There could be more to the universe than the three dimensions we are familiar with. They are hidden from us in some way, perhaps because they're tiny or warped. But even if they're invisible, they could affect what we actually observe in the universe.

There is real confusion about what it means to be right and wrong - the difference between what spiritual beliefs are and what science is.

We live in a world where there are many risks, and it's high time we start taking seriously which ones we should be worried about.

Lisa Randall Quotes