Musk Buys $1B in Tesla Stock in Rare Move

Tesla shares surged Monday after CEO Elon Musk disclosed a $1 billion open-market purchase of 2.57 million shares, his largest buy ever and first since 2020.
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Can NYC Finally Cool Its Subway?
Why is the NYC subway platform so hot? One rider built his own sensor network to find out. We explore the geothermal fix the MTA is piloting right now.
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