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Posted inSci/Tech

Seeds sent into space by NASA, Forest Service return to Earth, create new generation of “Moon Trees”

Kayla Herriman is x-raying tree seeds that recently traveled 40,000 miles beyond the far side of the moon. The seeds completed their epic journey on NASA’s Orion spacecraft as part of the NASA’s Artemis program. USDA Forest Service scientists, including Herriman, now want to know how space travel may have affected the seeds. “This X-ray […]

Posted inSci/Tech

NASA Space Mission Takes Stock of Carbon Dioxide Emissions by Countries

A NASA Earth-observing satellite has helped researchers track carbon dioxide emissions for more than 100 countries around the world. The pilot project offers a powerful new look at the carbon dioxide being emitted in these countries and how much of it is removed from the atmosphere by forests and other carbon-absorbing “sinks” within their borders. The […]

Posted inSci/Tech

Sexual minority families fare as well as, and in some ways better than, ‘traditional’ ones

March 6, 2023 – Sexual minority families—where parental sexual orientation or gender identity is considered outside cultural, societal, or physiological norms—fare as well as, or better than, ‘traditional’ families with parents of the opposite sex, finds a pooled data analysis of the available evidence, published in the open access journal BMJ Global Health. Parental sexual orientation […]

Posted inSci/Tech

Sea level rise poses particular risk for Asian megacities

Sea level rise this century may disproportionately affect certain Asian megacities as well as western tropical Pacific islands and the western Indian Ocean, according to new research that looks at the effects of natural sea level fluctuations on the projected rise due to climate change. The study, led by scientists at the French National Center […]

Posted inSci/Tech

How fish evolved to walk – and in one case, turned into humans

3D rendering of the tiktaalik, an extinct walking fish. Dotted Yeti/Shutterstock Chris Organ, University of Reading When you think about human evolution, there’s a good chance you’re imagining chimpanzees exploring ancient forests or early humans daubing woolly mammoths on to cave walls. But we humans, along with bears, lizards, hummingbirds and Tyrannosaurus rex, are actually […]

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Webb telescope spots super old, massive galaxies that shouldn’t exist

February 22, 2023 – In a new study, an international team of astrophysicists has discovered several mysterious objects hiding in images from the James Webb Space Telescope: six potential galaxies that emerged so early in the universe’s history and are so massive they should not be possible under current cosmological theory. Each of the candidate […]

Posted inSci/Tech

Study of US hydroelectric dams shows benefits to local economies decline with improvements in transmission capabilities

February 16, 2023 – Large-scale infrastructure projects can profoundly affect local economies, but assessing these effects is challenging. In a new study, a researcher evaluated all large-scale hydroelectric dams built in the United States in the 20th century. He found that dams constructed in the first half of the century spurred short- and long-term growth, […]

Posted inSci/Tech

Most people hospitalized with the flu have a chronic illness

ARLINGTON, VA, CHICAGO and DALLAS, February 6, 2023 — Leading health organizations are urging people to get a flu shot if they haven’t already done so. Compared to last year’s mild flu season,[1] the U.S. has already seen more than three times the number of flu-related deaths.[2] While seasonal influenza activity shows a declining trend,[3] flu season is expected to […]

Posted inSci/Tech

SalpPOOP Study Highlights Biogeochemical Importance of Zooplankton Fecal Pellets

February 2, 2023 – Microscopic plants called phytoplankton have gained scientific fame for their key role in transferring carbon from the atmosphere to the ocean, but they now may need to share their spotlight with salps, the jelly-like organisms that feed on them. The ocean is a major reservoir of carbon, absorbing large quantities of […]

Posted inSci/Tech

Human activity has degraded more than a third of the remaining Amazon rainforest, scientists find

January 26, 2023 – The Amazon rainforest has been degraded by a much greater extent than scientists previously believed with more than a third of remaining forest affected by humans, according to a new study published on January 27 in the journal Science. The paper was led by an international team of 35 scientists and researchers, from institutions such […]

Posted inSci/Tech

Health impact of chemicals in plastics is handed down two generations

January 26, 2023 – Fathers exposed to chemicals in plastics can affect the metabolic health of their offspring for two generations, a University of California, Riverside, mouse study reports. Plastics, which are now ubiquitous, contain endocrine disrupting chemicals, or EDCs, that have been linked to increased risk of many chronic diseases; parental exposure to EDCs, for example, […]

Posted inSci/Tech

Asteroid findings from specks of space dust could save the planet

Curtin University-led research into the durability and age of an ancient asteroid made of rocky rubble and dust, revealed significant findings that could contribute to potentially saving the planet if one ever hurtled toward Earth. The international team studied three tiny dust particles collected from the surface of ancient 500-metre-long rubble pile asteroid, Itokawa, returned […]

Posted inSci/Tech

Heat and drought have ‘significant influence’ on food security and agricultural production, new review argues

January 17, 2023 – Heat and drought are the utmost limiting abiotic factors which pose a major threat to food security and agricultural production and are exacerbated by ‘extreme and rapid’ climate change, according to a new paper in CABI Reviews. The team of international scientists suggest that it is critical to understand the biochemical, ecological […]

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