Why Do Flight Attendants Sit on Their Hands?

Every airline passenger knows flight attendants give critical safety guidance during their pre-takeoff briefings about seatbelts and emergency exits. But many observant passengers often watch cabin crew throughout the flight for unspoken safety cues, too. If you’re one of these watchful fliers, you might have noticed a certain way that cabin crew sit during takeoff…

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Imaging interface-controlled bulk oxygen spillover

Conner, W. C. Jr. & Falconer, J. L. Spillover in heterogeneous catalysis. Chem. Rev. 95, 759–788 (1995). Article  CAS  Google Scholar  Zecevic, J., Vanbutsele, G., de Jong, K. P. & Martens, J. A. Nanoscale intimacy in bifunctional catalysts for selective conversion of hydrocarbons. Nature 528, 245–248 (2015). Article  ADS  CAS  PubMed  PubMed Central  Google Scholar …

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