Eleanor Roosevelt thanks a chemical engineering firm in Philadelphia for manufacturing water for the king and queen of England on their visit to America.
This video highlights a collection of letters from Eleanor Roosevelt to a chemical engineering firm in Philadelphia—thanking them for manufacturing water for a visit from the king and queen of England.
Why do we still study the color of urine?
The climate history of tropical regions has been chronically understudied. Correcting the record will require new methods and new mindsets.
How World War II changed the way we eat.
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