/u/Velvet_frog's posts in /r/askscience

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Did the Earth’s natural landscape in the Cretaceous period look virtually identical to today’s world with grassy plains, green forests and jungles, blue lakes and rivers? Or would it seem like an alien world to us with different size, shape and colour flora and fauna?

26 upvotes

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In depictions of dinosaurs from say the Triassic era, the background landscape of the image is often full of extreme geological environments. Did the earth just have more ‘extreme’ landscapes 250 million years ago?

18 upvotes

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How ‘sensitive’ is a whale’s skin? Or other large sea creatures. Would a whale know if I tapped its tail for example?

13 upvotes

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Is it conceivable that planets with similar gravity and atmosphere conditions to earth would have intelligent lifeforms similar to the human shape if they became as intelligent as humans? I.e is the humanoid shape (two arms, legs, upright etc.) the most ‘efficient’ form for intelligent species?

1 upvotes

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Depictions of what dinosaurs, in say the Jurassic era, may have looked like often have extreme landscapes and geologically active earthscapes in the background. Did the planet just have more extreme geology examples 250 M.Y.A

1 upvotes

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For how long could a healthy person walk at 4 miles an hour without stopping?

1 upvotes

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Why is that, after I drink cold beverage chocolate crumbles apart when I chew it, but melts if I drink something hot?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Did the Earth’s natural landscape in the Cretaceous period look virtually identical to today’s world with grassy plains, green forests and jungles, blue lakes and rivers? Or would it seem like an alien world to us with different size, shape and colour flora and fauna?	26
In depictions of dinosaurs from say the Triassic era, the background landscape of the image is often full of extreme geological environments. Did the earth just have more ‘extreme’ landscapes 250 million years ago?	18
How ‘sensitive’ is a whale’s skin? Or other large sea creatures. Would a whale know if I tapped its tail for example?	13
Is it conceivable that planets with similar gravity and atmosphere conditions to earth would have intelligent lifeforms similar to the human shape if they became as intelligent as humans? I.e is the humanoid shape (two arms, legs, upright etc.) the most ‘efficient’ form for intelligent species?	1
Depictions of what dinosaurs, in say the Jurassic era, may have looked like often have extreme landscapes and geologically active earthscapes in the background. Did the planet just have more extreme geology examples 250 M.Y.A	1
For how long could a healthy person walk at 4 miles an hour without stopping?	1
Why is that, after I drink cold beverage chocolate crumbles apart when I chew it, but melts if I drink something hot?	1