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Her Discovery Wasn’t Alien Life, but Science Has Never Been the Same

The internet erupted in controversy over Felisa Wolfe-Simon and colleagues’ claim of a microbe thriving on arsenic. Nearly 15 years later, she’s pursuing new research on the boundaries of life.

Β© Marissa Leshnov for The New York Times

Felisa Wolfe-Simon, a research scientist who presented findings in 2010 that suggested arsenic could be a building block of life.

Apple and Google Restore TikTok to App Stores in the U.S.

The popular social media app was removed to comply with a new law that banned it in the United States. President Trump has paused enforcement of the ban.

Β© Ore Huiying for The New York Times

Before bringing TikTok back, Apple and Google wanted to be certain they would not be breaking a federal law.

Banks Sell $4.7 Billion of X’s Debt, in a Sign of Investor Demand

The social media company is attracting investor interest because of Elon Musk’s close ties to President Trump and a recent jump in revenue.

Β© Eric Lee/The New York Times

Investors believe Elon Musk’s debt is more likely to be paid back now that he has a central role in the administration of President Trump, whom he joined in the Oval Office on Tuesday.

Her Discovery Wasn’t Alien Life, but Science Has Never Been the Same

The internet erupted in controversy over Felisa Wolfe-Simon and colleagues’ claim of a microbe thriving on arsenic. Nearly 15 years later, she’s pursuing new research on the boundaries of life.

Β© Marissa Leshnov for The New York Times

Felisa Wolfe-Simon, a research scientist who presented findings in 2010 that suggested arsenic could be a building block of life.
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