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Hammock Sails Saved A Stranded Sub
- When the R14 submarine lost power off Hawaii in 1921, the crew fashioned sails from hammocks and sheets to reach shore. Their improvised sailing reached the coastline in about 64 hours at roughly one mile per hour.
Mouth Shapes, Not Magic, In Bell's Experiments
- Alexander Graham Bell trained sounds and tried to shape a dog's vocalisations by manipulating mouth shapes and rewards. Bell never succeeded in getting the dog to speak words unaided despite the party trick results.
Crustaceans Wear Toxic Snail Backpacks
- Antarctic amphipods carry chemically-defended sea-snail 'backpacks' that taste horrible to predators and deter attacks. The snails, however, can be trapped and starve while clinging to the crustacean.