Rainbows cannot be seen unless there are drops of water suspended in the air after the rain.
Frequent exposure to noises of 80 decibels or above and even expo- sure of a sufficient duration to sounds in the 70 to 80 decibel range lead to diminished hearing ability.
The plan to protect the people who live and work near the nuclear power plant is inadequate and may never be workable. Dental schools across the country are finding that requests for applications are decreasing.