lea ament, left, and tamara nunley talk about the care their team provided for helen and robert valenzuela at st. jude medical center in fullerton. (scott smeltzer / staff photographer)...

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"if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion.".

chinese students alleged victims of doctor

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(soundbite of les pommes de ma douche's "trompettes de la renommee") transcript provided by npr, copyright npr..