Dinosaur-Era Tree Saplings Being Auctioned, How An Aging Immune System Fuels Cancer Growth & TDIH: The 1920 Bombing of Wall Street & The Empire State Building's Mooring Mast

<p>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?</p><p>6 Saplings of Dinosaur-Era Tree Species Being Auctioned to Spread the Pines Around Australia</p><p>Novel study reveals how aging immune system fuels cancer growth, potentially opening new avenues for prevention</p><p>TDIH: Blimps Docked on Empire Stat...