Lawn mowers and leaf blowers produce a shocking amount of pollution—and states and cities are increasingly pushing residents ...

Scientists have found a way to sample DNA out of the air on a large scale — making it possible to one day track the health ...

Dry and/or yellowed leaves were not counted. DDM - leaf disc dry mass, g; and, ND - number of discs used in the plot. SFM, RFM and TFM were measured immediately after harvest, considering the average ...