@maradydd John Baez wrote a lot about them in his old "This Week's Finds in Mathematical Physics" series. Hm hang on.
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Replying to @St_Rev
@maradydd http://www.amazon.com/The-Knot-Book-Colin-Adams/dp/0821836781 … is good, maybe TOO basic?1 reply 0 retweets 1 like -
Replying to @sarahdoingthing
@St_Rev how did our hair ever get to grow this long unless we've had brushes for like 50,000 years? suspicious...2 replies 1 retweet 1 like -
Replying to @sarahdoingthing
@sarahdoingthing@St_Rev how often do you shampoo? Or "how do hairy apes remain unknotty without the 'necessities' of toiletries?"1 reply 0 retweets 2 likes -
Replying to @MarquisOSnarkie
@MarquisOSnarkie@St_Rev I find it surprising that long gross dreads would be so much more adaptive than just short head fur1 reply 0 retweets 0 likes -
Replying to @sarahdoingthing
@sarahdoingthing@MarquisOSnarkie Brain uses 25% of calories, scalp radiates 25% of heat. During last ice age, dreads probably good.2 replies 0 retweets 1 like -
Replying to @St_Rev
@sarahdoingthing@MarquisOSnarkie The San peoples of Africa--an archaic population--are noted for 'peppercorn' hair.1 reply 0 retweets 1 like
@St_Rev @MarquisOSnarkie yup - like dark skin genes specific hair genes seem required-on-pain-of-death in most of africa pre-modernity
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