Tag Archives: Feature

The Race to Put Silk in Nearly Everything

WIRED

The fiber has been considered a “miracle material” for anything from body parts to food. Has the revolution finally arrived?

ALI ALWATTARI STILL remembers the day he met the goats. It was mid-May, 19 years ago, in Quebec. The sun was lighting up the old maple sugar farm—and small huts where the goats were living. Alwattari, a materials scientist, had spent his career tinkering with chemistry equipment for Procter & Gamble, developing fibers used in Pampers and Swiffers. But the startup Nexia Biotechnologies was aiming to use an entirely different kind of polymer producer—and it was gazing back at him with its rectangular pupils.

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The Long, Strange Life of the World’s Oldest Naked Mole Rat

WIRED

These death-defying rodents do not age normally. Will their weird biology help extend human life spans, or are those ambitions a dead end?

JOE HAS LOOKED old since the day he was born, back in 1982. He’s pink and squinty and wrinkly. His teeth are weird: His incisors sit outside his lips to keep the dirt out of his mouth as he digs tunnels for his tube-shaped body.

“He looks remarkably the same,” says Rochelle Buffenstein, a comparative biologist who has studied naked mole rats since the 1980s when she was doing her doctoral work in Cape Town, South Africa. That’s where she met Joe. (He doesn’t have an official name, so we’re going with Joe.) A few years later, Buffenstein was starting her own research on vitamin D metabolism in mole rats because they spend all their time in dark tunnels, away from the sun. She moved to Johannesburg with a few subjects to begin her work, leaving Joe behind. He was eventually shipped off to the Cincinnati Zoo. But he and Buffenstein would soon reunite.

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