We can trace the elements. They were forged in the centers of high-mass stars that went unstable at the ends of their lives, they exploded, scattered their enriched contents across the galaxy, sprinkled into gas clouds that then collapsed and formed stars and planets and life.

WhenIWasYourAge: People were never "living with their disease." We cured them. Or they died from it.

It's part of our pop culture to give animals human personalities and talents.

85 percent of the gravity of the universe has a point of origin about which we know nothing.

What scientists want next is a thorough comparison of what we and exosolar planets and vagabonds look like. Only in this way will we know whether our home life is normal or whether we live in a dysfunctional solar family.

Down there between our legs, it's like an entertainment complex in the middle of a sewage system. Who designed that?

When you're advancing a frontier it stimulates creativity to find solutions.