21.   There were some rays of light.

22.   There is one ray of hope in the mildew battle, at least for mildew growing on roofs.

23.   There is one ray of hope concerning the plague of peeling paint caused by moisture from inside the house.

24.   There are a few rays of hope for Messinger on an otherwise dark political horizon.

25.   UVB rays are more likely to cause sunburn but UVA rays enter deeper into the skin.

26.   UVA rays are the longest and penetrate deep into the skin, damaging collagen, the connective tissue that keeps skin young and firm.

27.   UVB rays are the ones that cause sunburn.

28.   UVC rays are the strongest ultraviolet rays and would be the most dangerous, except that they are normally filtered out by atmospheric ozone and never reach the Earth.

29.   Ultraviolet B rays are most directly responsible for burning.

30.   Where was this ray of sunshine when the edgy Fox network had the U.S. television rights?