Most treatments being pursued today to protect against Alzheimer's disease focus on amyloid plaques and tau tangles that accumulate in the brain, but new research points to a novel -- and noble -- ...

Founders Fund was one of the earliest investors in SpaceX, investing $20 million in 2008. It kept backing the company, with a stake that could be worth more than $60 billion. Scott Nolan was an early ...

(Clarifies status of Istitut Pasteur de Dakar in paragraphs 6, 8-9) By Jessica Donati DAKAR, May 22 (Reuters) - The call for help came in early May: a cruise ship off Cape Verde was stranded, with ...