“If a process or adaptation seems too smart for nature, that's a failure of your imagination, not the hand of God. I can make that claim because we have a working model of life's morphing and moldin...”

“The disturbing truth about science communication is that we have theories and ways of delivering messages that really are like putting a candle to the dark, as Carl Sagan would say. We aren't sure ...”

“Thor is magical, yes, but it is the magic of reality. His hammer was crafted 'in the heart of a dying star,' but so were you! Most of the atoms that make you up are in fact the innards of a ball of...”

“Evolution is ultimately why cancer is so deadly. Take two biopsies from different sides of a tumor, and they can be genetically very different, making it that much harder to fight. Variation is the...”

“How the original 'Cosmos' affected me personally was long-term. I wasn't born early enough to see the original series, but after getting a hold of it in my teen years, it was one of the driving for...”

“Imagine how many women could excel in science if not for the pernicious myth that science and math are a man's game. Likewise, fitness isn't defined by the Arnold Schwarzeneggers of the world.”

“There's a sunrise and a sunset every single day, and they're absolutely free. Don't miss so many of them.”

“A morning-glory at my window satisfies me more than the metaphysics of books.”

“When you arise in the morning, think of what a precious privilege it is to be aliveto breathe, to think, to enjoy, to lovethen make that day count!”

“Let no one who loves be unhappy, even love unreturned has its rainbow.”

“Before we had airplanes and astronauts, we really thought that there was an actual place beyond the clouds, somewhere over the rainbow. There was an actual place, and we could go above the clouds a...”

“A true flag is not something you can really design. A true flag is torn from the soul of the people. A flag is something that everyone owns, and that's why they work. The Rainbow Flag is like other...”