The world's oceans are becoming more acidic, changing in a way that hasn't happened for millions of years. But will marine organisms from tiny coccolithophores to king crabs change along with the waters?
EUGENE, Ore. — (Jan. 21, 2014) — Images gathered by University of Oregon scientists using seismic waves penetrating to a depth of 300 kilometers (almost 200 miles) report the discovery of an anomaly that likely is the volcanic mantle plume of the Galápagos Islands. It's not where geologists and computer modeling had assumed.
When the temperature rises on Baffin Island, in the Canadian high Arctic, ancient Polytrichum mosses, trapped beneath the ice for thousands of years, are exposed. Using radiocarbon dating, new research in Geophysical Research Letters has calculated the age of relic moss samples that have been exposed by modern Arctic warming.
Back from the bottom of the world — where she had just experienced her second winter solstice in six months — Kristin O’Brien parked her shopping cart at the fish counter of a Fairbanks grocery.