Science
The latest Science coverage from the Chattanooga Times Free Press, part of our News section.
More in Science, page 41
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When it comes to heating the planet, the fluid in your AC is thousands of times worse than CO2
Air conditioning has made it possible to live comfortably in many hot places, but the special chemicals that makes it work are actually extremely hazardous to the climate.
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NASA shows off its first asteroid samples delivered by a spacecraft
NASA on Wednesday showed off its first asteroid samples delivered last month by a spacecraft — a jumble of black dust and rubble that's the most ever returned to Earth.
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Surgeons perform second pig heart transplant, trying to save a dying man
Surgeons have transplanted a pig's heart into a dying man in a bid to prolong his life – only the second patient to ever undergo such an experimental feat. Two days later, the man was cracking jokes and able to sit in a chair, Maryland doctors said Friday.
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Tropical Storm Ophelia forecast to make landfall early Saturday on North Carolina coast
Tropical Storm Ophelia was expected to make landfall on the North Carolina coast early Saturday morning with the potential for damaging winds and dangerous surges of water, the U.S. National Hurricane Center said.
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Biden administration announces $600 million to produce COVID tests and will reopen website to order them
The Biden administration announced Wednesday that it is providing $600 million in funding to produce new at-home COVID-19 tests and is restarting a website allowing Americans to again order up to four free tests per household — aiming to prevent possible shortages during a rise in coronavirus cases that has typically come during colder months.
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Lots of indoor farms are shutting down as their businesses struggle. So why are more being built?
Inside a bright greenhouse about an hour outside Dallas, workers in hairnets and gloves place plugs of lettuce and other greens into small plastic containers — hundreds of thousands of them — that stack up to the ceiling.
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Pig kidney works a record 2 months in donated body, raising hope for animal-human transplants
Dozens of doctors and nurses silently lined the hospital hallway in tribute: For a history-making two months, a pig's kidney worked normally inside the brain-dead man on the gurney rolling past them.
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Americans can now get an updated COVID-19 vaccine
Most Americans should get an updated COVID-19 vaccine, health officials said Tuesday.
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Hurricane Lee is charting a new course in weather and could signal more monster storms
Hurricane Lee is rewriting old rules of meteorology, leaving experts astonished at how rapidly it grew into a goliath Category 5 hurricane.
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India launches spacecraft to study the sun after successful landing near the moon’s south pole
India launched its first space mission to study the sun on Saturday, less than two weeks after a successful uncrewed landing near the south polar region of the moon.
