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Robert Siegel talks to Steven Chercover, a research analyst who studies the paper and forest industries, about the trend of shrinking toilet paper rolls.

At a children's hospital in Nashville, Tenn., a mobile maker space allows patients to share materials and tools to build new things, while also teaching them about math and science.

Physicist Charles Townes died Tuesday. He was a key inventor of the laser and won the Nobel Prize for his discovery in 1964. But his career didn't end there.

In a speech at a summit of Latin American countries, President Raúl Castro said the rapprochement would not make sense otherwise.

The country wants to know if the Jordanian pilot being held by the Sunni militants is still alive. The Islamic State said it would kill the pilot if a convicted terrorist was not released by sunset.

The country's new government says it is thinking of a new investigation into reports of extrajudicial killings in the closing chapter of the island nation's 26-year civil war.

The watchdog in charge of Afghan reconstruction said the classification threatens its ability to publicly account for the billions of dollars spent each year on Afghan forces.

Portugal's Jews were expelled, burned at the stake or forcibly converted to Christianity 500 years ago. The government says it wants to right a wrong. Spain approved a similar law last year.

The anthology includes ancient and contemporary interpretations of Judaism, Christianity, Islam, Hinduism, Buddhism and Daoism. Editor Jack Miles discusses primary texts, extremism and death.

A pair of Russian "Bear" bombers flew alarmingly close to British airspace on Wednesday. London has asked Moscow to explain the incident.