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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
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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
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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
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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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Plasma technology could help plant-based packaging replace plastic
Science News

Plasma technology could help plant-based packaging replace plastic

A new study has found a sustainable and scalable way to improve the durability of plant-based packaging; it's a discovery that researchers say could help curb the environmental footprint of plastic. Researchers used advanced plasma technology to apply layered, protective coatings to the surface of cellulosic nanofibril (CNF) films, with the goal of reducing water absorption and improving moisture resistance.

📅 2026-09-21 20:40:07    •    Phys.org
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Early Mars rocks reveal at least three separate water episodes
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Early Mars rocks reveal at least three separate water episodes

When NASA's Perseverance rover reached the inner edge of Mars' Jezero Crater in September 2023, mission scientists were surprised by what they found. The geologic area, called the "Margin Unit," stretches along the shoreline of an ancient Martian lake, so they expected sedimentary rocks, which would have formed as layers of sand piled on top of each other over millennia. Composed of clay and silt, sedimentary rocks on Earth are good at preserving past microbial life. The scientists were especially intrigued by strong signals of carbonate minerals detected by Mars orbiters. On Earth, carbonates frequently form in shallow ocean and lake environments capable of supporting life.

📅 2026-09-21 20:30:01    •    Phys.org
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Engineered nanoparticles sensitize gliomas to radiotherapy
Science News

Engineered nanoparticles sensitize gliomas to radiotherapy

Gliomas are a major cause of cancer-related deaths in younger adults. About 7,000 patients harbor a common genetic mutation that affects the enzyme isocitrate dehydrogenase 1. This mutated enzyme, called mIDH1, can produce a molecule that can reprogram both the tumor cells and the environment in which they grow. The molecule, known as 2-hydroxyglutarate, can also circulate in the blood and reprogram immune cells in the bone marrow.

📅 2026-09-21 20:20:01    •    Phys.org
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Spaceflight may harm the reproductive system of astronauts' kids and grandkids, early mouse study suggests
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Spaceflight may harm the reproductive system of astronauts' kids and grandkids, early mouse study suggests

Lab mice who spend time in space seem to bear offspring with reduced reproductive capacity, a new study suggests. But what that might mean for human astronauts and their families is still unclear.The research, published June 30 in the journal PNAS, looked at female mice that had spent extended periods on the International Space Station (ISS). These mice had similar levels of fertility as Earth-bound mice. However, their children and grandchildren produced smaller-than-average litters, had fewer litters overall and had lower levels of key reproductive hormones, among other measurable differences. "The offspring of those that came back from space were altered in their behavior, their muscle, t...

📅 2026-09-21 20:10:00    •    Live Science
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Definition of dyslexia updated for first time in 20 years
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Definition of dyslexia updated for first time in 20 years

A Texas A&M University researcher helped shape the first major update in more than two decades to the International Dyslexia Association's definition of dyslexia. The revised definition reflects advances in dyslexia research and could influence how schools, policymakers and others identify and support students with learning disabilities.

📅 2026-09-21 20:00:04    •    Phys.org
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Earth's center of mass drifts less than we thought
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Earth's center of mass drifts less than we thought

Where is Earth's center of mass? The answer seems trivially obvious. It's right in the middle of the planet. Ah, but that kind of thinking won't get you a paper in the Geophysical Journal International. It's also not a trivial question. Knowing Earth's center of mass to within millimeters reveals some interesting facts about our planet.

📅 2026-09-21 19:40:06    •    Phys.org
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