the brain and neural mechanisms responsible for normal or impaired development of a child's response to baby talk and why infants with autism do not typically respond well.
Among our closest living relatives -- the great apes -- we humans are unique: We have larger brains, reproduce more quickly and have longer life spans. These traits are obviously valuable, but the extra energy required to sustain them is quite significant. So how did we manage to afford them?
An olfactory receptor typically associated with the sense of smell may also trigger breast cancer cells to metastasize through a signaling pathway to the brain, bones and lung. Future research could potentially lead to an inhibitor of OR5B21 to prevent cellular invasion and metastasis, thus prolonging the lives of breast cancer patients.
NASA's new space telescope is on the verge of completing the riskiest part of its mission—unfolding and tightening a huge sunshade—after ground controllers fixed a pair of problems, officials said Monday.
New research by the Tennessee Education Research Alliance at Vanderbilt University's Peabody College reveals that Black and male teachers in Tennessee have received lower observation scores than white and female teachers every year since the state's evaluation system began in 2011. Those gaps among race and gender remain even when comparing similarly qualified teachers who perform the same...
One afternoon, during the early days of the COVID-19 pandemic in Panama, a bored teenager with a slingshot and a clay ball accidentally shot entry and exit holes in a Cecropia tree trunk. These are "ant-plant" trees, which famously cooperate with fierce Azteca ants; the trees provide shelter and food to the ants, and in exchange the ants defend their leaves against herbivores. The next morning, to...
Why the sun's corona reaches temperatures of several million degrees Celsius is one of the great mysteries of solar physics. A "hot" trail to explain this effect leads to a region of the solar atmosphere just below the corona, where sound waves and certain plasma waves travel at the same speed. In an experiment using the molten alkali metal rubidium and pulsed high magnetic fields, a team from the...
Receiving the first images from the James Webb Space Telescope, sending the first uncrewed Artemis mission around the Moon and back to Earth, sending NASA science and technology to the surface of the Moon on three missions with our commercial partners, and flying our first quiet, supersonic plane are just a few of the things NASA has planned for 2022. Video...
Gloomiest predictions may have not come to pass, but experts caution that we’re not out of the woods yetCoronavirus – latest updatesSee all our coronavirus coverageThe family gatherings have disbanded, the new year’s hangovers have lifted. Despite record Covid infection figures over the holiday period, evidence that the rate of increase in cases may be slowing has prompted speculation that...
Research led by UC Davis Professor Garen Wintemute shows that violence indirectly impacts most Californians. Though relatively few may experience or witness a violent act, a large majority of surveyed Californians reported having an "experience of violence" (EV). These included hearing gunshots in their neighborhood, encountering a sidewalk memorial to a violent death or learning about a violent...