Latest from Science News: X-ray scans explain how the 'Brazil nut effect' works

Latest from Science News

View in browser Latest Headlines 04/22/2021

X-ray scans explain how the 'Brazil nut effect' works Apr 22 2021 6:00 AM X-ray CT scans of a box of mixed nuts explain the orientations that let large, oblong Brazil nuts rise to the top. READ MORE   Fast radio bursts could help solve the mystery of the universe's expansion Apr 21 2021 12:00 PM Astronomers use fast radio bursts for the first time to measure the Hubble constant in hopes of ending the debate on the universe's expansion rate. READ MORE   A new technique could make some plastic trash compostable at home Apr 21 2021 11:00 AM Embedding enzymes inside biodegradable plastics makes them truly compostable, which could mitigate the plastic waste problem. READ MORE   The already tiny neutrino's maximum possible mass has shrunk even further Apr 21 2021 6:00 AM At less than an electron volt, neutrinos are by far the most lightweight massive particles known, a new measurement confirms. READ MORE   Neutron stars may not be as squishy as some scientists thought Apr 20 2021 11:00 AM NASA's NICER X-ray telescope finds that the most massive known neutron star has an unexpectedly large diameter. READ MORE   Videocalling needed more than a pandemic to finally take off. Will it last? Apr 20 2021 9:00 AM Zoom and social distancing ushered in the futuristic videophone fantasy AT&T wanted and consumers rejected for decades. READ MORE   More Recent Headlines 50 years ago, scientists claimed marijuana threatened teens' mental health Apr 20 2021 7:00 AM In the 1970s, scientists linked pot use to mental health woes in teens. Such concerns have helped keep the drug illegal for teens for 50 years. READ MORE   Here's what we know about B.1.1.7, the U.S.'s dominant coronavirus strain Apr 19 2021 8:00 AM Studies show the variant is more contagious and may cause more severe COVID-19 overall. But vaccines still work against B.1.1.7. READ MORE   NASA's Ingenuity helicopter made history by flying on Mars Apr 19 2021 7:06 AM An autonomous helicopter just lifted itself into the air on Mars, marking the first time a vehicle has flown on a planet other than Earth. READ MORE   How the laws of physics constrain the size of alien raindrops Apr 19 2021 6:00 AM Physics limits the size of raindrops, no matter what they're made of or what planet they fall on. READ MORE   People with rare blood clots after a COVID-19 jab share an uncommon immune response Apr 16 2021 1:08 PM AstraZeneca's and J&J's shots are linked to antibodies that spark clots. Knowing that lets doctors ID cases and get patients the right treatment. READ MORE   A new book explores how military funding shaped the science of oceanography Apr 16 2021 11:02 AM In 'Science on a Mission,' science historian Naomi Oreskes argues that funding from the U.S. Navy both facilitated and stymied marine research. READ MORE   50 years ago, the United States wanted to deflate the helium stockpile Apr 16 2021 6:00 AM An attempt to dismantle the Federal Helium Reserve in 1971 failed. Fifty years later, the U.S. government is still determined to run out of gas. READ MORE   Neandertal DNA from cave mud shows two waves of migration across Eurasia Apr 15 2021 2:00 PM Genetic material left behind in sediments reveals new details about how ancient humans once spread across the continent. READ MORE   Earth sweeps up 5,200 tons of extraterrestrial dust each year Apr 15 2021 7:00 AM Thousands of micrometeorites collected from Antarctica come from both comets and asteroids, a new study suggests. READ MORE   Only 3 percent of Earth's land hasn't been marred by humans Apr 15 2021 1:00 AM A sweeping survey of terrestrial ecosystems finds that vanishingly little land houses all the animals it used to. Species reintroductions could help. READ MORE

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