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Phys.org / If the Laschamps geomagnetic excursion happened today, aviation radiation exposure would be radically altered

Earth's magnetic field acts as a vital shield against radiation arriving from space, but it is not constant. A new international study has examined how a reduction of the magnetic field similar to the Laschamps excursion ...

Mar 25, 2026
Phys.org / The hidden cost of sperm storage: Ejaculates found to deteriorate across the animal kingdom

Current World Health Organization (WHO) guidelines typically recommend two to seven days of abstinence before taking semen samples or assisted reproduction. However, a new study led by Oxford University researchers suggests ...

Mar 24, 2026
Tech Xplore / Mach 1.5 tests reveal noise feedback loops from supersonic jets

Researchers from the FAMU-FSU College of Engineering and the Florida Center for Advanced Aero-Propulsion, or FCAAP, are helping to solve a safety challenge in military aviation: the extreme noise generated by supersonic jets ...

Mar 25, 2026
Medical Xpress / Why do some viruses linger for life? A 900,000-person study maps viral loads

Some viruses that make us sick are cleared by the immune system within days, while others lurk in our bodies for a lifetime and reemerge later to cause new problems. How and why viral levels in the body change over time—and ...

Mar 25, 2026
Phys.org / Finding order in disorder: New mechanism amplifies transverse electron transport

For decades, it has been widely believed that electrons move most efficiently in materials that are clean and highly ordered. Much like water flowing more easily through a smooth pipe, conventional wisdom has held that electrical ...

Mar 25, 2026
Phys.org / Is nectar naturally spiked? What widespread low-level ethanol could mean for pollinators

As bees and hummingbirds flit from flower to flower, greedily sipping nectar in exchange for pollination, the animals often get another treat: alcohol. In the first broad analysis of the alcohol content of flower nectars, ...

Mar 25, 2026
Phys.org / How the body senses cold has been a mystery—until now

When you reach into a bucket of ice, open your front door on a snowy day, or feel the tingle of menthol toothpaste, a protein in your nerve cells called TRPM8 springs into action, opening like a tiny gate to send a "cold" ...

Mar 25, 2026
Tech Xplore / Turning biomass into graphite could help the US secure a critical mineral supply

Soft, dark-gray graphite is not just useful in pencils: The highly conductive and heat-resistant mineral is uniquely suited for advanced manufacturing. Yet the United States imports nearly half of the graphite it needs to ...

Mar 25, 2026
Phys.org / Protein modification discovery opens cancer therapy possibilities

A research team led by Purdue University's W. Andy Tao has discovered a new type of protein modification related to cellular mutation that impairs a crucial enzyme's ability to help drive energy processes. Their discovery, ...

Mar 25, 2026
Phys.org / Importance of sublimation for the Rocky Mountain snowpack highlighted in study

This past winter, the Rocky Mountains experienced an historic snow drought, a worrying development for the tens of millions of people in the arid American West who depend on snowmelt for water. Now, a new study in the journal ...

Mar 25, 2026
Tech Xplore / Why solid-state batteries keep short-circuiting

Batteries that use solid metal as their charge-carrying electrolyte could potentially be a safer and far more energy-dense alternative to lithium-ion batteries. Unfortunately, these solid-state batteries have been plagued ...

Mar 25, 2026
Medical Xpress / How inflammation may prime the gut for cancer

Chronic inflammation can raise a person's risk of cancer, and a new study reveals key details about how that might happen in the gut and points to better ways to identify and reduce risk. Scientists at the Broad Institute ...

Mar 25, 2026