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

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Does all life on earth originate from the same source? In other words, do humans and cabbages share a common ancestor?

573 upvotes

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What's the science behind 'deadheading' flowers? Are you simply redistributing nutrients to more healthy nodes, or are the plants somehow 'thinking' "if that didn't work, I'll try flowering here."

1 upvotes

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Did all flowers evolve from a common ancestor, or could different plants in different parts of the world have evolved the same reproductive system independently?

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Is it better for me to eat the whole pizza now, or to eat half now and the other half tomorrow morning?

1 upvotes

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How many generations of separation would it take for two groups of humans to evolve into separate species?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does all life on earth originate from the same source? In other words, do humans and cabbages share a common ancestor?	573
What's the science behind 'deadheading' flowers? Are you simply redistributing nutrients to more healthy nodes, or are the plants somehow 'thinking' "if that didn't work, I'll try flowering here."	1
Did all flowers evolve from a common ancestor, or could different plants in different parts of the world have evolved the same reproductive system independently?	1
Is it better for me to eat the whole pizza now, or to eat half now and the other half tomorrow morning?	1
How many generations of separation would it take for two groups of humans to evolve into separate species?	1