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Categories: Geoscience: Environmental Issues, Space: Exploration
Published New study identifies the greatest threat to wildlife across North America and Canada: people
(via sciencedaily.com) Original source A biology student studied more than 600,000 wildlife rehabilitation center records to look at the human impact on wild animals, from lead poisonings to window strikes to vehicle collisions.
Published 1.5°C pathways can still be achieved, combining fairness and global climate protection
(via sciencedaily.com) Original source Global warming can still be limited to 1.5°C by 2100 while ensuring that the poor are not hit hardest by climate policies and climate impacts. This is achieved by immediately introducing broad carbon pricing together with re-distributive policies using carbon pricing revenues and further measures to reduce energy consumption, accelerate technological transitions, and transform the land sector.
Published How mountains affect El Niño-induced winter precipitation
(via sciencedaily.com) Original source A consideration of how mountains influence El Niño and La Niña-induced precipitation change in western North America may be the ticket to more informed water conservation planning along the Colorado River, new research suggests.
Published Snail-inspired robot could scoop ocean microplastics
(via sciencedaily.com) Original source Inspired by a small and slow snail, scientists have developed a robot protype that may one day scoop up microplastics from the surfaces of oceans, seas and lakes.
Published Tracking undetectable space junk
(via sciencedaily.com) Original source Satellite and spacecraft operators may finally be able to detect small pieces of debris orbiting Earth using a new approach. Colliding pieces of space debris emit electric signals that could help track small debris littering Earth's orbit, potentially saving satellites and spacecraft.
Published 10-billion-year, 50,000-light-year journey to black hole
(via sciencedaily.com) Original source A star near the supermassive black hole at the center of the Milky Way Galaxy originated outside of the Galaxy according to a new study. This is the first time a star of extragalactic origin has been found in the vicinity of the super massive black hole.
Published Artificial light is luring birds to cities and sometimes to their deaths
(via sciencedaily.com) Original source Scientists used weather radar data to map bird stopover density in the United States and found that artificial light is a top indicator of where birds will land. City lights lure birds into what can be an ecological trap -- with buildings that lead to collisions, less habitat, scarcer food, and more people and cats. The study provides the first continent-wide maps of migration stopover hotspots in the contiguous United States, and knowing these broadscale layover patterns can help in the development of conservation plans.
Published More than a meteorite: New clues about the demise of dinosaurs
(via sciencedaily.com) Original source What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, challenging the traditional narrative that a meteorite alone delivered the final blow to the ancient giants.
Published Dark galactic region nicknamed 'The Brick' explained with Webb telescope findings
(via sciencedaily.com) Original source Using the James Webb Space Telescope, astronomers spot unexpected source of carbon monoxide ice at galactic region surprisingly devoid of stars.
Published Researchers decode aqueous amino acid's potential for direct air capture of CO2
(via sciencedaily.com) Original source Scientists have made a significant stride toward understanding a viable process for direct air capture, or DAC, of carbon dioxide from the atmosphere. This DAC process is in early development with the aim of achieving negative emissions, where the amount of carbon dioxide removed from the envelope of gases surrounding Earth exceeds the amount emitted.
Published Himalayan glaciers react, blow cold winds down their slopes
(via sciencedaily.com) Original source Himalayan Glaciers fight back to preserve themselves, but for how long? An international team of researchers explains a stunning phenomenon: rising global temperatures have led Himalayan glaciers to increasingly cool the air in contact with the ice surface. The ensuing cold winds might help cool the glaciers and preserve the surrounding ecosystems. The results were found across the Himalayan range.
Published Ghostlike dusty galaxy reappears in James Webb Space Telescope image
(via sciencedaily.com) Original source Astronomers studying images from the James Webb Space Telescope have identified an object as a 'dusty star-forming galaxy' from nearly 1 billion years after the Big Bang. They have also discovered more than a dozen additional candidates, suggesting these galaxies might be three to 10 times as common as expected. If that conclusion is confirmed, it suggests the early universe was much dustier than previously thought.
Published Botany must feature more prominently on the school curriculum to promote awareness of climate change, study warns
(via sciencedaily.com) Original source Children must be taught more about the importance of plants if education about climate change and sustainability is to be effective, experts have warned.
Published Consensus needed on when global warming reaches 1.5°C
(via sciencedaily.com) Original source A team of scientists has emphasized that -- surprisingly -- there is currently no formally agreed way of defining the current level of global warming relevant to the Paris Agreement.
Published Meteorites likely source of nitrogen for early Earth
(via sciencedaily.com) Original source Micrometeorites originating from icy celestial bodies in the outer Solar System may be responsible for transporting nitrogen to the near-Earth region in the early days of our solar system.
Published A new possible explanation for the Hubble tension
(via sciencedaily.com) Original source The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values. This so-called 'Hubble tension' poses a puzzle for cosmologists. Researchers are now proposing a new solution: Using an alternative theory of gravity, the discrepancy in the measured values can be easily explained -- the Hubble tension disappears.
Published Ash can fertilize the oceans
(via sciencedaily.com) Original source Flames roared through Santa Barbara County in late 2017. UC Santa Barbara canceled classes, and the administration recommended donning an N95, long before the COVID pandemic made the mask a household item. Smoke and ash choked the air, but the Thomas Fire's effects weren't restricted to the land and sky. Huge amounts of ash settled into the oceans, leaving researchers to wonder what effect it might have on marine life.
Published Study identifies key algae species helping soft corals survive warming oceans
(via sciencedaily.com) Original source During a two-year survey of soft corals in the Florida Keys, scientists identified three species of octocorals that have survived heat waves. While the coral animal itself may be heat tolerant, scientists concluded that the symbiotic algae inside the coral serve as a protector of sorts.
Published Discovery of planet too big for its sun throws off solar system formation models
(via sciencedaily.com) Original source The discovery of a planet that is far too massive for its sun is calling into question what was previously understood about the formation of planets and their solar systems.
Published Rocky planets can form in extreme environments
(via sciencedaily.com) Original source Astronomers have provided the first observation of water and other molecules in the highly irradiated inner, rocky-planet-forming regions of a disk in one of the most extreme environments in our galaxy. These results suggest that the conditions for terrestrial planet formation can occur in a possible broader range of environments than previously thought.