It's still winter. Slow down.

He was cleaning out vents in the ceiling in which inmates had put wads of toilet paper.

Nobody actually saw him fall, so nobody can actually say how it happened.

I find that 'Ghostbusters' and 'Alien' actually have a lot in common in that they're both so naturalistic in the performances. It feels like people you could be hanging out with right now in this room, yet they're on a spaceship or killing ghosts. But the way they talk is never heightened or otherwordly.

Gene delivery is complicated because it's difficult for us to know how to change the properties of the virus. So, in this study, we did it the same way nature does it. By using random mutation, we were able to get about 10 million different variants. Now, we have a lot of versions of the virus to choose from. And we've selected about a half dozen of them that we are focusing on.

Gene therapy is a promising approach to curing disease, but for a number of years, the problem has been the vehicles in which we deliver the genes.