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(AleksandrYu/Getty Images) Teenagers who regularly puff away on their vape throughout the day could be exposing their bodies to potentially toxic metals. A new study led by researchers from the University of Nebraska has found that regular vapers between the ages of 13 and 17, who report using an e-cigarette at least eight times a…

Fusion energy is perhaps the longest of long shots. To build a fusion reactor is essentially to create an artificial star. Scientists have been studying the physics of fusion for a century and working to harness the process for decades. Yet almost every time researchers make an advance, the goal posts seem to recede even farther in the distance.