Nathan Sawaya

There's a fun, nostalgic aspect to Legos - people connect to the art on a different level. But it's also a medium that lets me design anything I can imagine. I especially enjoy creating curvy forms using rectangular pieces. Up close, you notice the sharp angles, but when you back away, the corners blend into curves.

The jet stream is a very strong force and pushing a balloon into it is like pushing up against a brick wall, but once we got into it, we found that, remarkably, the balloon went whatever speed the wind went.

In a Harvard University study, the diets of nearly 1,000 women were analysed before their morning melatonin levels were measured. Meat consumption was the only food significantly associated with lower melatonin production, for reasons that are as yet unknown.

You make your first album, you make some money, and you feel like you still have to show face, like 'I still go to the projects.' I'm like, why? Your job is to inspire people from your neighborhood to get out. You grew up there. What makes you think it's so cool?