Bats, caves, danger and exotic locales. That should catch your students’ attention! The big story here is the co-evolution of viruses and their nonhuman animal hosts, who seem to have a harmless, symbiotic relationship with viruses that cause deadly outbreaks in humans. Though this story is about Marburg virus and a fruit bat, the concepts […]

Ask your students how much milk they’ve had in the past 24 hours. I predict the amounts will be dismally low.
The Office of Dietary Supplements, National Institutes of Health, reports in its Dietary Supplement Fact Sheet: Calcium:

The National Health and Nutrition Examination Survey 1999-2000 found that average calcium intakes were 1,081 and 793 mg/day for […]

Every middle school student has heard of the flu. They may even have had it, or more likely, they have had some other virus described as the flu. Most students would consider the flu unpleasant, but probably not potentially fatal. Now is a good time to help students learn more about influenza. But where do […]

It’s flu season. Have you been vaccinated? Many of us choose this option because it makes sense to us personally; we prefer to avoid illness wherever possible! Have you had your child between the ages of 6 months and 18 years immunized, as recommended by the Centers for Disease Control (CDC)? That question may cause […]

Well, it’s almost that time again. You can almost see it, smell it, taste it—that perfectly cooked, magnificent bird! How on earth could it ever be a nuisance, and what do trees have to do with anything? After all, their time will come—next month.
Back up. Where did that bird come from? More than likely it […]

Sounds like a riddle, but it’s not trivial. We’ll get back to that in a minute. First consider the scenario: The class arrives from physical education. Today’s activity was mat ball, a variation of dodge ball involving lots of kids and lots of contact with balls and mats. They’re pumped, a little sweaty and out […]

DEET (short for N,N-diethyl-meta-toluamide) is the most widely used insect repellent in the world for a very good reason – it works really, really well! Just a quick spray on exposed skin keeps mosquitoes, flies, fleas, chiggers, and ticks away. Developed by scientists at the U.S. Department of Agriculture and patented by the U.S. Army […]

What’s better than a day at the beach? A day at the beach and not being miserable for the next several days because of sunburn! That’s where the modern miracle of sunscreen comes into play. Did you know many sunscreens are products of nanotechnology? An advisory statement from the Australian Government’s Therapeutic Goods Administration, Safety […]

Depression, Exercise, and Genetics
Chances are some your students or their family members are currently battling depression, and thus may be interested in this story. The link between regular exercise and mood enhancement has been known for some time now. Scientists have established that exercise increases levels of neurotransmitters such as dopamine and serotonin, which in […]

More than once in the past year and a half, newscasts from the sites of fatal coal mine accidents have riveted the nation’s attention. Recently, the New York Times reported on an investigator’s findings that a federal agency failed to conduct required safety inspections in many U.S. coal mines during this time.
We can assume that […]