Well, when I think of the future, I never see myself moving forward in time. I actually see time moving backward towards me.

And what we found is that if we gave these flies in the puff-o-mat several puffs in a row, they became somewhat hyperactive and continued to run around for some time after the air puffs actually stopped and took a while to calm down.

He's a graduate student in philosophy, and he's set up a website called 80, 000 Hours, the number of hours he estimates most people spend on their career, to advise people on how to have the best, most effective career.

Besides creating over 800 square meters of new habitats and living reef, visitors to the marine park in Cancun now divide half their time between the museum and the natural reefs, providing significant rest for natural, overstressed areas.

Then a few hours later, waking up and go, "Ah, it's time to get the kids to school --" What is this?

Now, there are a lot of pieces of Dr. Bostrom's argument to unpack, and I don't have time to unpack them all, but very briefly, consider this: super knowing is very different than super doing.

Quite a few years of life have strengthened my conviction that each and everyone's existence is deeply tied to that of others: life is not time merely passing by, life is about interactions.

"Your life would be better if you could work a little less, didn't have to work so hard, got home a little earlier, could retire a little faster, punch out a little sooner."

The amazing part of this process -- and of course, I mean, I would love to -- I only have 18 minutes, I've already given you quite a substantial amount of my time, right?

I've got apparently 18 minutes to convince you that history has a direction, an arrow; that in some fundamental sense, it's good; that the arrow points to something positive.