The biotechnology industry periodically goes through money droughts, but some say this one is the worst.

"I'll want to go back to the island periodically."

It's like those monkeys that periodically go to the other world; when they return, their every bite is pure wisdom.

The closest to a town was five miles from Nenana, where he went periodically to pick up his mail and supplies.

The people you bag, they never give you everything all at once, and so you go back to them periodically.

By exposure, he meant publicity, and in this, the line goes over the top periodically.

But we go through that kind of change periodically.

It turns around in the sand, like a zen garden, with sounds going on and off periodically.

Periodically go through the boxes and throw away things when you feel the emotional attachment waning.

They all have armies and go on rampages of destruction periodically.