When you first jump into a swimming pool on a really warm day, the water feels rather chilly at first, but then you get used to the cold temperature. Why?

Answered by Tamara Cox, RN, Eastern Idaho Public Health Human skin contains different kinds of sensory receptors (cells) that can identify several distinct types of sensations, such as tapping, vibration, pressure, pain, heat, and cold. Each receptor is triggered by a specific stimulus. Thermoreceptors detect temperature changes and send electrical pulses through sensory nerves to…

My geraniums were so pretty this summer. Is there a way I can keep them alive over the winter to replant in the spring?

Answered by Betsy Holmes, Master Gardener Geraniums (Pelargonium spp.) are native to South Africa and are grown as annuals in most parts of the United States, but they are actually tender perennials. The four common types of geraniums are scented-leaf, ivy-leaf, Martha Washington, and zonal (Pelargonium x hortorum).  Zonal are the most common geraniums sold…

Career questions for a radiologist.

Questions Answered by Dr. James Schmutz, MD, Neuroradiologist How many years of school does it take to become a Radiologist after high school? Undergraduate college degree 4 years + medical school 4 years + 1 year internship + 4 years radiology residency (+ optional fellowship in a subspecialty 1-2 years) = 13 years (or 14-15 years with…