What is MENISCUS? The departure from a flat surface where a liquid meets a solid, due to surface tension. The effect can be seen clearly through the wall of a glass tube. The surface of water in air rises up the wall of the tube, while that of mercury is depressed, SIGHT-FEED LUBRICATOR.
An abandoned mud-covered scooter is found during the draining of the Canal Saint-Martin in Paris, France Charles Platiau/Reuters
Here are some interesting facts about the Paris river: 1  After the Joan of Arc's burning at the stake in 1431, her ashes had been thrown into the Seine from Mathilde Bridge at Rouen, though counter-claims persist. 2  Napoleon, who died in 1821, had wished to be buried on the Seine's banks, but his request was not granted.