USA News Journal

Challenger at 40: How a Tragedy Reshaped Spaceflight’s Culture and Ethics

Challenger at 40: How a Tragedy Reshaped Spaceflight’s Culture and Ethics

On Jan. 28, 1986, the world stood still. Seventy-three seconds after liftoff, Space Shuttle Challenger was lost, along with its seven-member crew: Francis “Dick” Scobee, Michael Smith, Ronald McNair, Ellison Onizuka, Judith Resnik, Gregory Jarvis and Christa McAuliffe. The tragedy unfolded live on television, imprinting itself on a generation and forever changing the trajectory of…

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Andreessen Horowitz-Backed Swedish Startup Brings A.I. to Dentists’ Chairs

Andreessen Horowitz-Backed Swedish Startup Brings A.I. to Dentists’ Chairs

As A.I.’s capabilities grow, the technology is creeping into workplaces, schools, homes and possibly dentists’ chairs soon. Dentio, a Swedish startup betting on dental clinics as a prime use case for A.I. assistants, has just secured $2.3 million in fresh financing to support its ambitions. Andreessen Horowitz led the startup’s pre-seed funding round, with other…

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Gretchen’s table: Warm winter’s chill with a hot bowl of this tangy and traditional Mexican stew

Gretchen’s table: Warm winter’s chill with a hot bowl of this tangy and traditional Mexican stew

By Gretchen McKay, Pittsburgh Post-Gazette Grocery stores might try to convince you otherwise, but it’s pretty tough to get a decent tomato in Western Pennsylvania in January. Related Articles The most exciting restaurants opening across the US Quick Fix: Beef Tenderloin with Cranberry Mustard Sauce and Green Beans with Rice Fish cakes and Birmingham greens…

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