• <menu id="wm0se"><tt id="wm0se"></tt></menu>
  • General Physics

    Precision metrology closes in on dark matter

    Optical clocks are so accurate that it would take an estimated 20 billion years—longer than the age of the universe—to lose or gain a second. Now, researchers in the U.S. led by Jun Ye's group at the National Institute ...

    Space Exploration

    Asteroid samples escaping from jammed NASA spacecraft

    A NASA spacecraft is stuffed with so much asteroid rubble from this week's grab that it's jammed open and precious particles are drifting away in space, scientists said Friday.

    Fish exposed to estrogen produce fewer males

    Water tainted with even a small concentration of human hormones can have profound effects on fish, according to a University of Cincinnati biologist.

    Facebook demands academics disable ad-targeting data tool

    Academics, journalists and First Amendment lawyers are rallying behind New York University researchers in a showdown with Facebook over its demand that they halt the collection of data showing who is being micro-targeted ...

    AstraZeneca, J&J vaccine trials back on track in US

    Two major clinical trials for experimental COVID-19 vaccines got back on track in the United States Friday—providing a glimmer of hope as the number of cases skyrocket across the country.

    Masks could cut COVID-19 deaths in the US by 130,000: study

    Even if state-level governments in the United States reimpose limited social distancing measures to halt the spread of COVID-19, the death toll could more than double by the end of February 2021 to 511,000, according to projections ...

    Corporate sponsor program

    Be an ACS Industry Insider

    Sign-up and get free, monthly access to articles that cover exciting, cutting edge discoveries in Energy, Environmental Science and Agriculture.

    Medical Xpress

    Diseases, Conditions, Syndromes
    AstraZeneca, J&J vaccine trials back on track in US

    Tech Xplore

    Exploring the source of stars and planets in a laboratory

    A new method for verifying a widely held but unproven theoretical explanation of the formation of stars and planets has been proposed by researchers at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory ...

    Time crystals lead researchers to future computational work

    Time crystals sound like something out of science fiction, but they may be the next major leap in quantum network research. A team based in Japan has proposed a method to use time crystals to simulate massive networks with ...

    Researchers create human airway stem cells from patients' cells

    For the first time, researchers have successfully created airway basal stem cells in vitro from induced pluripotent stem cells by reprogramming blood cells taken from patients. Given that airway basal cells are defined as ...

    Quantum cascade lasers (QCLs) exhibit extreme pulses

    Extreme events occur in many observable contexts. Nature is a prolific source: rogue water waves surging high above the swell, monsoon rains, wildfire, etc. From climate science to optics, physicists have classified the characteristics ...

    Extruded grains may be better for pigs

    Extrusion is the norm in the pet and aqua feed industries, yet it remains unusual for swine feed in the United States. But the technology can improve energy and protein digestibility in pigs, according to research from the ...

    Scientists manage to improve metallic glasses

    Researchers at National University of Science and Technology MISIS (NUST MISIS) have managed to develop a unique method to process bulk metallic glasses. According to the authors of the study, they have managed to find processing ...

    Turning a common plastic into high-value molecules

    If you thought those flimsy disposable plastic grocery bags represented most of our plastic waste problem, think again. The volume of plastic the world throws away every year could rebuild the Ming Dynasty's Great Wall of ...

    Plastic found in southern right whale in Argentina

    Scientists found plastic debris in the digestive tract of a southern right whale stranded in Argentina, according to a study from the Southern Right Whale Health Monitoring Program, co-led by the University of California, ...

    Fossil fuel subsidies need global reform, say experts

    Fossil fuels still receive most of the international government support provided to the energy sector despite their "well-known environmental and public health damage," according to new research from Rice University's Baker ...

    香港最准一肖中特公开选料1 管家婆免费资料看看 正版香港数码挂牌彩图今期 2020管家婆资料大全管家图 刘伯温期期精选资料 老奇人精选资料 二四六天天好彩免费资料软件 开奖结果蓝月亮精选料