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Tech Xplore / NASA tests advanced capabilities for moon and Mars rovers

A prototype rover built with a new design for tackling rugged terrain is helping teams refine capabilities that could one day be used on future lunar and Red Planet missions.

46 minutes ago
Phys.org / Laser pulses set layered metals vibrating 1 trillion times per second, revealing electron-driven motion

How does light turn into motion within a metal? A team of researchers from European XFEL, the University of Potsdam and other participating institutions has shown that ultrashort optical laser pulses can trigger extremely ...

56 minutes ago
Phys.org / Circular polarization could cut laser backscatter in fusion experiments

Experiments at Lawrence Livermore National Laboratory's National Ignition Facility (NIF) require breathtaking precision. Each of the 192 lasers is focused to a width of a few millimeters to enter a 3-millimeter hole at the ...

16 minutes ago
Medical Xpress / Oropouche virus has already infected more than five million people in Brazil

The Oropouche virus outbreak in 2023 drew attention in Brazil and other Latin American countries not only because of its scale—with more than 30,000 cases recorded nationwide—but also because of the first confirmed death ...

46 minutes ago
Phys.org / Asteroid Donaldjohanson wobbles as it rotates, Lucy flyby reveals

Southwest Research Institute (SwRI) scientists studying the inner main-belt asteroid Donaldjohanson have found that its rotation wobbles. Rather than rolling through space in a steady pattern, Donaldjohanson turns on two ...

46 minutes ago
Phys.org / Electrically tunable spin polarization in graphene opens path toward low-power spintronic devices

Researchers at the National Graphene Institute, in collaboration with the National University of Singapore, have shown that the magnetic behavior of electrons in graphene can be precisely controlled using electricity, revealing ...

6 minutes ago
Phys.org / Rice gene switch helps plants rebound from cold and use nitrogen more efficiently

Global climate change has increased the frequency of regional cold spells, causing substantial yield losses and even crop failure. Meanwhile, excessive nitrogen fertilizer use in agriculture has increased non-point-source ...

36 minutes ago
Phys.org / Suburban street design has driven emissions since WWII, study suggests

Half of all Americans live in the suburbs. For decades, planners and policymakers have blamed suburban sprawl's environmental and social costs on one thing: distance. The farther people live from city centers, the more they ...

26 minutes ago
Medical Xpress / Lab-on-a-chip platform shows how immune cells attack cancer cells

Immunotherapies are a promising approach in the fight against cancer. Researchers at the Technical University of Munich (TUM) have developed a lab-on-a-chip system called CellTrap. It makes it possible to observe the interactions ...

26 minutes ago
Phys.org / AI teaches asset traders not to sweat the small stuff

Financial markets are governed by a combination of rational and irrational forces, statistical probabilities and "animal spirits." It takes fluency in both to understand the market, let alone beat it. Yet market actors, including ...

6 minutes ago
Medical Xpress / Experimental tau tracer detects Alzheimer's-linked changes earlier than standard PET scans

Alzheimer's disease is commonly known for its symptoms—memory loss, cognitive impairment, difficulty with daily tasks—but it can only be definitively diagnosed by looking at the brain. A scan must show the abnormal buildup ...

6 minutes ago
Medical Xpress / A diet-derived nutrient in breast milk may shape immune development

Trans-vaccenic acid (TVA), the most abundant trans fatty acid found in human breast milk, helps boost immune system development and has long-lasting effects on immune system health in mice, according to a new study by researchers ...

36 minutes ago