The flu is very unpredictable when it begins and in how it takes off.

Keep in mind that there are many neurotoxins in the world. Dozens of natural and industrial substances have neurotoxic properties.

Are we at some kind of evolutionary equipoise as a species? Or, are we destined to become something different - something, perhaps, even better adapted to the environment?

Evolution is all about passing on the genome to the next generation, adapting and surviving through generation after generation. From an evolutionary point of view, you and I are like the booster rockets designed to send the genetic payload into the next level of orbit and then drop off into the sea.

Nature is the worst terrorist you can imagine.

At the bottom of the ocean, bacteria that are thermophilic and can survive at the steam vent heat that would otherwise produce, if fish were there, sous-vide cooked fish, nevertheless, have managed to make that a hospitable environment for them.

The flu is very unpredictable when it begins and in how it takes off.