Our curator of agriculture and the environment discusses combines with host Mo Rocca, who also shows us high tech solar shingles for rooftops, a vibrating smoke alarm for those with hearing impairments, and floor tiles that generate power.

Our curator of transportation discusses Richard Byrd's North Pole flight with Host Mo Rocca, who also shows us a method of stocking fish from the air, a line of hybrid locking devices, and updates from past innovators.