搜索结果：Search

A scorching, airless world just 48 light-years away is offering scientists a rare glimpse into the geology of distant planets。 Using the James Webb Space Telescope, researchers studied LHS 3844 b—a tidally locked “super-Earth” with a permanent dayside hot enough to melt metal—and discovered it’s a dark, barren rock with no atmosphere

A common constipation drug may have unexpectedly unlocked a new way to slow chronic kidney disease — a condition that affects millions and often leads to dialysis。 In a clinical trial involving 150 patients, researchers found that lubiprostone, a medication normally used to treat constipation, helped preserve kidney function in people with moderate

Researchers at Stanford have developed a compact optical amplifier that dramatically boosts light signals using very little power。 By recycling energy inside a looping resonator, the device achieves strong amplification with minimal noise and wide bandwidth。 Its efficiency and small size mean it could run on batteries and be integrated into consume

Physicists are rethinking one of quantum mechanics’ biggest puzzles: how fuzzy possibilities become definite reality。 New research suggests that spontaneous “collapse” processes—possibly linked to gravity—could subtly blur time itself。 This wouldn’t affect clocks we use today, but it reveals a hidden limit to how precise time can ever be

How research linking climate change and extreme weather events is being used in lawsuits

Scientists studying axolotls, zebrafish, and mice have uncovered a shared set of genes that may one day help humans regrow lost limbs。 By identifying powerful “SP genes” involved in regeneration, researchers discovered that disabling these genes stopped proper bone regrowth in salamanders and mice。 They then used a gene therapy inspired by zebrafis

Scientists in China discovered that ancient humans were making surprisingly advanced stone tools during a harsh ice age 146,000 years ago。 The tools, created by Homo juluensis, show careful planning and complex thinking rather than simple stone-chipping。 Researchers dated the site using tiny calcite crystals inside animal bones, revealing the tools

Scientists have uncovered a surprising way to influence the bacteria living in our mouths — not by killing them, but by interrupting how they “talk” to each other。 Researchers found that dental plaque bacteria use chemical signals to coordinate growth, and by blocking those signals, they were able to encourage healthier bacteria while reducing dise

Researchers have developed three new antibiotics from scorpion venom and habanero peppers to combat tuberculosis and other drug-resistant pathogens

For decades, relaxor ferroelectrics have powered everything from medical ultrasounds to sonar systems, yet their inner atomic structure remained a mystery—until now。 Researchers have finally mapped their three-dimensional structure in unprecedented detail, uncovering hidden patterns in how electric charges are arranged at the nanoscale。 The breakth

A new kind of memory device may finally solve the problem of overheating and battery drain in electronics。 By shrinking components to an extreme scale and redesigning their structure, researchers found a way to reduce energy loss instead of increasing it。 The result is a tiny memory unit that improves as it gets smaller—something once thought impos

A new study shows that listening to your own favorite workout music can dramatically boost endurance。 Cyclists exercising with self-selected songs lasted nearly 20% longer than when riding in silence, yet they didn’t feel more exhausted at the end。 Researchers say music may help people stay in the “pain zone” longer without increasing perceived str

A little-known tree from Brazil’s Atlantic Forest may hold a surprising weapon against COVID-19。 Researchers discovered that compounds called galloylquinic acids, extracted from its leaves, can attack SARS-CoV-2 on multiple fronts—blocking the virus from entering cells, disrupting its replication, and even dampening harmful inflammation。 Unlike man

Penn researchers have developed a smarter AI method for solving notoriously difficult inverse equations, which help scientists uncover hidden causes behind observable effects。 By introducing “mollifier layers” that smooth noisy data, they’ve made these calculations more stable and far less computationally demanding。 This could transform fields like

A routine experiment with a new single-cell DNA sequencing method turned into a surprising scientific twist when researchers stumbled upon a bizarre genetic code in a microscopic pond organism。 Instead of following the near-universal “rules” of life, this newly identified protist rewrites how genes signal their end。 This unexpected discovery challe

A new quantum physics study reveals that simply changing a magnetic field over time can unlock entirely new forms of matter that don’t exist under normal conditions。 By carefully “driving” materials with timed magnetic shifts, researchers created exotic quantum states that could be far more stable and resistant to errors—one of the biggest challeng

Physicists may have just cracked open a hidden side of the quantum world。 For decades, every known particle was thought to belong to one of two categories — bosons or fermions — but researchers have now shown that bizarre “in-between” particles called anyons could also exist in a one-dimensional system。 Even more exciting, these strange particles m

A strange kind of matter that “ticks” forever without energy input has just taken a major leap toward real-world use。 Known as a time crystal, this quantum system repeats its motion endlessly—like a clock that never winds down—and scientists have now managed to connect it to an external device for the first time。 By linking the time crystal to a ti

Google's AI search will start citing its sources in several new ways