Unsettled pattern continues with clouds, occasional shower chances and a push of cooler air to round out the month of October ...

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There are three major ways by which the rate of genetic drift can be modelled in the simplest type of population: increase in variance of allele frequencies; approach to identity by descent of all ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...