Why don't umbilical cords become tangled? - a podcast by Dr Chris Smith
from 2011-11-15T00:00
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Given that a foetus is essentially a swimming thing on the end of a piece of string, how is it that the two don't become tangled more often? Find out in this jelly-like QotW. Plus, we ask what would happen if two black holes met. Like this podcast? Please help us by supporting the Naked Scientists
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