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True size of Prehistoric Mega-Shark.

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Top Science News
September 8, 2020

Megalodon illustration | (c) (c) warpaintcobra / Adobe

True Size of Prehistoric Mega-Shark

Moon (stock | (c) (c) taffpixture / Adobe

Has Earth’s Oxygen Rusted the Moon?

Gravitational waves | (c) (c) grafonom / Adobe

Most Massive Gravitational-Wave Source Yet

This illustration shows | (c) NASA, ESA, and E. Wheatley

Giant Halo Around Andromeda Galaxy

 In a landmark study, scientists using NASA’s Hubble Space Telescope have mapped the immense halo of gas enveloping the Andromeda galaxy, our nearest large galactic …
Latest Top Headlines
updated 10:31am EDT

Health News
September 8, 2020

Fatigue concept, woman | (c) (c) kite_rin / Adobe

Got Fatigue? Brain Regions That May Control It

Sumatran orangutan | (c) (c) Anton Petrus / Adobe

Animal Species May Be Vulnerable to SARS-CoV-2

Gut bacteria | (c) (c) nobeastsofierce / Adobe

Gut Bacteria Can Enhance Immunotherapy

Vaccine injection photo | (c) (c) terovesalainen / Adobe

Why Seasonal Flu Shots Don’t ‘Stick’ Long-Term

 Using MRI scans and computer modeling, scientists say they have further pinpointed areas of the human brain that regulate efforts to deal with …
Latest Health Headlines
updated 10:31am EDT

Physical/Tech News
September 8, 2020

Devonian landscape | (c) (c) nicolasprimola / Adobe

Exploding Stars May Have Caused Mass Extinction

Earth's magnetic | (c) (c) koya979 / Adobe

Slowly Splitting ‘Dent’ in Earth’s Magnetic Field

Greenland fjord (stock | (c) (c) Di / Adobe

Greenland Ice Sheet Passes Point of No Return

Carbon dioxide molecules | (c) (c) Ted Reinhard / Adobe

New Catalyst for Reduction of Carbon Dioxide

 Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth’s rock record could …
Latest Physical/Tech Headlines
updated 10:31am EDT

Environment News
September 8, 2020

Close-up of a fly's | (c) (c) tomatito26 / Adobe

Optical Illusions Explained in a Fly’s Eyes

Woolly rhinoceros | (c) (c) auntspray / Adobe

Woolly Rhinos Went Extinct Due to Climate Change

Maize seedling (stock | (c) (c) lamyai / Adobe

Photosynthetic Hacks Can Boost Crop Yield

Iceberg in Greenland | (c) (c) mikhail79spb / Adobe

Complete Loss of Arctic Sea-Ice by 2035

 Why people perceive motion in some static images has mystified not only those who view these optical illusions but neuroscientists who have tried to explain the phenomenon. Now neuroscientists have …
Latest Environment Headlines
updated 10:31am EDT

Society/Education News
September 8, 2020

Smiling friends (stock | (c) (c) fizkes / Adobe

Smiling Really Does Give You a Positive Outlook

Seismograph (stock | (c) (c) Anna / Adobe

Lockdown: Human-Linked Earth Vibrations Down

Illustration of people | (c) (c) Mopic / Adobe

World Population to Shrink After Mid-Century

Abstract concept | (c) (c) JEGAS RA / Adobe

Why Some Words More Memorable Than Others

 From Sinatra to Katy Perry, celebrities have long sung about the power of a smile — how it picks you up, changes your outlook, and generally makes you feel better. But is it all smoke and mirrors, …
Latest Society/Education Headlines
updated 10:31am EDT

For the latest trends in science, technology, medicine, health, the environment, and artificial intelligence, please check the blog sidebars and links. These news feeds are updated daily. Thanks for joining us today.

Until next time,

Russ Roberts

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