Assertion: neanderthal's nose | /r/CreatedBy | genetic drift
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Source sentences:
text: Nonetheless, they had cold-specific adaptations, such as specialised body fat storage and an enlarged nose to warm air (though the nose could have been caused by genetic drift).
text: The large Neanderthal nose and paranasal sinuses have generally been explained as having warmed air as it entered the lungs and retained moisture ("nasal radiator" hypothesis); but sinuses are generally reduced in cold-adapted creatures, and it may have been that the large nose was caused instead by genetic drift.