Our Chemical Lives • 2015 • episode "2/10" • Catalyst: Season 1

5:04

Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence?

TED-Ed • Health

49:54

From Oscar-nominated director Scott Hamilton Kennedy (The Garden) and narrated by Neil deGrasse Tyson, Food Evolution investigates the brutally polarized debate surrounding GMOs and our food. Traveling from Hawaiian papaya groves to banana farms in Uganda to the cornfields of Iowa, Food Evolution wrestles with the emotions and the science driving one of the most heated arguments of our time.

2018 • Health

21:30

Behind that cup of coffee or tea is a global story that goes back to the collision that created the Moon and the evolution of plant and animal life. The key is the molecule that gives your morning cup its kick: caffeine, the most popular drug in history.

07/17 • Big History • 2013 • Health

59:04

These days, transplant surgery saves thousands of lives every year and almost everything, from heart to eyes, can be replaced. But in the beginning, transplants killed rather than cured, because surgeons didn’t understand that they were taking on one of the most efficient killing systems we know of – the human immune system.

3 • Blood and Guts: A History of Surgery • 2009 • Health

59:01

Presenter Michael Mosley finds out how the early days of surgery were dark and barbaric, when the surgeon’s knife was more likely to kill you than save you, and invasive medicine generally meant being bloodlet by leeches to within an inch of your life.

5 • Blood and Guts: A History of Surgery • 2009 • Health

2:37

Why MDMA Makes You Feel Good (and Then Really Bad)

2014 • Health