A Survivor's March | In the Path of Fire | Life in Outer Space

A Survivor's March - Veteran Ben Skardon survived the Bataan Death March that killed thousands of American and Filipino soldiers during WWII. Now, at nearly 100, he's still marching -- to pay tribute. Ben Skardon plans on walking the Bataan Memorial Death March in 2018 -- when he'll be 100 years old. He continues to awe and inspire others at the event who have to wonder what's more remarkable: Skardon surviving the cruel WWII march as a young man or his continuing participation in the memorial event as he approaches a century of age. He's been walking in the Bataan Memorial Death March for 10 years and is the only survivor of the infamous 1942 march to do so. Sharyn Alfonsi walked with Skardon in New Mexico last year for a story

In the Path of Fire - As more Americans live closer to the nation's wildernesses, their homes are at greater risk from wildfires that are on the rise due to droughts and climate change. The federal government is spending billions of dollars to protect homes, but property owners can be more effective with simple maintenance.

Life in Outer Space - NASA has partnered with a Las Vegas entrepreneur to design large, lightweight structures that inflate in space -- a technology that could dramatically change how humans live and work in zero gravity.