7 -- One second used to be defined as 1/86,400 the length of a day. However, Earth’s rotation isn’t perfectly reliable. Tidal friction from the sun and moon slows our planet and increases the length of a day by 3 milliseconds per century.
8 -- This means that in the time of the dinosaurs, the day was just 23 hours long.
Randomized Controlled Trials of Medicare and Medicaid, Please
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Medicaid failed the test the federal government uses to determine whether
new elixirs save lives. The Oregon study’s null results do not appear to
have sha...
28 minutes ago
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