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Latest from Science News: Guttural toads shrank by a third after just 100 years on two islands

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11/19/2020

  
  
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Guttural toads shrank by a third after just 100 years on two islands

Nov 19 2020 6:00 AM

Introduced in the 1920s, toads on two islands in the Indian Ocean have shrunken limbs and bodies that may be evidence that "island dwarfism" can evolve quickly.

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New Pfizer results show its COVID-19 vaccine is nearly 95% effective

Nov 18 2020 11:34 AM

With final results - including showing its vaccine is 94 percent effective in the elderly - Pfizer is poised to request emergency use authorization.

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Ardi and her discoverers shake up hominid evolution in 'Fossil Men'

Nov 18 2020 9:00 AM

A new book covers the big personalities, field exploits and scientific clashes behind the discovery of the hominid skeleton nicknamed Ardi.

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Farming on Mars will be a lot harder than 'The Martian' made it seem

Nov 18 2020 6:00 AM

Lab experiments developing and testing fake Martian dirt are proving just how difficult it would be to farm on the Red Planet.

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How massive long-necked dinosaurs rose to rule the Jurassic herbivores

Nov 17 2020 7:01 PM

New dinosaur fossil dates to same time as a volcanic surge, suggesting ensuing changes in plant life allowed these long-necked giants to emerge.

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Hundreds of new genomes help fill the bird 'tree of life'

Nov 17 2020 9:00 AM

More than 10,000 bird species live on Earth. Now, researchers are one step closer to understanding the evolution of all of this feathered diversity.

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More Recent Headlines
Psilocybin may help treat depression, a small study finds
Nov 17 2020 6:00 AM

Researchers found that a compound in psychedelic mushrooms eased depression symptoms, but larger studies are needed.

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Moderna says its COVID-19 vaccine is nearly 95 percent effective
Nov 16 2020 10:48 AM

Another coronavirus vaccine appears to be very effective in preventing people from developing COVID-19 symptoms.

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Planets with many neighbors may be the best places to look for life
Nov 16 2020 8:00 AM

Solar systems with many planets in circular orbits suggest a calm life-nurturing past, while single exoplanets with eccentric orbits hint at chaos.

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A key to the mystery of fast-evolving genes was found in 'junk DNA'
Nov 16 2020 6:00 AM

A new study challenges a long-held belief that essential genes change little over time.

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Measles has come back with a vengeance in the last several years
Nov 13 2020 5:20 PM

The steep number of measles cases in 2019 doesn't bode well for 2020, considering disruptions due to the COVID-19 pandemic.

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Technology and natural hazards clash to create 'natech' disasters
Nov 13 2020 10:00 AM

Hurricanes, wildfires and nature's other extreme events are increasingly causing damage to infrastructure crucial for safety and communication.

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Bolivia's Tsimane people's average body temperature fell half a degree in 16 years
Nov 13 2020 8:00 AM

A new study echoes other research suggesting that people's average body temperature is lower today than it used to be.

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50 years ago, scientists suspected microbes flourished in clouds
Nov 13 2020 6:00 AM

In 1970, scientists presented early evidence that microbes in clouds may be alive and kicking.

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Chemical reactions high in Mars' atmosphere rip apart water molecules
Nov 12 2020 2:00 PM

Mars is so dry because its water constant escapes into space. A new study suggests this process occurs in the ionosphere and faster than thought.

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Giant lasers help re-create supernovas' explosive, mysterious physics
Nov 12 2020 10:26 AM

For the first time, scientists have re-created a type of shock wave that occurs in supernovas.

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