/u/rethinkr's posts
Often, supermarkets sell 'green veg', but it's not that green. Does this mean it is chlorophyll (the green causer) that is nutritious, as yellow or completely faded lettuce I assume isn't worth eating except for its fiber content?
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Why does a whistle work on dogs, but a chirp works on cats- is this merely sound frequency or related to their hunting evolution?
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Can food go ‘off’ after you’ve eaten it, only growing enough bacteria to cause food poisoning while it’s already inside your system?
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