Category Archives: Science

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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What Causes the Pain in Your Side You May Occasionally Feel While Running

Thoracic Diaphragm

Today I found out what causes the pain in your side you may occasionally feel while running or doing other jarring activities. This pain, known often as “side stitch” and more technically as “exercise related transient abdominal pain” (ETAP), often occurs while running, swimming, and horse riding, among others; it is caused by various stresses on your diaphragm that result […]

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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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