/u/yupko's posts
Lung adaptation to new altitudes--does it last? And could somebody adapt to higher and higher places and eventually breathe at the highest mountains in the world?
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Before grasses evolved, was there more or less plant biomass than today? Were the plants then as opportunistic or successful as grasses?
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The dinosaurs who had feathers, did they have scales under those feathers? If so when did birds/avian dinosaurs lose their scales entirely?
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Since a lot of old maps (before the late 19th century) showed historical regions as opposed to actual countries, how do historians make accurate maps of the past?
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Is it possible that the Earth has fluctuated in size in the past? If so, in what ways, and due to what processes?
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