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ScienceDaily: Latest Science News |
| Posted: 06 Sep 2021 08:13 AM PDT After examining the blood samples from nearly 200 COVID-19 patients, researchers have uncovered underlying metabolic changes that regulate how immune cells react to the disease. These changes are associated with disease severity and could be used to predict patient survival. |
| Hydrogen-burning white dwarfs enjoy slow aging Posted: 06 Sep 2021 08:13 AM PDT Could dying stars hold the secret to looking younger? New evidence suggests that white dwarfs could continue to burn hydrogen in the final stages of their lives, causing them to appear more youthful than they actually are. This discovery could have consequences for how astronomers measure the ages of star clusters. |
| Astronomers explain origin of elusive ultradiffuse galaxies Posted: 06 Sep 2021 08:13 AM PDT As their name suggests, ultradiffuse galaxies, or UDGs, are dwarf galaxies whose stars are spread out over a vast region, resulting in extremely low surface brightness, making them very difficult to detect. An international team of astronomers reports it has used sophisticated simulations to detect a few 'quenched' UDGs in low-density environments in the universe. A quenched galaxy is one that does not form stars. |
| Posted: 06 Sep 2021 06:10 AM PDT Over 200 health journals across the world have come together to simultaneously publish an editorial calling on world leaders to take emergency action to limit global temperature increases, halt the destruction of nature, and protect health. |
| Hummingbirds can smell their way out of danger Posted: 06 Sep 2021 06:10 AM PDT In less time than it takes to read this sentence, hummingbirds can catch a whiff of potential trouble. That's the result of new research showing, contrary to popular belief, the tiny birds do have an active sense of smell. |
| Threat of catastrophic supervolcano eruptions is ever-present Posted: 03 Sep 2021 05:59 AM PDT Scientists have studied an ancient supervolcano in Indonesia and found such volcanoes remain active and hazardous for thousands of years after a super-eruption, prompting the need for a rethink of how these potentially catastrophic events are predicted. |
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