Astronauts returning from space say they experience what's called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe offers a similar change in perspective — along with some fascinating language. Plus, different names for a delicious drink: one part lemonade, one part sweet tea. A famous golfer loved it. And why do we say that's my two cents after offering an opinion? Would it be better to say that's my one cent? Also, GUTs vs. TOEs, how to pronounce buoy, pore over vs. pour over, wally, a surprising pronunciation of prestige, piker, is all, a brain-teaser about orphan syllables, and more.

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