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 ...

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.

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.