How to Engage Your Core During a Workout

How many times have you been in a workout class and heard the instructor say the cue “engage your core”? Maybe you tighten your abs, hold your breath, or tuck your pelvis—but is that actually how to engage your core? Fitness experts often emphasize the significance of having an engaged core during a workout. However,…

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Why We Have Leap Years

It would seem awfully hard to lose track of 0.24219 of a day. That not-inconsiderable amount adds up to five hours, 48 minutes and 20 seconds and if it were added to the clock in any 24-hour period, you’d surely notice it. But if the same span of time were spread out over the course…

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