A breakthrough in wearable health tech offers sensors that resist irritation, ensure reliable readings, and improve long-term comfort. (Nanowerk News) Wearable sensors can help prevent critical health ...

Roses, long admired for their beauty and symbolic richness, owe their iconic petal shape to a mechanical process that has remained largely mysterious—until now. According to a new study, the pointed ...

Rose petals' unique shapes come from stress during growth. Differential growth and mechanical stresses create curled edges. Research shows petals violate a mathematical condition, causing stress.