On today's episode, dinosaur-era tree saplings are being sold at auction with the goal of spreading their presence across Australia. Plus, a new study reveals how an aging immune system fuels cancer growth. And on This Day in History, the 1920 bombing of Wall Street – PLUS, was there really a secondary purpose to the Empire State Building’s massive spire?
6 Saplings of Dinosaur-Era Tree Species Being Auctioned to Spread the Pines Around Australia
TDIH: Blimps Docked on Empire State Building: True or False?
TDIH: Docking on the Empire State Building
TDIH: Wall Street Bombing 1920
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