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ScienceDaily: Top Environment News |
| Protect habitat ‘stepping stones’ to help species cope with climate change Posted: 26 Aug 2021 08:17 AM PDT Safe passages for species adapting to climate change aren't always being protected, a new study warns. |
| Secrets of COVID-19 transmission revealed in turbulent puffs Posted: 26 Aug 2021 08:17 AM PDT Researchers have developed a new model that explains how turbulent puffs, like coughs, behave under different environmental conditions. They found that at environmental temperatures 15°C or lower, the puffs behaved with newly observed dynamics, showing more buoyancy and traveling further. Their findings could help scientists better predict how turbulence and the environment affect airborne transmission of viruses like SARS-CoV-2. |
| Volcanic eruptions may have spurred first ‘whiffs’ of oxygen in Earth’s atmosphere Posted: 26 Aug 2021 08:17 AM PDT A new analysis of 2.5-billion-year-old rocks from Australia finds that volcanic eruptions may have stimulated population surges of marine microorganisms, creating the first puffs of oxygen into the atmosphere. This would change existing stories of Earth's early atmosphere, which assumed that most changes in the early atmosphere were controlled by geologic or chemical processes. |
| Tropical forest vulnerability index Posted: 26 Aug 2021 08:17 AM PDT New research will detect and evaluate the vulnerability of global tropical rainforests by focusing specifically on threats from changes to land-use and climate. |
| Female hummingbirds avoid harassment by looking as flashy as males Posted: 26 Aug 2021 08:16 AM PDT Much like in human society, female hummingbirds have taken it into their own hands to avoid harassment. By watching white-necked Jacobin hummingbirds in Panama, researchers discovered that over a quarter of females have the same brightly colored ornamentation as males, which helps them avoid aggressive male behaviors during feeding, such as pecking and body slamming. |
| Plants evolved ability to actively control water-loss earlier than previously thought Posted: 26 Aug 2021 08:16 AM PDT New research has shed light on when plants first evolved the ability to respond to changing humidity in the air around them, and was probably a feature of a common ancestor of both flowering plants and ferns. |
| Fewer El Niño and La Niña events in a warmer world Posted: 26 Aug 2021 08:16 AM PDT The cycling between warm El Niño and cold La Niña conditions in the eastern Pacific has persisted without major interruptions for at least the last 11,000 years. This may change in the future. |
| New study unveils thermoelectric ink that turns car exhaust pipes into power generators Posted: 26 Aug 2021 06:50 AM PDT A recent study has resulted in the development of a thermoelectric technology method to produce power-generating tubes using 3D printing techniques. |
| Carnivore interactions are a game of risk and reward Posted: 26 Aug 2021 06:50 AM PDT Coyotes can eat by scavenging cougars' prey but it's a risky proposition as coyotes often end up killed by cougars too, a new study of predator interactions shows. |
| Underlying instincts: An appetite for survival Posted: 26 Aug 2021 06:50 AM PDT Microscopic roundworms may hold the key to understanding what is happening in the brain when the instinct of an animal changes in order to survive. |
| Artificial intelligence to help predict Arctic sea ice loss Posted: 26 Aug 2021 05:17 AM PDT A new AI (artificial intelligence) tool is set to enable scientists to more accurately forecast Arctic sea ice conditions months into the future. The improved predictions could underpin new early-warning systems that protect Arctic wildlife and coastal communities from the impacts of sea ice loss. |
| Men and women of Roman Herculaneum had different diets, new research shows Posted: 25 Aug 2021 11:31 AM PDT Archaeologists examining the Herculaneum skeletal remains of the victims of Vesuvius say they have helped shed new light on the eating habits of ancient Romans -- with food differentiated along gender lines and revealing women ate more animal products and locally grown fruit and vegetables while the men dined on more expensive fish. |
| Engineering new cell functionalities on thin films Posted: 25 Aug 2021 11:30 AM PDT Researchers have developed a method to engineer new functionalities into cells. |
| Scientists turn pollen into 3D printing ink for biomedical applications Posted: 25 Aug 2021 11:30 AM PDT Scientists have found a way to use sunflower pollen to develop a 3D printing ink material that could be used to fabricate parts useful for tissue engineering, toxicity testing and drug delivery. |
| Researcher discovers ‘neck-like’ vertebral motion in fish Posted: 24 Aug 2021 04:44 PM PDT A researcher has discovered that fish can bend their spines and heads upwards, despite having different anatomy from humans and other land-dwelling vertebrates. |
| Building a better vaccine for SARS CoV-2 Posted: 24 Aug 2021 02:44 PM PDT New research shows that hamsters inoculated with spike protein gene mutants show resistance to subsequent infection with both the parental strain and the currently emerging SARS-CoV-2 alpha and gamma variants. |
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