Each tunnel in the sky must react to other tunnels in the same way as it does to keep clear of terrain.

The ants are doing great. They're moving around like crazy, tunneling, and we're seeing a clear difference between the tunnels in space and on Earth.

If we're going to be able to react, we need to react quickly,

Cloudy water does not clear by stirring it. A cloudy sky does.

When you get punched in the gut there are two ways you can react. You can put your fists up and fight or you can run away.

See, I think there are roads that lead us to each other. But in my family, there were no roads - just underground tunnels. I think we all got lost in those underground tunnels. No, not lost. We just lived there.