New Technique To Extract Gold From Old Electronics Could Make A Fortune, Scientists Say
New Technique to Extract Gold From Old Electronics Could Make a Fortune, Scientists Say
A team of researchers at ETH Zurich in Switzerland has made a discovery that they say could turn recycling e-waste into a literal goldmine.
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Ever heard of the superb fan-throated lizard (Sarada superba)? This ground-dwelling reptile can be found in regions of western India. Its body is covered in dusty brown scales that provide perfect camouflage, but males of this species also have a colorful secret: the fan-like structure under their jaws. Also known as a dewlap, this fleshy structure is used for display. It helps males attract mates and intimidate rivals!
Photo: Ashahar alias Krishna Khan, CC BY-SA 4.0, Wikimeda Commons
The World Health Organization is recognizing loneliness and social isolation as a priority health problem as more and more people suffer across the world.
Data from the University of Michigan's National Poll on Healthy Aging showed loneliness among 50- to 80-year-olds had increased from 27% in October 2018 to 56% in June 2020, at the height of pandemic-era restrictions.
It is also another side effect of Covid-19 that worsens the situation further.
(via Loneliness is at epidemic levels and it's killing Americans)
In a new paper, a team of philosophers and psychologists at Johns Hopkins University claims to have finally settled an ancient debate: whether you can actually hear the sound of silence.
In a mind-bending conclusion, they found that you absolutely can.
(via Scientists Discover That You Can Hear Silence)
Why the April 2024 Total Solar Eclipse May Blow Your Mind?