Tag Archives: science

Bananas Are Naturally Radioactive

banana radiation

Today I found out bananas are naturally radioactive.  This comes from the fact that they contain relatively high amounts of potassium.  Specifically, they contain Potassium-40, which is a radioactive isotope of potassium. The fact that bananas are radioactive has actually given rise to the radiation unit: “banana equivalent dose” (BED); this is the average amount of radiation you are exposed to by eating […]

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What Causes Muscle Soreness After Exercising (Note: It’s Not Lactic Acid)

Muscle Cell

Today I found out what causes muscle soreness after workouts. Since the early 20th century, this specific type of muscle soreness, called “delayed onset muscle soreness” (DOMS), was thought to be cause by lactic acid buildup in the muscles during strenuous workouts where your body’s oxygen supply is depleted.  Recent research has shown this is not the case at all […]

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All Lifesavers Spark When Chewed, Not Just Wintergreen

Lifesavers

Today I fount out that all lifesavers spark when chewed, not just the Wintergreen Lifesavers (also known as Wint-O-Green). The flash you see when these hard sugar candies are crunched is caused by triboluminescence, which is similar to the electrical charge build-up that produces lightning, except on a much smaller scale here.  With most hard sugar candies, this flash tends […]

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