Bloomberg Business

Trump’s Ohio Visit Puts Spotlight on Rail-Safety Rules He Ended

Donald Trump visited the small Ohio town reeling from the toxic fallout of a Norfolk Southern Corp. train derailment in the hope of capitalizing politically on residents’ anger about the initial response by the Biden administration. But the trip also highlights the ex-president’s rolling back of rules that former regulators say could have improved rail safety.

Pentagon and Microsoft Are Investigating Leak of Military Emails

The Defense Department and Microsoft Corp. are investigating an error that exposed at least a terabyte of military emails including personal information and conversations between officials, people familiar with the matter said, an episode that highlighted the security risk of moving sensitive Pentagon data to the cloud.

Custom 3D-Printed Hearts Offer Help for Valve Replacements

Scientists are making custom 3D-printed replicas of human hearts in an effort to improve replacement valve procedures, according to a study that holds promise to optimize the life-saving technology used in thousands of patients annually.

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