We are currently studying clouds and rain. We were wondering what percentage of a cloud is actually water and what percentage of a rain cloud is dust and or other things?

Answered by Dennis Finn, Research Meteorologist, NOAA, Idaho Falls Most water in the atmosphere is in the form of water vapor, a gas. Warm air holds more water vapor than cold air. For a climate like Idaho Falls, water vapor content is typically about 0.4-0.5% in the summer and less than half of that during…

Will Vitamin C help me get over my cold?

Question Answered by Tamara Cox, RN, Eastern Idaho Public Health Department Continued from last week Vitamin C: Vitamin C is a popular treatment for the common cold, whether by orange juice or in tablet form. According to the National Institutes of Health (NIH), vitamin C is considered “possibly effective” for treat the common cold, but is ineffective…

How does bleach make things whiter?

Answered by Dr. Cathy Riddle, Chemist, Idaho National Laboratory Bleach is an oxidizing agent. This means that the bleach will react in certain ways with certain groups of chemicals. Natural stains, as well as dyes, are produced from chemical compounds called chromophores. Chromophores are generally molecules with long chains of alternating “double” and “single” bonds…