Sheath helps ‘aqua-hamster’ survive underwater
Excerpt from the November 7, 1964, issue of Science News Letter
![aqua-hamster test](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/10/notebook_50ya_860.jpg?fit=860%2C460&ssl=1)
DEEP BREATH Scientists hoped a membrane invented in 1964, and tested on an "aqua-hamster," would let submarines pull air from seawater.
Science News Letter, November 7, 1964