Uncategorized
- Health & Medicine
Determined at Birth? Kidney makeup may set hypertension risk
People lacking a full complement of blood-filtering nephrons in their kidneys at birth are at increased risk of developing high blood pressure.
- Math
Spinning to a Rolling Stop
Spin a coin on a tabletop. As it loses energy and tips toward the surface, the coin begins to roll on its rim, wobbling faster and faster and faster. Toward the end, the coin generates a characteristic rattling sound of rapidly increasing frequency until it suddenly stops with a distinctive shudder. Mathematician H. Keith Moffatt […]
- Math
A Remarkable Dearth of Primes
The pursuit of prime numbers–integers evenly divisible only by themselves and 1–can lead to all sorts of curious results and unexpected patterns.
