/u/ECatPlay's posts
Numerically there have been more deaths from the common flu than from the new Corona virus, but that is because it is still contained at the moment. Just how deadly is it compared to the established influenza strains? And SARS? And the swine flu?
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NASA successfully nudged Dimorphos into a different orbit, but was off by a factor of 3 in predicting the change in period, apparently due to the debris ejected. Will we also need to know the composition and structure of a threatening asteroid, to reliably deflect it away from an Earth strike?
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Why can I see the wheel spokes on a car as it goes by if I'm not looking directly at it, but if I try to follow the wheels with my eyest hey are all blurred together ? Does the the brain only sample vision outside the center periodically so I get a strobe type affect?
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Is there some kind of overall, long term health risk index, to compare different chemicals? We have LD50 to compare how deadly things are that kill you outright, but is there a standard way to compare how dangerous long term exposure is to chemicals that aren't immediately toxic?
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How effective is topical application of a systemic medication like Androgel, as a drug delivery method? How much of the drug actually gets absorbed into the body, and circulated to where it is needed, before it is washed or worn off?
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As human bodies develop, what establishes the orientation and placement eyelashes adopt, to end up the way they need to be: all aligned and growing out away from the eye, not randomly oriented or growing into the eye?
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