In the mid-20th century, when the LP was the medium of choice, massive hydraulic-powered vinyl pressing machines—manufactured by long-forgotten companies like SMT, Lened, and Toolex—pumped out the endless stream of grooved discs that became the lifeblood of the booming post-war music industry.

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Building the wall that Donald Trump has ordered on January 25th, as one of his first actions as US president, will put on risk more than 50 animal species that share the ecosystem along the border between the United States and Mexico, scientists from various countries have warned.
 
Since 2006, 1,100 kilometers of barriers covering more than 30 per cent of the border between the countries have been built. The newest executive order commands the “immediate construction of a physical wall”, stating that ‘wall’ means “a physical barrier, continuous and impassable”.

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Ed Rivero-Valentin grew up in Arecibo, Puerto Rico, less than 15 minutes away from the jungle home of a 1,000-foot-wide radio telescope. When he was four or five, his parents brought him to the observatory for the first time. He saw the telescope’s mesh dish, resting inside a huge sinkhole in the soft rock formations that shape the region. If he had walked around the Arecibo radio telescope’s dish, he would have clocked more than a mile.

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We’ve all known for a long time that eating fast food is bad for you. It’s greasy, fatty, high in sodium and the calorie count is obscene. Now comes news that even the packaging that food comes in might be dangerous to your health.

A new study found dangerous chemical compounds in almost half of the 400 fast food containers it tested from 27 fast food franchises. Packaging tested in this study came from the Big Four: McDonald’s, Chipotle Mexican Grill, Starbucks and Yum! Brands, Inc., which operates Taco Bell, KFC, Pizza Hut and WingStreet.

The substances in question are perfluorinated chemicals (PFCs). That’s the same stuff that once was used to make Dupont’s Teflon before it had to be removed from the market. It’s also used in carpeting, furniture, clothing and cosmetics because of its water-repellant and stain-resistant qualities. We’re exposed to it every day.

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Geographer Tim DeVries and colleagues determine why the ocean has absorbed more carbon over the past decade.

 

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