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Thursday, April 29, 2021

Latest from Science News: A clock’s accuracy may be tied to the entropy it creates

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04/29/2021

  
  
  
  
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A clock���s accuracy may be tied to the entropy it creates

Apr 28 2021 3:30 PM

A clock made from a thin, wiggling membrane releases more entropy, or disorder, as it becomes more accurate.

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Climate change may have changed the direction of the North Pole's drift

Apr 28 2021 7:00 AM

A mid-1990s shift in the movement of the pole was driven by glacial melt, in part caused by climate change, among other factors, a new study reports.

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The thickness of lead's neutron 'skin' has been precisely measured

Apr 27 2021 11:00 AM

At 0.28 trillionths of a millimeter thick, the shell of neutrons around the nucleus of an atom of lead is a bit thicker than physicists had predicted.

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COVID-19 can affect the brain. New clues hint at how

Apr 27 2021 6:00 AM

Anxiety, depression and strokes can occur after infection, leaving experts to determine how the virus affects the brain.

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Stars made of antimatter could lurk in the Milky Way

Apr 26 2021 3:41 PM

Fourteen celestial sources of gamma rays provide preliminary hints of matter colliding with "antistars" in our galaxy.

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This praying mantis inflates a strange pheromone gland to lure mates

Apr 26 2021 6:00 AM

Researchers stumbled across a first among mantises: an inflatable organ that spreads pheromones, helping mates find each other in the dark rainforest.

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FDA and CDC OK resuming J&J COVID-19 shots paused over rare clot concerns
Apr 23 2021 6:04 PM

The single-dose vaccine carries a low risk of rare blood clots in women under 50, but experts say its benefits outweigh that risk.

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NASA���s Perseverance rover split CO2 to make breathable air on Mars
Apr 23 2021 2:27 PM

An oxygen-making experiment on Perseverance shows that astronauts will one day be able to make air to breathe and, better yet, rocket fuel.

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Experts predict U.S. COVID-19 cases will dip in summer but surge in winter
Apr 23 2021 11:22 AM

Masks, vaccines and coronavirus variants could all affect how bad a predicted winter surge gets.

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Mysterious 'yellowballs' littering the Milky Way are clusters of newborn stars
Apr 23 2021 6:00 AM

The first comprehensive analysis of the celestial specks indicates they are clusters of infant stars of various masses.

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Capturing the sense of touch could upgrade prosthetics and our digital lives
Apr 22 2021 8:00 AM

Haptics researchers are working on ways to add touch to virtual reality, online shopping, telemedicine and advanced artificial limbs.

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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.

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Fast radio bursts could help solve the mystery of the universe's expansion
Apr 21 2021 12:00 PM

Astronomers used fast radio bursts for the first time to measure the Hubble constant in hopes of ending the debate on the universe's expansion rate.

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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.

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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.

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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.

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