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More importantly, they demonstrated that stimulating lysosome activity can restore this cellular "cleanup" function, helping remove progerin and reducing signs of cell aging.

In a week when the US Democratic Party finally showed some signs of life after a year of flatlining, one man proved he was already the picture of political health: Gavin Newsom.

The sense of fear is palpable in parts of northern Japan, where some locals have fastened bells to their bags hoping the noise will keep bears away, while signs warn people to be on guard.

The Cook Islands -- which lays claim to one of the world's biggest deposits of polymetallic nodules -- signed a contentious deep-sea mining cooperation deal with China earlier this year.

The bear crawled under the roped barriers to cross the ice, ignoring the “No Skating without Skates” sign plastered at the entrance.