Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.


The Sky Is Not the Limit: Adventures of an Urban Astrophysicist (ed. Prometheus Books, 2010) - ISBN: 9781616141202

Neil deGrasse Tyson Quotes

Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.

Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.

Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.

Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.