News tagged with drift

Scientists demonstrate Stokes drift principle

In nature, waves – such as those in the ocean – begin as local oscillations in the water that spread out, ripple fashion, from their point of origin. But fans of Star Trek will recall a different sort of wave pattern: ...

Oct 01, 2014
3.7 / 5 (14) 0

Interacting mutations promote diversity

Genetic diversity arises through the interplay of mutation, selection and genetic drift. In most scientific models, mutants have a fitness value which remains constant throughout. Based on this value, they compete with other ...

Jun 28, 2012
5 / 5 (1) 0 | with audio podcast

Plate tectonics coming of age

(PhysOrg.com) -- Plate tectonics in its current form is believed to have started one billion years ago. A study of two billion year old rocks from African gold mines has now shown that the same process of ...

Nov 24, 2011
5 / 5 (3) 1 | with audio podcast