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Leonardo’s Bridge
In 1502, Leonardo da Vinci made a simple drawing of a great, 240-meter bridge that was to span an inlet at the mouth of the Bosporus River in what is now Turkey. The bridge was never built, but Leonardo’s design has been reproduced in a wooden bridge for pedestrians over a highway in Norway. Artist […]
- Health & Medicine
The Science of Secretin
The discovery that a gut hormone also exists in the brain may shed light on the origins of autism.
- Health & Medicine
Reducing blood pressure in the lungs
A new drug seems to help reduce abnormally high blood pressure in the lungs, a condition that can trigger heart failure.
