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Exhaust fans are rated by CFM (Cubic Feet per Minute)

The world, I'm learning, is a great place filled with nice people

To reduce the spread of HIV effectively, it's important to use condoms regularly including every time someone has been exposed to the virus

Students face fines of VND35 million ($114 to $190), with all products confiscated and destroyed, while large-scale illegal production or trade may trigger criminal penalties of up to VND1 billion ($38,000) or five years in prison

Doing this same kind of analysis in blood samples only reflects the effects of smoking on immune cells, whereas analyses in non-blood tissues gives researchers a new window into its health impacts