The show [ StarTalk ] was born as a radio program out of a National Science Foundation grant.

As religion is now practiced and science is now practiced, there is no intersection between the two. That is for certain. And it’s not for want of trying. Over the centuries, many people—theologians as well scientists - have tried to explore points of intersection. And anytime anyone has declared that harmony has risen up, it is the consequence of religion acquiescing to scientific discovery. In every single case.

You can't be a writer and have nothing to write about. You have to have life experiences.

So what is true for life itself is no less true for the universe: knowing where you came from is no less important than knowing where you are going.

Apart from the obvious advantages of having ice to melt, filter, then drink, you can also break apart the water's hydrogen from its oxygen. Use the hydrogen and some of the oxygen as active ingredients in rocket fuel and keep the rest of the oxygen for breathing. And in your spare time between space missions, you can always go ice skating on the frozen lake created with the extracted water.

Only when you question does society move or advance at all.

To achieve this density of a neutron star at home, just cram a herd of 50 million elephants into the volume of a thimble.