Subscribe
Subscribe
MY AMERICAN SCIENTIST
LOG IN! REGISTER!
SEARCH
 
Logo IMG
HOME > MULTIMEDIA > Multimedia Detail

SCIENCE IN THE NEWS WEEKLY

Kentucky 'Godzillus' Fossil Puzzles Experts

A 150-pound fossil recovered last year in northern Kentucky is puzzling experts, who are trying to determine whether it was an animal, a mineral or a form of plant life from a time when the Cincinnati region was underwater. Scientists say the fossil is 450 million years old.

In other news of the ancient past, the New York Times featured paleontological fieldwork that has been going on in the Nova Iorque area of Brazil.

Genetic analysis has revealed that an ancient Swedish farmer came from the Mediterranean. Researchers say the woman's genome provides clues as to how agriculture spread across Europe.

Creatures once thought to be dinosaurs have been recategorized as very different, distantly related sorts of archosauriforms (the major group to which dinosaurs, crocodiles and many related lineages belong). Smithsonian looked at what these reinterpretations have meant to the field.

Scientists used to think that violent impacts on Earth during the lunar Late Heavy Bombardment lasted several hundred million years. But new simulations suggest that Earth's pummeling lasted for billions of years.

New genetic evidence suggests that polar bears may have originated about 600,000 years ago. Previous studies have suggested that the polar bear, Ursus maritimus, emerged much later, about 150,000 years ago.


comments powered by Disqus
 

Connect With Us:

                   

Latest Multimedia

Audio: Harder-Than-Diamond Carbon

The invention of Q-carbon—widely reported about a year ago—is out of the lab. One of its first real-world tests: a go-kart race in North Carolina.... (click the link above to read more).


RSS Feed Subscription

Receive notification when new content is posted from the entire website, or choose from the customized feeds available.


EMAIL TO A FRIEND :

Subscribe to American Scientist