Category: Policy And Governance

Is a mortarboard a hat?

Definition. a hat with a stiff square top, worn as a sign of academic achievement. Mortarboards were traditionally worn by teachers. Why is it called a mo...

Is Las Vegas radioactive?

Until today, the Nevada Test Site remains contaminated with an estimated 11,100 PBq of radioactive material in the soil and 4,440 PBq in groundwater. Does...