In times of drought, however, snails end up using water with the heavy oxygen by necessity and are forced to incorporate heavier molecules into their shells. (eos.org)
In times of drought, however, snails end up using water with the heavy oxygen by necessity and are forced to incorporate heavier molecules into their shells. (eos.org)
Intensities of 1016 to 1017 heavy molecules per steradian - second have been achieved at these high energies. (science.sciencemag.org)