How SEPTA cleaning crews blast trash, human waste, and grime from transit stations When the “package” was spotted about midnight, members of a SEPTA wash-down crew sprinted up two flights of stairs to assess the threat. A pile of human waste was tucked in a corner and spattered on a ... 06/9/2024 - 10:00 pm | View Link
Researchers explore mining seawater for critical metals Can metals that naturally occur in seawater be mined, and can they be mined sustainably? A company in Oakland, California, says yes. And not only is it extracting magnesium from ocean water — and from ... 05/27/2024 - 2:00 am | View Link