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Researcher studies mystical gemstones with a future in space exploration
Science News

Researcher studies mystical gemstones with a future in space exploration

Ph.D. candidate Natalia Seliutina has followed gemstones from the -30° temperatures of Siberia to the carving studios of Ōtepoti and the particle accelerators of Taiwan in her quest to discover why pounamu is one of the toughest natural materials on Earth. Fresh from the publication of Natalia's paper in the New Zealand Journal of Geology and Geophysics, Kathryn van Beek catches up with her to find out how understanding the properties of pounamu might one day help us explore space.

📅 2026-09-22 00:40:01    •    Phys.org
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Urban segregation study traces how history and ecology shape inequality in southern Chile
Science News

Urban segregation study traces how history and ecology shape inequality in southern Chile

Segregation is a multidimensional phenomenon deeply intertwined with historical, social and ecological contexts. Yet this more integrated perspective has received limited attention in the Global South. A recent study focusing on the city of Valdivia offers an exception, examining three key historical moments: colonization, the devastating 1960 earthquake and current struggles to protect urban wetlands.

📅 2026-09-22 00:00:01    •    Phys.org
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Cyanobacterium found in clean lakes shows little toxic potential
Science News

Cyanobacterium found in clean lakes shows little toxic potential

Gloeotrichia echinulata is a type of cyanobacterium that draws scrutiny because it tends to bloom in clear lakes, forming thick mats of visible green or white puffballs in otherwise clean water. Because of the slew of toxic compounds cyanobacteria can produce, blooms (historically called "blue-green algae") are of growing global concern. Yet, a new study by researchers at Bigelow Laboratory for Ocean Sciences and Oregon State University suggests this particular species might not deserve its maligned reputation.

📅 2026-09-21 23:20:04    •    Phys.org
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World Cup viewers exposed to junk food, alcohol and gambling branding every 7 seconds, study finds
Science News

World Cup viewers exposed to junk food, alcohol and gambling branding every 7 seconds, study finds

More than 93,000 visible appearances of brands promoting unhealthy food and drink, alcohol, gambling and speculative products were recorded during coverage of the largest FIFA World Cup in history, new research has found. Unhealthy food and drink brands accounted for more than seven in 10, with 65,722 appearances.

📅 2026-09-21 23:00:04    •    Phys.org
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Eat, prey, love: Nurse shark mating and Northeast angler conflicts offer conservation insights
Science News

Eat, prey, love: Nurse shark mating and Northeast angler conflicts offer conservation insights

While the Discovery Channel's annual Shark Week event has given the public greater familiarity with sharks, much about them—from their mysterious love lives to how their eating habits bring them into conflict with recreational anglers—remains a mystery to scientists. Now, two new studies led by researchers from the University of Massachusetts Amherst peer into these important aspects of shark biology to help guide real-world conservation strategies.

📅 2026-09-21 23:00:01    •    Phys.org
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Jupiter uses a surprisingly complex system to fend off particles from the sun
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Jupiter uses a surprisingly complex system to fend off particles from the sun

A University of Iowa-led research team has reported in a new study the most detailed observations to date of the bow shock at Jupiter, our solar system's gas giant. The findings from NASA's Juno mission reveal key differences between Jupiter's bow shock and Earth's. They also may lead to a better understanding of the physics of how shocks function in even more powerful energy releases, such as those from dying stars. The research is published in Nature Communications.

📅 2026-09-21 22:40:05    •    Phys.org
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Centenarian sea cucumbers at risk of overfishing
Science News

Centenarian sea cucumbers at risk of overfishing

Marine scientists have been amazed to discover an endangered sea cucumber can live for decades, with some animals living more than 100 years, in a first-of-its-kind genetic mark-recapture study. Australian Institute of Marine Science (AIMS) Senior Principal Research Scientist Dr. Sven Uthicke said the findings suggested black teatfish sea cucumber populations recover much more slowly than previously thought and that this had implications for commercial fishery catch limits.

📅 2026-09-21 22:40:02    •    Phys.org
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What are you most excited for NASA's Roman Space Telescope to find?
Science News

What are you most excited for NASA's Roman Space Telescope to find?

Related storiesNewly confirmed 'baby planet' is the youngest alien world scientists have ever discovered60 million stars: Euclid space telescope snaps the most detailed photo of the Milky Way ever takenAn 'impossible' black hole merger may finally be solved thanks to Einstein's relativity — but it raises an even bigger mysteryNASA's latest space telescope has officially taken its first photos of our universe. Launched on Aug. 30, the Nancy Grace Roman Telescope is on its way to Lagrange point L2, a "parking spot" in space about a million miles (1.6 million kilometers) from Earth where it will begin scanning deep space. Using its 300-megapixel camera, Roman captured hundreds of stars as green...

