Making Silicon Solar Cells Cheaper

Face filters, billionaires in space, and home-buying algorithms that overpay all made our annual list of technology gone wrong.

Deepfake researchers have long feared the day this would arrive.

Funders of a deep-pocketed new "rejuvenation" startup are said to include Jeff Bezos and Yuri Milner.

The procedure is a one-off, and highly experimental, but the technique could help reduce transplant waiting lists in the future.