Learn the classic ‘Oil and Water’ card trick that looks like pure magic! 🤯 This easy-to-learn effect will amaze your audience as red and black cards magically separate before their eyes! 🔥 No ...

The process of separating useful molecules from mixtures of other substances accounts for 15% of the nation's energy, emits ...

Thousands of gallons of oil are gone from the East River, but no one knows how much is left—or where it’s leaking from.