The molecular clock hypothesis was originally proposed by researchers Emile Zuckerkandl and Linus Pauling on the basis of empirical observations, but it soon received theoretical backing when ...

IN an earlier article1 it was pointed out that there is no foundation for the oft-repeated and generally believed statement that the rate of a moving clock is reduced by a certain factor compared ...

Two clock-like mutational processes have been found in human cells and the rates at which the two clocks tick in different human cell types have been determined. Skip to main content.

For the jobless unemployment rate, they currently stand 16 percentage points below the threshold at a 6-month horizon and are thus still relatively low. While the most recent reading of the recession ...