Publicly and among themselves biologists rightly celebrate the diversity of life on Earth... At the end of the day, however, their confession is heard by no one: they work with a single scientific sample-life on Earth.
Neil deGrasse TysonThere's nothing a teacher likes better than ten minute videos. It's not the whole class, but it's not too short, it's enough to wrap a lesson plan around.
Neil deGrasse TysonDark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what the cause is.
Neil deGrasse TysonToo many people view on [space exploration] as a luxury rather than as a fundamental driver to stimulate interest in science to everyone in the educational pipeline. It's vital to our prosperity and security.
Neil deGrasse Tyson