Human activities add large quantities of nitrogen to the environment, much of which gets washed into streams and rivers.

During chemical reactions, atoms in the reacting substances break their bonds and re-arrange, forming different chemical ...

Foams were once thought to behave like glass, with bubbles frozen in place at the microscopic level. But new simulations ...

Scientists have long believed that foam behaves like glass, with bubbles locked into place. New simulations reveal that bubbles never truly settle and instead keep moving through many possible ...