What If The Earth Had Two Moons?

  But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...

What If We Had Two Suns?

[dx_custom_adunit mobile_id=”RTK_v1lP”] There are sunsets on other planets even more spectacular than the ones on Earth. What if we could see not just one...

What If Humans Became Cold-Blooded?

  Have you ever met someone who always feels cold, even when everyone else is warm? We tend to joke that these people are “cold blooded,” but do we even...