Why are Canada’s scientists getting political?

Why Political Scientists Are Wrong 15% of the Time

An experimental study has shown that among situations when political scientists claimed that a political outcome was impossible, this outcome actually occurred in 15% of the cases. In this paper, we provide a possible explanation for this empirical fact. 1 Formulation of the Problem Empirical fact. A detailed study [5] has shown that among situations when political scientists claimed that a pol...

Why are we not getting any closer to preventing suicide?

Why so many of us are getting diabetes.

Hillary Carroll knew something was amiss. She had spent Memorial Day happily frolicking in her grandmother's swimming pool, but by that evening she was doubling over in pain every time she went to the bathroom. Her mother figured it was probably an infection and the next day took Hillary, then 10, to the pediatrician. Instead of getting a prescription for an antibiotic, however, the 220lb. youn...

Why Are Life-Cycle Earnings Profiles Getting Flatter?

Life-cycle earnings profiles are becoming flatter. The earnings growth over the life cycle for workers in the 1980 cohort was substantially less than the earnings growth for workers in the 1940 cohort (Table 1). We divide a worker’s life cycle into two periods: ages 20 to 39 and ages 40 to 59. We refer to workers aged 20-39 in year t as cohort t. We compute life-cycle earnings growth as the rat...

Dietary Iodine: Why are so Many Mothers not Getting Enough?

Fortification of foods such as salt has been shown to be an effective way to ensure pregnant women get adequate iodine, a critical nutrient for proper brain growth. But dietary and food production shifts in the past few decades have resulted in dramatically decreased population levels of iodine, with potentially devastating effects for babies of iodine-deficient mothers.