The codes in question encrypt data using “trapdoor” mathematical functions that work easily in one direction but not in the other. That makes encrypting data easy but decoding it hugely ...

STEPHANIE KEITH/GETTY IMAGES The rush to get goods to the U.S. ahead of President Trump’s tariffs has already led to huge distortions in global trade patterns and economic data. It isn’t over yet.

Uplift before 1997–98 caused extension of the caldera floor, eventually leading to trapdoor faulting sometime ... The influence of loading by lavas on the siting of volcanic eruption vents ...