I was reading about the history of Earth Day. It is odd to think that this annual April 22 activity has been around for 55 years, and the majority of Americans were not even alive when it became a ...

The synthetic insecticide had been revered for its ability to kill malaria-carrying mosquitoes during World War II — in fact, its discovery led to a Nobel Prize. But the publication of Silent ...

Spatial repellents, which emit pyrethroid insecticides (synthetic insecticides for killing mosquitoes) in low doses through ...

There is much beauty in the late spring gardens of the central San Joaquin Valley. Sometimes gardeners need to accept a small ...