Uncategorized
- Earth
Remnants of Earth’s crust survive in the planet’s interior
A slab stayed unperturbed in the mantle for billions of years before resurfacing, sulfur measurements suggest.
- Life
Why corals do calisthenics
Pulsating motion appears to flush water to improve photosynthetic efficiency in symbiotic algae.
- Earth
Yangtze’s age revealed
Geologists narrow window on time of the Chinese river’s origin to 23-36 million years ago.
- Humans
The psychology of J.C. Penney: Why shoppers like it when retailers play games with prices
Last year, J.C. Penney CEO Ron Johnson put an end to “fake prices,” the ones that customers see but rarely pay because of coupons and sales.
