Berkshire Hathaway Hits $1 Trillion Market Value

Berkshire Hathaway has hit a $1 trillion market value, becoming the first U.S. non-tech company to do so.
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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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