Powering a pacemaker with a patient's heartbeat

Implantable pacemakers have without doubt altered modern medicine, saving countless lives by regulating heart rhythm. But they have one serious shortcoming: Their batteries last only five to 12 years, at which point they ...

Apple unveils $999 iPhone X, loses 'home' button

"One more thing." With that phrase, Apple paid homage to its late co-founder Steve Jobs for the 10-year anniversary of the iPhone on Tuesday when it unveiled its latest—and, at $999, its most expensive—new version of ...

Drone testing finds some elevated pollutants at Army plant

Researchers who flew a drone over the open burning of hazardous waste at an Army ammunition plant in Virginia found arsenic, lead and other pollutants at higher-than-expected levels, according to a draft report obtained by ...

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