Highest Rated Comments


j-m-kays7 karma

So, a sample return mission to Mars would tell you a lot, right?

j-m-kays6 karma

Can you explain the concept of forest dieback and if you think that is happening or will happen in the Amazon? Can you think of any comparable forest diebacks in other parts of the world, in recent history or farther back?

j-m-kays5 karma

Is there something unique about the geography of the Amazon and the nature of the fires that makes them particularly difficult to fight?

j-m-kays3 karma

You have been to both the North Pole and the South Pole. What is it about these environments that helps you understand plants in space?