'Metabolic trick' in squirrels' guts could help astronauts in deep space: researcher

In this June 18, 2017, file photo, thirteen-lined ground squirrels congregate near the ninth hole during the fourth round of the U.S. Open golf tournament at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip, File) In this June 18, 2017, file photo, thirteen-lined ground squirrels congregate near the ninth hole during the fourth round of the U.S. Open golf tournament at Erin Hills in Erin, Wis. (AP Photo/David J. Phillip, File)

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Gunman kills 19 children in Texas elementary school shooting

An 18-year-old gunman opened fire Tuesday at a Texas elementary school, killing at least 19 children as he went from classroom to classroom, officials said, in the deadliest school shooting in nearly a decade and the latest gruesome moment for a country scarred by a string of massacres. The attacker was killed by law enforcement.

A woman cries as she leaves the Uvalde Civic Center, Tuesday May 24, 2022, after a mass shooting at a Texas school. (William Luther/The San Antonio Express-News via AP)

U.S. senator begs for gun compromise after Texas shooting

Connecticut U.S. Sen. Chris Murphy, who came to Congress representing Sandy Hook, begged his colleagues to finally pass legislation addressing the nation's gun violence problem as the latest school shooting unfolded Tuesday in Uvalde, Texas.

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