Latest Lead(II) oxide Stories
When the EPA phased out the widespread residential use of chlorpyrifos and other organophosphorus (OP) insecticides in 2000-2001 because of risks to child neurodevelopment, these compounds were largely replaced with pyrethroid insecticides.
Word of the Day
- To befool; deceive; balk; jilt.
- An illusion; a trick; a cheat.
The word 'begunk' may come from a nasalised variant of Scots begeck ("to deceive, disappoint"), equivalent to be- + geck.