Science
The latest Science coverage from the Chattanooga Times Free Press, part of our News section.
More in Science, page 32
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US health authorities need to play a larger role in cannabis policy, a new report says
With more Americans using ever-stronger marijuana, a federal advisory panel is calling for a public health approach that's a big departure from "Just Say No."
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Fluoride in drinking water poses enough risk to merit new EPA action, judge says
A federal judge has ordered the U.S. Environmental Protection Agency to further regulate fluoride in drinking water because high levels could pose a risk to the intellectual development of children.
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‘Short corn’ could replace the towering cornfields steamrolled by a changing climate
Taking a late-summer country drive in the Midwest means venturing into the corn zone, snaking between 12-foot-tall green, leafy walls that seem to block out nearly everything other than the sun and an occasional water tower.
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Climate change is sending ticks into new areas. Georgia researchers are on it.
They’ve mapped an unwelcome guest: the lone star tick
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OceanGate co-founder says he hopes submersible tragedy yields renewed interest in exploration
The co-founder of the company that owned the experimental submersible that imploded en route to the wreckage of the Titanic told a Coast Guard panel Monday he hoped the silver lining of the disaster would be that it inspires a renewed interest in exploration, including the deepest waters of the world's oceans.
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A new genetic analysis of animals in the Wuhan market in 2019 may help find COVID-19’s origin
Scientists searching for the origins of COVID-19 have zeroed in on a short list of animals that possibly helped spread it to people, an effort they hope could allow them to trace the outbreak back to its source.
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A gold mining town in Congo has become an mpox hot spot as a new strain spreads
Slumped on the ground over a mound of dirt, Divine Wisoba pulled weeds from her daughter's grave. The 1-month-old died from mpox in eastern Congo in August, but Wisoba, 21, was too traumatized to attend the funeral.
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A key employee says the Titan sub tragedy could have been prevented
A key employee who labeled a doomed experimental submersible unsafe prior to its last, fatal voyage testified Tuesday that the tragedy could have been prevented if a federal safety agency had investigated his complaint.
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The Mississippi River is running low again. It’s a problem for farmers moving beans and grain
The water level of the Mississippi River is unusually low for the third straight year, forcing barge companies to put limits on how much cargo they can carry and cutting into farm profits.
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Tech billionaire pulls off first private spacewalk high above Earth
A tech billionaire popped out from a SpaceX capsule hundreds of miles above Earth and performed the first private spacewalk Thursday, a high-risk endeavor once reserved for professional astronauts.
