11.   In another step toward understanding the daily rhythms of life, scientists have identified the first biological clock gene in plants.

12.   In its daily rhythms, Milan often feels more Central European than Italian.

13.   Know your daily rhythm.

14.   Just why a sense of smell controlled according to a daily rhythm would be a good thing is a little difficult to understand.

15.   Much of the daily rhythm of business has come to depend on travel.

16.   Over the week, we developed a daily rhythm of maximum contrasts.

17.   So Waldman has invented sunglasses and contact lenses that he contends will allow people to go into the sunlight without upsetting their newly adjusted daily rhythms.

18.   The mutant mouse had a basic daily rhythm about an hour longer than normal mice, caused by a single defective gene, which Takahashi named the Clock gene.

19.   These animals are blind, yet they are as good at responding to light in setting their daily rhythms as their sighted litter mates, he said.

20.   Still, most refugees have settled into the daily rhythms of camp life and cling to the dream of heading home soon.