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The FDA wants to reduce nicotine levels in cigarettes

The FDA says it wants to make cigarettes minimally addictive or nonaddictive.

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A look back at Stephen Hawking’s visits to the Boston area

The celebrated British physicist Stephen Hawking, who died in England on Wednesday, was no stranger to the Boston area. Here are some highlights of his visits.

Noted quotations from physicist Stephen Hawking

Dr. Hawking possessed an uncanny ability to come up with memorable phrases and sayings that summed up his world view.

Timeline of Stephen Hawking’s life

The celebrated physicist died Wednesday, his family said.

Stephen Hawking, 76, ground-breaking physicist

Dr. Hawking’s best-selling book “A Brief History of Time” helped make him the most celebrated scientist since Albert Einstein.

Geometric clusters of cyclones churn over Jupiter’s poles

Jupiter’s poles are blanketed by geometric clusters of cyclones and its atmosphere is deeper than scientists suspected.