Extras

Video thumbnail: Extra Life: A Short History of Living Longer Alexander Fleming's Messy Desk Leads to a Major Discovery

Extra Life: A Short History of Living Longer

Alexander Fleming's Messy Desk Leads to a Major Discovery

Alexander Fleming's untidy desk becomes the key to a major scientific breakthrough.

Alexander Fleming's Messy Desk Leads to a Major Discovery

Video thumbnail: Extra Life: A Short History of Living Longer How Gertrude Elion Became a Pioneer of Modern Medicine

Extra Life: A Short History of Living Longer

How Gertrude Elion Became a Pioneer of Modern Medicine

Gertrude Elion's role in developing drugs made her a pioneer of modern medicine.

How Gertrude Elion Became a Pioneer of Modern Medicine