Collaborators Quote by Lisa Randall

The Cretaceous-Paleogene extinction was a horrible event. Dinosaurs and many other animals and plants were killed.

— Liu Cixin

The extinctions ongoing worldwide promise to be at least as great as the mass extinction that occurred at the end of the age of…

— E. O. Wilson

The dinosaurs became extinct because they didn't have a space program.

— Larry Niven

Why dinosaurs are extinct.

— Alla

I was watching Discovery Channel the other day, and you know that they have come up with a new theory about how dinosaurs was…

— Jay Leno

“I sat back in my chair - it was almost impossible to take all this in at once. The dinosaurs were wiped out by…

— Tracey Lee Campbell

While we didn't know the dinosaurs personally, we do know that they were wiped out by an asteroid impact.

— Rusty Schweickart

Eventually, I believe, everything evens out. Long ago an asteroid hit our planet and killed our dinosaurs. But in the future, maybe we'll go…

— Jack Handey

Kiss me if I'm wrong but dinosaurs still exist right ?

— RMKATTA

The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll…

— Larry Niven

Dinosaurs may be extinct from the face of the planet, but they are alive and well in our imaginations.

— Steve Miller

The dinosaurs disappeared because they could not adapt to their changing environment. We shall disappear if we cannot adapt to an environment that now…

— Arthur C. Clarke