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Medical Xpress / Not all immune cells are created equal: Memory T cells in tissues outlast those in blood
Memory T cells are a special type of white blood cell that "remember" past infections and vaccines, helping our bodies to quickly respond if we encounter the same germs again. These cells are found throughout the body: some ...
Dialog / Hydrogenases spill the beans: Key catalytic moves revealed
Hydrogenases catalyze the reversible splitting and production of hydrogen gas (H2), using complex catalytic cofactors comprising Earth-abundant nickel and/or iron ions. These enzymes, especially the [NiFe]-hydrogenases (fig. ...
Phys.org / The Man in the Moon gets a new scar
I have to confess, despite spending years gazing at the night sky, telescope at the ready, tracking planets and hunting for deep sky objects, I only actually saw the Man in the Moon about five years ago. There I was, exploring ...
Medical Xpress / Psychology can change the way food tastes: Here's how to use it to make the most of your meals
Ever eaten while doom-scrolling and realized you barely tasted anything? Or found your favorite pasta strangely bland after a stressful meeting, yet somehow delicious on a relaxed Saturday evening?
Tech Xplore / Fuel made from just air, power and water is taking off, but several things are holding it back
Imagine powering long-haul aircraft and heavy ships with fuels derived from just air, water and renewable electricity. This is moving from science fiction to the verge of reality, thanks to the falling price of renewables ...
Phys.org / What do we know about climate change? How do we know it? And where are we headed?
The 2025 United Nations Climate Change Conference (sometimes referred to as COP30) is taking place in Brazil.
Phys.org / Scientists track recent solar flare disruptions in Earth's ionosphere
As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide swath of the globe—from northern Europe to Florida—researchers at NJIT's Center for Solar-Terrestrial ...
Medical Xpress / Nasal nanomedicine delivers immune-boosting therapy to fight brain tumors
Researchers at Washington University School of Medicine in St. Louis, along with collaborators at Northwestern University, have developed a noninvasive approach to treat one of the most aggressive and deadly brain cancers. ...
Phys.org / Tea leaf experiments suggest tropical forests may better withstand climate change
Researchers at Northern Arizona University and the Smithsonian found an unconventional method to understand how rainforests will survive with climate change—making tea with living leaves at the top of the rainforest canopy.
Phys.org / When trade routes shift, so do clouds: Researchers uncover ripple effects of new global shipping regulations
When militia attacks disrupted shipping lanes in the Red Sea, few imagined the ripple effects would reach the clouds over the South Atlantic. But for Florida State University atmospheric scientist Michael Diamond, the rerouting ...
Phys.org / Just follow orders or obey the law? What US troops told us about refusing illegal commands
As the Trump administration carries out what many observers say are illegal military strikes against vessels in the Caribbean allegedly smuggling drugs, six Democratic members of Congress issued a video on Nov. 18, 2025, ...
Phys.org / Metasurfaces etched into 2D crystals boost nonlinear optical effects at nanoscale
In January, a team led by Jim Schuck, professor of mechanical engineering at Columbia Engineering, developed a method for creating entangled photon pairs, a critical component of emerging quantum technologies, using a crystalline ...
