Tuskless elephants, room temperature superconductors, how space changed a man, Men, women and pain, climate change means stronger waves and whither glacial water?

Quirks and Quarks

Elephants are evolving to be tuskless after decades of poaching pressure; Discovery of room temperature superconductors could bring floating trains and more; Scott Kelly spent a year in space - and it literally changed him; Repeated pain makes men more sensitive - but not women; Waves are getting stronger and more dangerous thanks to climate change; Will Edmonton run out of water as the Columbia Icefield continues to melt?

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