Mixtures of oil and water can be efficiently separated by ... electrical charges or semipermeable membranes, which allow some ...

This election is still a dead heat, according to most polls. In a fight with such wafer-thin margins, we need reporters on the ground talking to the people Trump and Harris are courting.

“That just isn’t the case.” On the American market, the EWG has found that more than 2,000 cleaning supplies may contain substances linked to health problems including asthma, chemical burns ...