How do astronauts track sleep? A new study introduces a smartphone-based melatonin test that monitors circadian rhythms in ...
The Daily Galaxy on MSN
While the world fights over oil, China has found an alternative: It’s building ‘water-powered’ airplanes
The aircraft lifted off from an airport in Zhuzhou, climbed to 300 meters, and stayed aloft for 16 minutes. By the time it ...
A fast-growing revenue stream to watch at Delta Air Lines doesn’t have to do with Sky Clubs, new routes or more airplane ...
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