Latest Peter Roopnarine Stories
A mass extinction, wiping out numerous species including the dinosaurs, marked the end of the Cretaceous Period. A new study reveals that the structure of North American ecosystems made the extinction worse than it might have been.
Comparisons between pre- and post-spill specimens show an increase in vanadium, chromium, cobalt, and lead concentrations in shells, gill, and muscle tissue
Shells from oysters, clams, and periwinkles hold clues about the ways and rates at which harmful compounds from the spill are being incorporated into the Gulfâ€™s marine food web.
As the Arctic Ocean warms this century, shellfish, snails and other animals from the Pacific Ocean will resume an invasion of the northern Atlantic that was interrupted by cooling conditions three million years ago.
- Sleep; the state or condition of being asleep.