Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...

Maternal mortality remains disproportionately high in low-income and middle-income countries, where pyramidal health systems ...

Quiddity meaning is the essential nature of something. It answers the question, what makes a thing what it is. Quiddity pronunciation is KWID-ih-tee. The word comes from Latin “quidditas,” meaning ...