Months locked in a tiny box - how solitary confinement can erode mental health; When is your brain stronger than your genes? How the mind can fool the body; 50 million deaths in the New World drove cooling in the the Little Ice Age; Searching for Endurance: Antarctic researchers hunt for the relics of Antarctic adventurers; A stick-on sensor sucks in sweat and can reveal dehydration and more; How do birds find their prey when hunting in muddy water?