Act now against El Niño or costs will double, UNDP warns
Acting now to counter the devastating effects of the El Niño phenomenon will cost half as much as waiting, the head of the U.N. Development Programme told AFP Friday.
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כתבות אחרונות מאתר 'Phys'
Optical system maps multiple infrared fields onto one small detector
Researchers from the Changchun Institute of Optics, Fine Mechanics and Physics of the Chinese Academy of Sciences have developed an optical system that focuses light from several subfields onto a single small-format detector. By analyzing field-dependent spot shapes, the system identifies which subfield an isolated infrared target comes from. In sequence-level tests, it identified the correct field in about 89% of cases. The study is published in Optics and Laser Technology.
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Baby corals go house-hunting, gaining swimming skills as they grow
Coral reefs are beautiful and important, both for humans and for marine biodiversity. Corals are living creatures, although they appear to remain fixed in one place, catching small crustaceans and other tasty morsels that drift past.
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Why climate anxiety makes some youth take action, while others freeze
While young people are constantly exposed to news about climate change, their resulting anxiety does not always translate into environmental action. A new study published in Climate reveals that the relationship between climate distress and climate action is highly complex. While worry pushes some youth to seek solutions, it causes others to freeze up.
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Double axes and coarse pottery reveal connections across the Rhine 5,000 years ago
The Rhine, as the boundary between Western and Central Europe, appears to be a constant feature of European history. As early as the late fourth and early third millennia B.C., the traces of human activity east and west of the river differed. Archaeologists have long concluded that the river was a kind of barrier at that time, just as it has been in more recent centuries.
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Microscopic solar panels could help shape 3D-printed biological tissue
Bioprinting uses living cells and molecular signals to produce biological tissues and even whole organs, building them layer by layer in the lab. To keep the bioink, or blend of cells and materials that power this printing, correctly aligned to grow a target tissue, researchers use electricity. However, this typically requires bulky electronic interfaces and invasive wiring.
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New research reveals when humor helps—and hurts—recruitment success
Humor is becoming an increasingly popular feature of job advertisements, with employers using it to stand out, capture attention and attract potential candidates.
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Oʻahu infrastructure threatened by tipping point in sea-level rise impacts
A new comprehensive study by researchers at the University of Hawaiʻi (UH) at Mānoa Climate Resilience Collaborative reveals that traditional sea-level rise models, which account only for rising ocean waters, drastically underestimate the true threat to coastal infrastructure on Oʻahu, Hawai'i.
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Solving the space junk crisis isn't just about counting trash—it's about control and economics
If people ever think about cleaning up space debris, they typically think of something equivalent to a giant garbage truck in the sky, collecting lost astronaut tools and dead satellites, then hauling them back down to Earth to be deposited in a landfill. But dealing with space debris doesn't work that way, and a new paper by Dr. Slava Turyshev of NASA's Jet Propulsion Laboratory, available as a preprint on arXiv, makes a good argument as to why. We typically cover Turyshev for his work on the solar gravitational lens idea.
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A quarter of the world's reptiles use rocky habitats. So why aren't we protecting them?
Ask any reptile lover where to find a cold-blooded creature, and chances are they will point to a rocky outcrop.
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