Menopausal Mother Nature

News about Climate Change and our Planet

Month: October 2020

Clovis people: Narrow window of tool-making

There is much debate surrounding the age of the Clovis — a prehistoric culture named for stone tools found near Clovis, New Mexico in the early 1930s — who once occupied North America during the end of the last Ice Age. New testing of bones and artifacts show that Clovis tools were made only during a brief, 300-year period from 13,050 to 12,750 years ago.

Fish exposed to even small amounts of estrogen produce fewer males

A biologist conducted experiments with North American freshwater fish called least killifish. She found that fish exposed to estrogen in concentrations of 5 nanograms per liter in controlled lab conditions had fewer males and produced fewer offspring. Scientists have found estrogen at as much as 16 times that concentration in streams adjacent to sewage treatment plants.

Betelgeuse is smaller, closer, and won’t explode any time soon

According to new research, the red supergiant star Betelgeuse – which began to dim dramatically in brightness in late 2019 – might not explode for another 100,000 years. The star is also smaller and closer to us than first thought.

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FRANCE: Utility delays decision on buying $7B of U.S. LNG

One of France’s biggest energy companies has delayed a decision on a $7 billion deal to import liquefied natural gas from the U.S. after pressure from the government in Paris to seek cleaner supplies of the fuel.

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TECHNOLOGY: Investors gauge future climate risks with satellite imaging

The world was watching end-of-days scenes: Firefighters in yellow jackets, blurry against a copper sky, battled to push back walls of flames. Veterinarians tended to badly burned koalas and kangaroos. Dazed survivors picked through the ruins of their torched houses.