Why Philly’s Streets Department is ending its experiment with leaf blowers Aaron Moselle, WHYY Feb 24, 2020 0 ...

Armed with gas-powered leaf blowers, sanitation workers pushed trash from curb lines into the center of the street. Then mechanical broom trucks came by and sucked it all up. Nearly a year later, the ...

One such behavior is the dynamic opening and closing of millions of tiny mouths (called stomata) located on each leaf, through which plants "breathe." In this process they let out water extracted ...

David A. Grantz12, Daniel Zinsmeister2, Juergen Burkhardt2, Ambient aerosol increases minimum leaf conductance and alters the aperture–flux relationship as stomata respond to vapor pressure deficit ...