Do insects sleep?

Answered by Jessica Fultz, Entomologist, Idaho State University Nearly all insects go through cycles of activity and inactivity the most common being the 24 daily cycle; the circadian (around a day) cycle.  The circadian cycle is like an internal clock that is set by periods of dark and light.  When active, insects are looking for…

I noticed this week (October 8th), that though the water of the South Fork in the Ririe area is clear, there are huge clumps of algae in the water and covering the rocks. I’ve never noticed this much algae before. Is there a reason?

Question answered by Gregg Losinski, Environmental Science Educator This is a great question based on an interesting observation. Like many great questions, the answer may not be a simple one. Without knowing what exactly was being observed it is hard to give a definitive answer, but the potential answers are all possible. The most important…

If pronghorn winter diet is close to 100% sagebrush, how do they process the terpenoid oils in the plant when other browsers can’t?

Question answered by Dr. Jericho Whiting, Biology Professor, BYU-Idaho Sagebrush provides a ready source of winter nutrition for pronghorn, because of its nutritional quality and relative availability on sagebrush-dominated winter range used by these ungulates. Three adaptations by pronghorn allow them to eat sagebrush in winter. First, pronghorn are opportunistic herbivores. As such these animals are able to…

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…

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…