Search Results for: Ocean

Ocean Dead Zones More Deadly for Marine Life than Previously Predicted

Ocean dead zones – regions with levels of oxygen too low to sustain marine life – have grown to become a common feature of coastal regions around the world. A…

Chemical Warfare on Coral Reefs: Suppressing a Competitor Enhances Susceptibility to a Predator

Researchers examining the chemical warfare taking place on Fijian coral reefs have found that one species of seaweed increases its production of noxious…

Radiocarbon dating suggests white sharks can live 70 years and longer

Sharks are typically aged by counting alternating opaque and translucent band pairs deposited in sequence in their vertebrae. It is unclear whether these band…

Study discovers natural hybridization produced dolphin species

A newly published study on the clymene dolphin, a small and sleek marine mammal living in the Atlantic Ocean, shows that this species arose through natural…

Ancient Sharks Reared Young in Prehistoric River-Delta Nursery

That's the surprising conclusion of University of Michigan paleontologist Lauren Sallan and a University of Chicago colleague, who reanalyzed all known…

2013 Was 4th Warmest Year in the Satellite Era

December temperatures (preliminary)Global composite temp.: +0.27 C (about 0.49 degrees Fahrenheit) above 30-year average for December.Northern Hemisphere:…

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