Earthquake Precursors: Signs of a Coming Tremor?

Animals reportedly fled before the 1959 Montana earthquake. Image credit: USGS

What’s the best earthquake indicator? There are many ways to determine if a quake is coming but hindsight is currently the best measure of future tremors.

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Best Calcium Source: Foods or Supplements? Calcium Supplementation and Heart Attack Risk

Calcium supplements may not be right for everyone. Check with your doctor to see what your individual nutritional needs are. Photo by: Kham Tran

How should you get your calcium? Studies show that supplements may actually be harmful, and that getting your calcium from food sources is optimum for uptake.

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Foraging and Parasites: Are You In Danger When You Eat Wild Food?

Many people enjoy picking wild blackberries. Image by Brombaer CC BY-SA 2.0

When you are foraging for wild food, keep parasites in mind – your snack could be contaminated by larvae that will infest you or your pets.

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Ethyl Mercury vs. Methyl Mercury: What’s The Difference?

Methylmercury (above) and ethylmercury (below). Image by Clara Piccirillo

Methylmercury and ethylmercury are two organic mercury compounds which could be both dangerous for human health. What’s the difference between the two?

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Portable Antiquities from Conflict Zones: Identifying and Safeguarding Cultural Heritage

Jewelry excavated with the Afghanistan Oxus hoard: Image by dynamosquito

If you receive a gift of jewelry or antiquities from a war-zone or other foreign region, check to make sure it’s not part of the area’s cultural heritage.