Uncategorized
- Space
SpaceX’s astronaut launch marks a milestone for commercial spaceflight
Two NASA astronauts aboard the privately built Crew Dragon capsule are the first to be sent into orbit from U.S. soil since 2011.
- Space
Half the universe’s ordinary matter was missing — and may have been found
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
- Health & Medicine
Infecting people with COVID-19 could speed vaccine trials. Is it worth it?
To accelerate vaccine development, some experts argue we should purposefully infect volunteers with the coronavirus. Others warn of the risks.
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