Science isn't just about solving this or that puzzle. It's about understanding how the world works: the whole world from the vastness of the cosmos to the particularity of an individual human life. It's worth thinking about how all the different ways we have to talk about the world manage to fit together.

A full understanding of what happens in our everyday lives needs to take into account what happened at the Big Bang. And not only is that intrinsically interesting and just kind of cool to think about, but it's also a mystery that is not given much attention by working scientists; it's a little bit underappreciated.

The idea that time is an illusion is an old one, predating any Times Square ball drop or champagne celebrations. It reaches back to the days of Heraclitus and Parmenides, pre-Socratic thinkers who are staples of introductory philosophy courses.

If time travel were possible, you still wouldn't be able to change the past - it's already happened!

We talk nonstop about what needs to be changed, and everyone has excuses for why the changes can't happen. I believe we must change our educational system first to get the changes moving forward. I'm happy to be a voice and get in front of an audience who can help by making education a priority.

Russia was culturally isolated for so long that some sort of transformation needs to happen and will happen.

There have been moments where I've had to question the way I've used social media and change it. Not because anything was wrong or right but because my needs had changed, and my perspective had changed.

As people grow and evolve, we still are the experiences that we had in our childhood, but they shape us in different ways.