The astronauts provided blood flow measurements before and after spaceflight while seated, laying down and angled at a 15-degree downward head-tilt. Measurements during the flight were taken on ...

According to the USGS gauge at Belle Chasse, the reverse flow of the Mississippi River took place for a few hours – from about 9:30 a.m. to 1 p.m. on Aug. 29.

Powerful winds pushed the water inland and temporarily reversed the flow in a section of the river. This also happened during Hurricane Isaac and Hurricane Katrina.