📅 2026-09-21 22:20:36    •    Live Science
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Archaeologists uncover centuries-old mystery of Tampa Bay's secret community of migrant potters
Science News

Archaeologists uncover centuries-old mystery of Tampa Bay's secret community of migrant potters

About 100 years ago, archaeologists unearthing pottery sherds in Tampa Bay found something unexpected. Some of the fragments they recovered had designs nearly identical to decorated pottery found hundreds of miles to the north. At least on the surface, the pottery appeared to be Mississippian, a culture that emerged more than 1,000 years ago and brought social, economic and political transformation across southeastern North America. For years, archaeologists excluded peninsular Florida from maps of its range, but the artifacts suggested a different story.

📅 2026-09-21 22:20:03    •    Phys.org
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A new way to see inside a hurricane
Science News

A new way to see inside a hurricane

Researchers at The University of Texas at Arlington have created a mathematical model to identify and analyze vortices, the rotating structures at the heart of hurricanes. The National Oceanic and Atmospheric Administration is now using the model to monitor hurricane development worldwide.

📅 2026-09-21 22:20:01    •    Phys.org
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From spider webs to mosaics: How nanosheets of graphene oxide control the patterns left by a drying droplet
Science News

From spider webs to mosaics: How nanosheets of graphene oxide control the patterns left by a drying droplet

A drop of coffee on a tabletop often leaves a dark ring behind. This everyday mark is a reminder that a drying droplet is not passive: As water evaporates, it can transport the particles suspended inside it toward the edge. Scientists call this the coffee-ring effect. For inkjet printing and surface coatings, however, a ring is often exactly what engineers do not want. They need the material to land in a controlled, predictable pattern.

📅 2026-09-21 22:00:05    •    Phys.org
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Dads of daughters may be more attentive partners
Science News

Dads of daughters may be more attentive partners

Children can be hard on a relationship, but some kids can bring parents closer together. Research from Rutgers University has found that often, it is girls who inspire closer parental bonds. In a study published in Personality and Individual Differences, scholars at Rutgers Business School's Center for Women in Business report that fathers of daughters show higher levels of attachment, commitment, trust and intimacy toward the child's mother than fathers of sons.

📅 2026-09-21 22:00:02    •    Phys.org
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Two new large stick insect species discovered in Australia's backyards and rainforests
Science News

Two new large stick insect species discovered in Australia's backyards and rainforests

Insect "detectives" have discovered two new types of large stick insects, showing scientists are still uncovering new species in some of Australia's most well-studied landscapes. Researchers at the University of Sydney have revised the Australian representatives of the stick insect genus Anchiale, identifying two new species, one with unique "lidded" eggs. They also reinstated a third species that had been hidden in plain sight for decades.

📅 2026-09-21 21:40:01    •    Phys.org
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New screening method finds rare DNA gyrase poison for future antibiotics
Science News

New screening method finds rare DNA gyrase poison for future antibiotics

The goal was to build a faster way to search for new antibiotics. The search turned up something unexpected. FIU biochemistry professor Fenfei Leng and a group of researchers set out to develop the first high-throughput screening method specifically designed to identify compounds that can poison bacterial DNA gyrase, an enzyme that bacteria need to survive.

📅 2026-09-21 21:20:01    •    Phys.org
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Student-led missions deploy free-flying light sails from CubeSats in low Earth orbit
Science News

Student-led missions deploy free-flying light sails from CubeSats in low Earth orbit

Students in Cornell's Space Systems Design Studio (SSDS) have released mission results for two unique light-sail experiments. These sails are slightly larger than a pizza box and harness momentum from photons to accelerate to high velocities. With ChipSats onboard—gram-scale spacecraft that fit in the palm of your hand—the sails can become free-flyers. They origami-fold into CubeSats for launch and completely separate when deployed, allowing them to be far smaller and lighter than traditional solar sails. The ChipSats provide all ground communications and steering capabilities for a fraction of the mass and cost.

📅 2026-09-21 21:10:02    •    Phys.org
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One effort to safeguard humanity: AI ‘constitutions’
Research Institutions

One effort to safeguard humanity: AI ‘constitutions’

Science & Tech One effort to safeguard humanity: AI ‘constitutions’ Neerav Kingsland (left), Jordi Weinstock, Jack Cushman, and Mahzarin Banaji. Photo by Grace DuVal Max Larkin Harvard Staff Writer September 21, 2026 8 min read Berkman Klein Center heard calls to keep models ‘honest, helpful, harmless.’ It’s a work in progress. In one formulation, any human constitution is just a set of guardrails to prevent the misuse of power. As Thomas Jefferson put it in 1798, “Let no more be heard of confidence in man, but bind him down from mischief by the chains of the constitution.” The intervening 228 years have shown the chains of the U.S. Constitution to leave room for various kinds of human misch...

📅 2026-09-21 21:01:56    •    Harvard Gazette
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