A quasar is an extremely bright and distant point-like source visible to radio telescopes. The source is a so-called Active Galactic Nucleus, fueled by a supermassive black hole. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-quasar…
Tag: Indigenous
Amazon Rainforest Plots Sold via Facebook Marketplace Ads
Parts of Brazil’s Amazon rainforest are being illegally sold on Facebook, the BBC is reporting. From the report: The protected areas include national forests and land reserved for indigenous peoples. Some of the plots listed via Facebook’s classified ads service are as large as 1,000 football pitches. Facebook said it was “ready to work with local authorities”, but indicated it would…
How is Alaska Leading the Nation in Vaccinating Residents? With Boats, Ferries, Planes and Snowmobiles.
Alaska, the state with the largest land mass in the nation, is leading the country in a critical coronavirus measure: per capita vaccinations per capita vaccinations. From a report: About 13 percent of the people who live in Alaska have already gotten a shot. That’s higher than states such as West Virginia, which has received a lot of attention for a…
Biden Rejoins Paris Climate Accord, Works To Overturn Trump’s Climate Policies
During his first moments in the Oval Office on Wednesday, President Biden returned the United States to the Paris climate accord and directed federal agencies to begin unraveling Donald Trump’s environmental policies. The Washington Post reports: Biden’s executive order recommitting the United States to the international struggle to slow global warming fulfilled a campaign promise and represented a stark repudiation of…
New study finds polyester fibers throughout the Arctic Ocean
A new study has found that pollution from microplastics is widespread in the Arctic Ocean, and 92% of those particles are minuscule synthetic fibers from our clothes. Source: https://earthsky.org/earth/polyester-fibers-arctic-ocean-microplastic-pollution…
Trump Auctions Arctic Refuge To Oil Drillers In Last Strike Against US Wilderness
An anonymous reader quotes a report from The Guardian: In one of its last strikes against the American wilderness, Donald Trump’s administration will on Wednesday auction off portions of the Arctic national wildlife refuge to oil drillers. The lease sales are the climax to one of the nation’s highest-profile environmental battles. The lands on the northern coastal plain of Alaska are…
Most Popular Courses by Country 2020
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Pinwheel Cave rock art in California may depict hallucinogenic ‘trance flower’
Starting about 400 years ago, Indigenous people in California had hallucinogenic ceremonies in a cave by Santa Barbara. Source: https://www.livescience.com/rock-art-hallucinogen-california.html
Will SpaceX’s Starlink satellites ruin stargazing?
SpaceX’s satellites will populate the night sky, affecting how we observe the stars. And this is just the beginning of private satellite mega-constellations. Source: https://earthsky.org/human-world/will-spacex-starlink-satellites-ruin-stargazing…
Clovis made stone tools for only around 300 years
The Clovis, some of North America’s earliest inhabitants, only made stone tools during a brief 300-year period from 13,050 to 12,750 years ago, new research shows. Source: https://earthsky.org/human-world/clovis-stone-tools-300-years…