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Dr. Krishna Kumari Challa replied on Tuesday to Some Qs. people asked me on science and my replies to them - Part 94

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Dr. Krishna Kumari Challa replied Apr 9 to Some Qs. people asked me on science and my replies to them - Part 93

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Dr. Krishna Kumari Challa replied Apr 8 to Some Qs. people asked me on science and my replies to them - Part 92

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"112 T.H. Saey. Researchers pull fingers to solve why knuckles crack. Science News. V…"

Dr. Krishna Kumari Challa replied Apr 4 to Some Qs. people asked me on science and my replies to them - Part 91

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Dr. Krishna Kumari Challa replied Mar 27 to Some Qs. people asked me on science and my replies to them - Part 90

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Dr. Krishna Kumari Challa replied Mar 23 to Some Qs. people asked me on science and my replies to them - Part 89

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Dr. Krishna Kumari Challa replied Mar 20 to Some Qs. people asked me on science and my replies to them - Part 88

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Dr. Krishna Kumari Challa replied Mar 12 to Some Qs. people asked me on science and my replies to them - Part 87

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Dr. Krishna Kumari Challa replied Feb 24 to Some Qs. people asked me on science and my replies to them - Part 86

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Dr. Krishna Kumari Challa replied Feb 17 to Some Qs. people asked me on science and my replies to them - Part 85

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