j-m-kays

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

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?

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

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?

A lot of managers are dealing with employees working at home for the first time. Do you have any suggestions on how they can keep their employees engaged so they don't get bored?