41.   Low artificial light can even modulate the clock-resetting effects of bright sunlight, he said.

42.   Photo sensors continuously measure the amount of daylight in the building and adjust the light fixtures so only the necessary amount of artificial light is used.

43.   Sensors responded by turning up the artificial light in the plant compartment, increasing oxygen production.

44.   Sorensen said that parents sometimes expressed concern about how much time the children would be spending in artificial light.

45.   The artificial lights inside adjust automatically to the amount of daylight coming in.

46.   The classroom was without artificial light.

47.   The grouse shot and eaten by a hunter has led a far better life than a chicken raised in a horrid, cramped pen indoors under artificial lights.

48.   This same bolt of linen is now the stuff of formal interiors, a bit dulled under artificial light, mannerly but not heavy.

49.   What about artificial lights?

50.   Wehr concluded in a recent study that artificial light suppressed the ability of men, but not women, to distinguish between summer and winter daylight patterns.