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Lkhagvajav Bish's herd of cashmere goats feed on the winter grass in a valley in northeastern Mongolia. The goats' sharp hooves cut through the soil surface, and their eating habits — voraciously ripping up plants by their roots — prevent the grassland from thriving.

How Your Cashmere Sweater Is Decimating Mongolia's Grasslands

Mongolian goats produce the world's highest quality cashmere wool, and international demand has soared. There's a problem, though. These goats are turning the country into an ecological wasteland.

Aerial views of flooding and submerged homes in Lumberton, N.C., on Thursday.

Florence Blamed For 4 More Deaths As 'Unheard Of Amounts Of Water' Keep Flowing

The additional deaths were reported in North Carolina. South Carolina's governor said the damage in his state "will be catastrophic, surpassing anything recorded in modern history."

The Debate Over Selling Insurance Across State Lines

A key principle of the Republican health care plan is that individuals should be allowed to buy health insurance from companies licensed in any state. Critics say this would erode consumer protections and not save money.

Healthy Oakland physician assistant George Pearson listens to Darren Thurmond's breathing after Thurmond is released from San Quentin State Prison earlier in the day. Thurmond will go to Healthy Oakland for all of his primary care.

Calif. Medicaid Expansion: A Lifeline For Ex-Convicts

At least half a million people are expected to get health care benefits in an expansion of California's Medicaid program, including many former prison inmates. Many ex-offenders will now be covered for care, including mental health and substance abuse — problems that, when left untreated, can lead them right back behind bars.

In 2015, Indiana Gov. Mike Pence announced that the Centers for Medicaid and Medicare Services had approved the state's waiver to try a different approach for Medicaid.

Pence Expanded Medicaid As Governor, Now He May Be Part Of Cutting It

Indiana Gov. Mike Pence expanded access to Medicaid with a conservative twist. How it was done may offer hints into how Republicans proceed with changes to Obamacare.

U.S. Secretary of Defense Lloyd Austin speaks before a Senate Appropriations hearing on the President's proposed budget request for fiscal year 2024, on Capitol Hill in Washington, on May 16, 2023.

U.S.-China divide looms as Asia security summit begins in Singapore

China has refused to let its defense minister meet formally with Secretary of Defense Lloyd Austin. However, the two defense chiefs did briefly exchange words and shook hands before Friday's dinner.

In the early days, Walter Isaacson says, computers were "big ol' things with vacuum tubes" that took up entire rooms. For example, the electric analog computer named ANACOM (shown here in 1950 at Caltech) weighed 6,000 pounds and filled 13 cabinets.

How The Cold War And George Orwell Helped Make The Internet What It Is

In The Innovators, Walter Isaacson explains that Pentagon officials wanted a system the Russians couldn't attack, and 1984 made the public wary of new technology's Big Brother potential.

The Internet: A Series Of 'Tubes' (And Then Some)

What does the Internet look like? Journalist Andrew Blum decided to find out. His new book, Tubes, is a journey into the Internet's physical infrastructure — where our data is stored and transmitted.

Travelers cross the main concourse of New York's Grand Central Terminal in January. The terminal marks its 100th anniversary on Feb. 2.

A Historic Arrival: New York's Grand Central Turns 100

Born from a deadly underground train crash, Manhattan's historic transit hub is credited with inventing the ramp and bringing electricity to both train tracks and terminal. Author Sam Roberts marks its centennial in Grand Central: How a Train Station Transformed America.

Rupert Murdoch, 92, is stepping down as chair of his global media empire, which includes Fox News and <em>The Wall Street Journal</em>.

Fox founder Rupert Murdoch steps down from his media empire, handing it to his son

Rupert Murdoch is stepping down as chair of his media empire, which includes Fox News, The Wall Street Journal and The New York Post. He is handing the reins to his son Lachlan.

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