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Latest from Science News: NASA's Perseverance rover will seek signs of past life on Mars

July 28, 2020
Latest from Science News
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07/28/2020

  
  
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NASA's Perseverance rover will seek signs of past life on Mars
Jul 28 2020 6:00 AM

NASA's Perseverance rover will collect rocks and search for past life on Mars using lasers and zoomable cameras among other instruments.

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A black hole circling a wormhole would emit weird gravitational waves
Jul 27 2020 12:00 PM

A new calculation reveals the strange gravitational waves LIGO and Virgo could see if a black hole were falling into a hypothetical tunnel in spacetime.

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A wasp was caught on camera attacking and killing a baby bird
Jul 27 2020 8:00 AM

Some wasps scavenge carrion or pluck parasites off birds, but reports of attacks on live birds are rare.

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A popular heartburn medicine doesn't work as a COVID-19 antiviral
Jul 27 2020 6:00 AM

In lab tests, an antacid didn't prevent coronavirus infection, but clinical tests are needed to see if it can help people who already have COVID-19.

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The star cluster closest to Earth is in its death throes
Jul 24 2020 8:00 AM

Gaia spacecraft observations of stars' motion within and fleeing the cluster suggest the 680-million-year-old Hyades has only 30 million years left.

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Ancient DNA suggests Vikings may have been plagued by smallpox
Jul 24 2020 6:00 AM

Viral genetic material from human remains provides direct evidence that smallpox infected people dating back to the year 603.

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Masks help new moms with COVID-19 safely breastfeed their babies
Jul 23 2020 6:53 PM

A study reports newborns could be held and breastfed safely when moms with COVID-19 wore masks and cleaned their hands.

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COVID-19 lockdowns dramatically reduced seismic noise from humans
Jul 23 2020 2:32 PM

Human-caused seismic activity was reduced by as much as 50 percent around the globe during lockdowns as a result of the coronavirus pandemic.

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To prevent the next pandemic, we might need to cut down fewer trees
Jul 23 2020 2:00 PM

Investing in halting deforestation and limiting the wildlife trade could be a cost-effective way to reduce the risk of pandemics, a new analysis finds.

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An ancient skull hints crocodiles swam from Africa to the Americas
Jul 23 2020 11:00 AM

A group of crocs, or at least one pregnant female, may have made a transatlantic journey millions of years ago to colonize new land.

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Stone artifacts hint that humans reached the Americas surprisingly early
Jul 22 2020 11:00 AM

Finds uncovered in a Mexican cave suggest North America may have had human inhabitants more than 30,000 years ago - way before archaeologists thought.

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This is the first picture of a sunlike star with multiple exoplanets
Jul 22 2020 9:00 AM

A first family portrait reveals a weird cousin of the solar system: a star about the mass of the sun orbited - distantly - by two massive gas giants.

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A blood test may show which COVID-19 patients steroids will help - or harm
Jul 22 2020 5:00 AM

An inflammation marker was a good indicator of which patients had lower or higher risks of dying or needing a ventilator when given steroids.

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COVID-19 vaccines by Oxford, CanSino and Pfizer all trigger immune responses
Jul 21 2020 12:46 PM

In three clinical trials, vaccine candidates appear safe and induce the production of antibodies and other immune cell responses against the coronavirus.

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How Yellowstone wolves got their own Ancestry.com page
Jul 21 2020 8:00 AM

Since the wolves' reintroduction to the park, 25 years of devoted watching has chronicled bold moves, big fights and lots of puppies.

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Scientists stumbled across the first known manganese-fueled bacteria
Jul 21 2020 6:00 AM

A jar left soaking in an office sink helped scientists answer a century-old question of whether bacteria can use manganese for energy.

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