Science Questions Answered By Experts in the Field

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

April 30, 2013 by Janelle Vaesa 1 Comment

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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Filed Under: Ask the Expert, Headlines, Health

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

April 10, 2013 by Rosemary Drisdelle Leave a Comment

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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Filed Under: Ask the Expert, Microbiology

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

February 4, 2013 by Clara Piccirillo, PhD Leave a Comment

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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Filed Under: Ask the Expert, Chemistry

Portable Antiquities from Conflict Zones: Identifying and Safeguarding Cultural Heritage

December 28, 2012 by Val Williamson, PhD Leave a Comment

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.

Filed Under: Anthropology, Ask the Expert, Headlines

Estimating Whether No Two Snowflakes are Alike

December 24, 2012 by Mike DeHaan Leave a Comment

Snowflakes on Blue : Image by Juliancolton2 (Julian Diamond)

Everyone says that no two snowflakes are alike, but how do we really know? By calculating the probability based on the Birthday puzzle in math.

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Filed Under: Ask the Expert, Headlines, Mathematics

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Using Social Science to Improve Your Health. Image by Gina Barrett Putt

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

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

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

Portable Antiquities from Conflict Zones: Identifying and Safeguarding Cultural Heritage

Estimating Whether No Two Snowflakes are Alike

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