This week in science: A strange hybrid bird; the cancer clues hidden in your toenails; a reverse Big Bang; and much more!

Huge Study Links 99% of Heart Attacks And Strokes With 4 Risk Factors

A huge study has linked 99 percent of all heart attacks and strokes to four risk factors: high blood pressure, high cholesterol, high blood sugar, and smoking.

High blood pressure was the factor most commonly tied to cardiovascular events. In both the US and South Korea, more than 93 percent of individuals who experienced a heart attack, stroke, or heart failure had hypertension beforehand.

Managing this risk factor could be key to preventing serious cardiovascular disease down the road.

The 2025 Nobel Prizes Were Awarded This Week, Celebrating Major Scientific Breakthroughs

This year, the No

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