In a new study, scientists have shown that chemical receptors that plants use to recognize nitrogen-fixing bacteria have ...

Coriolis mass flow meters measure mass directly and remain accurate regardless of temperature, pressure or state.

The ocean holds gigantic amounts of carbon, much more than all land-based plants and soil. Scientists previously studied ...

The rise of the environmental movement in the 1960s and 1970s brought a growing public awareness of environmental damage caused by chemical pesticides such as DDT, as well as mounting outrage at ...