Nothing touched them but the random drift of spray.

These two forces combine to give the particle a random drift.

Geographically isolated populations can also begin speciation simply through random genetic drift.

This pointed to substitutions in protein sequences as being largely the product of random genetic drift.

He held that random genetic drift caused a slowing-down in the emergence of adult features in each individual.

But not the natural contamination of a random drift of Earth life into Europa's deep ocean.

As well, it is different from random genetic drift, which is an important mechanism in population genetics.

There is another mystery which still waits an explanation: the seed motion is not mere random drift.

Cut off from the parent gene pool, there would be some random genetic drifts that developed them into an essentially different species.

Change in Modernist Art, like fashion, is not progress of this sort, but only random drift.