Fuel efficiency of manual and automatic cars, Part I: Each year the US Environmental Protection Agency (EPA) releases fuel economy data on cars manufactured in that year. […]
A pharmaceutical company announces that it has received Food & Drug Administration (FDA) approval for a new allergy drug that completely prevents hay fever. The consensus […]
Question #1 is 55,000 ppm of carboxyhemoglobin by volume equal to 55%? Question #2 Below is a list of chemicals with their oral LD50 in mg/kg (rats). […]