/u/dragodon64's posts in /r/askscience

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How did humans hunt before the invention of spears?

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Why do fluids make some surfaces, such as cloth, paper and cement, darker, while not affecting others, such as steel, plastic or glass?

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Why/how are there more Uracil NTPs and more Thymine dNTPs in a cell?

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How might a bacterial cell control copy number of its plasmid?

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Are bacterial genes typically organized into operons do novo, or is there some mechanism that spatially reorganizes genes into similar function groups?

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How much extra water does a person with a cold lose per day in the form of phlegm?

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Are there any phylogenetic trees of bacterial species labelled for aerobe status?

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How does caffeine toxify the environment?

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Why does better hygiene has help reduce infection of the oral/nasal areas so much in modern times, but it doesn't seem to help much in the genital regions?

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If flexing the abdominal muscles compresses the abdominopelvic cavity, why do testes get pulled in?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How did humans hunt before the invention of spears?	2
Why do fluids make some surfaces, such as cloth, paper and cement, darker, while not affecting others, such as steel, plastic or glass?	2
Why/how are there more Uracil NTPs and more Thymine dNTPs in a cell?	2
How might a bacterial cell control copy number of its plasmid?	2
Are bacterial genes typically organized into operons do novo, or is there some mechanism that spatially reorganizes genes into similar function groups?	1
How much extra water does a person with a cold lose per day in the form of phlegm?	1
Are there any phylogenetic trees of bacterial species labelled for aerobe status?	1
How does caffeine toxify the environment?	1
Why does better hygiene has help reduce infection of the oral/nasal areas so much in modern times, but it doesn't seem to help much in the genital regions?	1
If flexing the abdominal muscles compresses the abdominopelvic cavity, why do testes get pulled in?	1