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Vaccine Refusal May Put Herd Immunity At Risk, Researchers Warn
By: Geoff Brumfiel | NPR
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One in four Americans say they won’t get a coronavirus vaccine. Researchers say it could keep the nation from reaching a critical tipping point.
Here’s How the Pandemic is Changing America’s Plans for its Newest Spaceship
By: Geoff Brumfiel | NPR
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Later this week, NASA and SpaceX will launch the first rocket carrying astronauts from U.S. soil since the end of the space shuttle era. But COVID-19 has forced some changes to their plans.
The Nuclear-Powered Self-Driving Drone NASA Is Sending To A Moon Of Saturn
By: Geoff Brumfiel | NPR
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Almost everyone who learns about the project thinks it sounds “crazy,” admits one scientist. But the technology should work.
Outside Experts See Iran’s Hand In Attack On Saudi Oil Facility
By: Geoff Brumfiel | NPR
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Independent analysts say the evidence available suggests Iran played a role in the weekend attack. The question is how big that role might be.
Amateurs Identify U.S. Spy Satellite Behind President Trump’s Tweet
By: Geoff Brumfiel | NPR
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The satellite is believed to be among America’s most advanced. Some believe it’s as large as the Hubble Space Telescope.
Trump Tweets Sensitive Surveillance Image Of Iran
By: Geoff Brumfiel | NPR
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The Friday afternoon tweet had experts picking up their jaws from the floor when they saw a photo of an Iranian space facility.
Missile Defense Agency Claims Successful Warhead Intercept
By: Geoff Brumfiel | NPR
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Multiple interceptors tracked and destroyed a missile carrying a dummy warhead. Advocates claim the test proves the system can provide some defense against countries such as North Korea.
Nations Rush Ahead with Hypersonic Weapons Amid Arms Race Fear
By: Geoff Brumfiel | NPR
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The U.S., China and Russia have stepped up efforts to develop hypersonic weapons, which are capable of speeds five times the speed of sound and could change the face of warfare.
Trump Says North Korea Will Destroy Missile Site. But Which One?
By: Geoff Brumfiel | NPR
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Trump boasted Tuesday of a bonus “favor” from Kim, but experts say it might not mean much without independent verification.