First optical measurements of Milky Way’s Fermi Bubbles probe their origin

View of Milky Way (stock image).Credit: © Matthew / stock.adobe.com Using the Wisconsin H-Alpha Mapper telescope, astronomers have for the first time measured the Fermi Bubbles in the visible light spectrum. The Fermi Bubbles are two enormous outflows of high-energy gas that emanate from the Milky Way and the finding refines our understanding of the […]

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Researchers document the first use of maize in Mesoamerica

Corn varieties (stock image).Credit: © Akarawut / stock.adobe.com An international team of researchers investigated the earliest humans in Central America and how they adapted over time to new and changing environments, and how those changes have affected human life histories and societies.advertisement Almost any grocery store is filled with products made from corn, also known […]

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‘Poisoned arrow’ defeats antibiotic-resistant bacteria

Staphylococcus aureus illustration (stock image).Credit: © nobeastsofierce / stock.adobe.com Poison is lethal all on its own — as are arrows — but their combination is greater than the sum of their parts. A weapon that simultaneously attacks from within and without can take down even the strongest opponents, from E. coli to MRSA (methicillin resistant Staphylococcus aureus).advertisement […]

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Discovery of ancient super-eruptions indicates the Yellowstone hotspot may be waning

Grand Prismatic Spring in Yellowstone National Park (stock image).Credit: © gottsfam / stock.adobe.com Throughout Earth’s long history, volcanic super-eruptions have been some of the most extreme events ever to affect our planet’s rugged surface. Surprisingly, even though these explosions eject enormous volumes of material — at least 1,000 times more than the 1980 eruption of […]

Read More Discovery of ancient super-eruptions indicates the Yellowstone hotspot may be waning

Scientists find highest ever level of microplastics on seafloor

Microplastics in water (stock image).Credit: © dottedyeti / Adobe Stock An international research project has revealed the highest levels of microplastic ever recorded on the seafloor, with up to 1.9 million pieces in a thin layer covering just 1 square metre.advertisement Over 10 million tons of plastic waste enters the oceans each year. Floating plastic waste […]

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4-billion-year-old nitrogen-containing organic molecules discovered in Martian meteorites

Mars illustration (stock image; elements furnished by NASA).Credit: © grejak / Adobe Stock A research team including research scientist Atsuko Kobayashi from the Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology, Japan and research scientist Mizuho Koike from the Institute of Space and Astronautical Science at Japan Aerospace Exploration Agency, have found nitrogen-bearing organic material […]

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Feeling burned out? The contributors could be more related to depression than you think

An article published in the Journal of General Internal Medicine looks at the relationship between burnout and depressive symptoms in medical interns.advertisement The article is authored by Constance Guille, M.D., an associate professor in the Department of Psychiatry and Behavioral Sciences at the Medical University of South Carolina, and Lisa Rotenstein, M.D., an internal medicine resident at […]

Read More Feeling burned out? The contributors could be more related to depression than you think

Eye contact activates the autonomic nervous system even during video calls

A new study from Tampere University in Finland found that eye contact during video calls can elicit similar psychophysiological responses than those in genuine, in-person eye contact.advertisement Videoconferencing has become more commonplace than ever. Particularly now as the coronavirus pandemic limits social interactions, people are relying on video calls to connect with friends and family […]

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‘Bursty’ email communication helps groups convert resources into results

Many organizations arrange employees into groups, and research has recognized the importance of groups having access to resources (e.g., labor, knowledge, raw materials, technology, financial capital), as well as how they use those resources to ensure optimal performance. These studies have shown that groups with the same resources vary in how they use what is […]

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