/u/hirst's posts
How did the telephone system expand across the United States? Was it government-sponsored, or primarily a private business development? I suppose this question can be expanded to infrastructure in general (power, sewage, etc.)
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Since insects are only limited by size due to the percentage of oxygen in the atmosphere, if they were to be put in a high-oxygen closed environment, would they increase in size?
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What are some animals that are seemingly similar but evolutionarily came from two completely different branches?
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if AZT is still used in the treatment of HIV, why were there numerous stories in the late 80s of it not working for people, or making people sicker?
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Given that we can observe superclusters on the cusp of the observable universe, does that give any insight into weather there's a continuation of galaxy/filaments past the observable universe?
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