What If Love Didn’t Exist?

Love can make us do some pretty crazy things. When we’re in love, our brains release a cocktail of neurochemicals that not only affect our moods and our well...

What If We Extinguished the Sun?

How much water would you need to extinguish the Sun? How would we deliver such an enormous amount of water anyway? Would all that water even make it to the star...

What If We Built Cities on the Moon?

If you could, would you live on the Moon? Not as one of the courageous early settlers, but as a citizen of a fully-functioning Moon city. What would they be built out of...