WWWow

Wednesday’s Wonderful World Of Wikipedia: Negative Calorie Foods

Wednesday’s Wonderful World of Wikipedia for this week is a link to a list of foods that have negative calories. Although no foods actually contain negative calories, this list contains foods that require more energy to break down than is released from the chemical digestion of that foodstuff, resulting in a net loss of energy (calories) experienced by the body.

Libration

Today on Wednesday’s Wonderful World of Wikipedia is the concept ofLibration. In astronomy libration (from the Latin verb libro -are “to balance, to sway”, cf. libra “scales”) refers to the various orbital conditions which make it possible to see more than 50% of the moon’s surface over time, even though the front of the Moon is tidally locked to always face towards the earth. As the orbital processes are repetitive, libration is manifested as a slow rocking back and forth (or up and down) of the face of the orbital body as viewed from the parent body, much like the rocking of a pair of scales about the point of balance.

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