Red, yellow, orange all over: States use volunteer ‘leaf peepers’ to report, predict foliage

How do you predict fall foliage? With lots of eyes

HEALTHBEAT: Studies seek to learn if antibiotics do long-term harm to beneficial gut bacteria

Repeated antibiotics alter beneficial gut germs

Flicker of trouble? Backyard volunteers help scientists track possible firefly decline

Backyard volunteers helping track firefly numbers

Gold, and lead, bring illness and death to poor villages in northern Nigeria

Gold, and lead, bring illness and death in Nigeria

Volunteers in California wrestle barbed-wire fences to save vulnerable antelope

Volunteers in Calif remove fences to save antelope

The holly and the ivy inspire no praise in Pacific Northwest forests

No praise sung for holly, ivy in Northwest forests