It's almost a vicious cycle.

I think the take-home message ... is anything is better than nothing, a little more is probably better.

Their overall satisfaction with their lives appears to be greater if they're more physically active.

The multiverse, she said, was like an old library whose shelves were packed with books arranged by a cataloguing system that ranked them according to similarity, each book containing within its covers a story that varied only slightly from the stories of its immediate neighbours, but by increasing degrees from those of increasingly distant books.

We have now gone beyond 100 in number, and the desire to join seems rather to increase, though it was thought the foundations would retard it, it seems quite otherwise.

Keeping the human race in check must require a lot of multitasking.