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Ancient Hox code reveals the developmental roots of vertebrate hind fins and limbs

Paired appendages—the pectoral and pelvic fins of fishes and the forelimbs and hindlimbs of tetrapods—were a major innovation in vertebrate evolution. Their emergence greatly expanded the ways vertebrates could move through their environments and ultimately provided the developmental foundation for the evolution of limbs. Yet how the genetic system responsible for building paired appendages was assembled during evolution remains an unresolved question.

📅 2026-10-19 14:00:22 • Phys.org

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Parents put fairness first when helping children buy their first home

New Curtin University research has found parents want to treat their children equally when helping them buy their first home.

📅 2026-10-19 14:00:06 • Phys.org

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What evolved first—our brain or gut?

What if the brain evolved to serve the gut? Scientists at Flinders University are challenging a cornerstone of biology, arguing that the gut's nervous system may be the body's original "brain," with the brain evolving later to support its needs.

📅 2026-10-19 13:40:06 • Phys.org

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Plasmonic coating on bacterial surfaces paves the way for rapid sepsis diagnosis

A research team led by senior researcher Minyoung Lee and principal researcher Sunggyu Park of the Advanced Bio and Healthcare Materials Research Division at the Korea Institute of Materials Science (KIMS), has developed a label-free surface-enhanced Raman scattering (SERS) analysis technology that rapidly detects extremely low concentrations of viable bacteria by directly growing plasmonic metal nanostructures on and around bacterial cells.

📅 2026-10-19 13:40:01 • Phys.org

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Indonesia fires have burned nearly 2 million hectares: Monitor

Fires in Indonesia that have caused a regional haze crisis burned through over 1.9 million hectares (4.7 million acres) between January and the end of September this year, a monitor analyzing satellite imagery said on Monday.

📅 2026-10-19 13:29:48 • Phys.org

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How bacteria survive in a world full of killer bacteriophages

Humans throughout history have invented a variety of ways to fight back against troublesome bacteria. But bacteria live in a dangerous world too. The human body and other bacteria-rich environments abound with bacteriophages, or viruses that prey upon bacteria. Phages can sometimes outnumber bacteria a hundredfold, yet the bacteria endure and even thrive. What gives?

📅 2026-10-19 13:20:08 • Phys.org

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Enigmatic Mercury will remain a puzzle until someone sends a lander

Mercury remains one of our solar system's most elusive and difficult planets to study. It's easier to send probes to the icy moons of Saturn or Jupiter, or even to Pluto, than to land on our innermost planet, Mercury.

📅 2026-10-19 13:20:02 • Phys.org

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Alaska’s monster tsunami sent water 1,580 feet up a mountain

A massive landslide in Alaska triggered the second-highest tsunami ever recorded, sending water and debris 1,580 feet up a mountainside just hours after tourists visited the area. Scientists discovered that the disaster was preceded by several warning signs, including rapid glacier retreat, heavy rainfall, and thousands of tiny seismic tremors. As glaciers retreat, similar disasters could become a growing danger in mountainous coastal regions.

📅 2026-10-19 13:09:18 • ScienceDaily

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Teaching financial literacy—key to preventing underinsurance

James Cook University researchers are calling for greater attention to financial literacy in schools after a new study found that people with a strong understanding of personal insurance were more likely to engage with insurance products.

📅 2026-10-19 13:00:01 • Phys.org

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Japan’s sample return mission to Phobos may also collect some Mars dust

Japan’s MMX mission will be the first to the moons of Mars and it aims to bring back precious rock samples — perhaps even indirectly from Mars.

📅 2026-10-19 13:00:00 • Science News

Science News

Why some people escape Alzheimer’s despite carrying a high-risk gene

Scientists have discovered why some people with a high genetic risk of Alzheimer’s remain mentally sharp into their 80s, uncovering a rare mutation that protects the brain from harmful protein buildup. The findings reveal a potential new way to prevent early brain damage and could pave the way for treatments that mimic this natural defense.

📅 2026-10-19 12:57:02 • ScienceDaily

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Early heat and drought stress can have lasting effects on corn growth

A brief period of heat and drought early in a corn plant's life can affect its growth and flowering months after the stress ends, according to new research from the Donald Danforth Plant Science Center and the University of Minnesota. The findings could help guide efforts to develop crops better equipped to withstand hot, dry growing conditions.

📅 2026-10-19 12:40:02 • Phys.org

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