This is the story of Sgt. Reckless - a Mongolian mare purchased by a Marine Corps lieutenant for $250 during the Korean War.

A whatstory that will warm your heart. 

During the Korean War, The US Marine Corps finest ammunition was a recoilless rifle that was six feet long and weighed over a hundred pounds. Similar to a rocket launcher, it was heavy and took many soldiers to move it. Soldiers had dubbed the rifle “reckless” because handling it was dangerous. How could the US army help its soldiers be more efficient in a disastrous war? They found their answer in a stable in Seoul in the form of a little horse they would later name Sergeant Reckless and this little filly would help end the brutal war.

Which animals survived the last Ice Age and which ones went extinct? What contributed to the extinctions? How do scientists study the lives of Ice Age animals? Learn more in this special Science Moment with palaeobiologist, Danielle Fraser, Ph.D. 

This video explains how the climate changes naturally over hundreds of thousands of years and is unrelated to any changes over the past century.