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| Posted: 26 Jul 2021 02:03 PM PDT A 15-center study of 175 patients with poorly controlled type 2 diabetes found that continuous glucose monitoring, compared to blood glucose meter monitoring, or finger pricking, significantly decreased their hemoglobin A1C over eight months. |
| What happens to marine life when oxygen is scarce? Posted: 26 Jul 2021 01:58 PM PDT In September of 2017, marine biologists were conducting an experiment in Bocas del Toro, off the Caribbean coast of Panama. After sitting on a quiet, warm open ocean, they snorkeled down to find a peculiar layer of murky, foul-smelling water about 10 feet below the surface, with brittle stars and sea urchins, which are usually in hiding, perching on the tops of coral. This observation prompted a collaborative study analyzing what this foggy water layer is caused by, and the impact it has on life at the bottom of the seafloor. |
| Scientists model 'true prevalence' of COVID-19 throughout pandemic Posted: 26 Jul 2021 12:28 PM PDT Scientists have developed a statistical framework that incorporates key COVID-19 data -- such as case counts and deaths due to COVID-19 -- to model the true prevalence of this disease in the United States and individual states. Their approach projects that in the U.S. as many as 60 percent of COVID-19 cases went undetected as of March 7, 2021, the last date for which the dataset they employed is available. |
| Supernova's 'fizzled' gamma-ray burst Posted: 26 Jul 2021 11:48 AM PDT On Aug. 26, 2020, NASA's Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that had been racing toward Earth for nearly half the present age of the universe. Lasting only about a second, it turned out to be one for the record books -- the shortest gamma-ray burst (GRB) caused by the death of a massive star ever seen. |
| Hubble finds evidence of water vapor at Jupiter's moon Ganymede Posted: 26 Jul 2021 10:21 AM PDT Astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter's moon Ganymede. This water vapor forms when ice from the moon's surface sublimates -- that is, turns from solid to gas. Astronomers re-examined Hubble observations from the last two decades to find this evidence of water vapor. |
| Second COVID-19 mRNA vaccine dose found safe following allergic reactions to first dose Posted: 26 Jul 2021 08:39 AM PDT A new study reports that among individuals who had an allergic reaction to their first mRNA COVID-19 vaccine dose, all who went on to receive a second dose tolerated it. Even some who experienced anaphylaxis following the first dose tolerated the second dose. |
| Brain's 'memory center' needed to recognize image sequences but not single sights Posted: 26 Jul 2021 08:39 AM PDT The visual cortex stores and remembers individual images, but when they are grouped into a sequence, mice can't recognize that without guidance from the hippocampus, according to a new study. |
| Plant root-associated bacteria preferentially colonize their native host-plant roots Posted: 26 Jul 2021 08:39 AM PDT Researchers have discovered that bacteria from the plant microbiota are adapted to their host species. They show how root-associated bacteria have a competitive advantage when colonizing their native host, which allows them to invade an already established microbiota. |
| Improving air quality reduces dementia risk, multiple studies suggest Posted: 26 Jul 2021 08:39 AM PDT Improving air quality may improve cognitive function and reduce dementia risk, according to several recent studies. |
| Extreme heat, dry summers main cause of tree death in Colorado's subalpine forests Posted: 26 Jul 2021 07:21 AM PDT Even in the absence of bark beetle outbreaks and wildfire, trees in Colorado subalpine forests are dying at increasing rates from warmer and drier summer conditions, found recent research. |
| Meeting global climate targets will lead to 8 million more energy jobs worldwide by 2050 Posted: 26 Jul 2021 07:21 AM PDT Researchers created a global dataset of job footprints in 50 countries and used a model to investigate how trying to meet the Paris Agreement global climate target of staying well below 2°C would affect energy sector jobs. They found that action to reach said target would increase net jobs by about 8 million by 2050, primarily due to gains in the solar and wind industries. |
| Function of sex chromosomes in turtles Posted: 26 Jul 2021 07:21 AM PDT A new study sheds light on how organisms have evolved to address imbalances in sex chromosomes. The study looks at a species of softshell turtle, but the results could help to illuminate an important evolutionary process in many species. The research centers on a process known as sex chromosome dosage compensation. |
| Two types of blood pressure meds prevent heart events equally, but side effects differ Posted: 26 Jul 2021 07:21 AM PDT In an analysis of almost 3 million patients taking a single high blood pressure medication for the first time, angiotensin receptor blockers (ARBs) were as good as angiotensin-converting enzyme (ACE) inhibitors at preventing cardiovascular events linked to hypertension, including heart attack, stroke and heart failure. 51 possible side effects and safety concerns were examined: The patients taking ARBs were found to be significantly less likely to develop tissue swelling, cough, pancreas inflammation and bleeding in the digestive tract. |
| Juicy past of favorite Okinawan fruit revealed Posted: 26 Jul 2021 07:21 AM PDT A genetic analysis of fruit in the mandarin family has unraveled a complex journey from the mountainous region of southern China to the markets of Okinawa. |
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