An international team of researchers, including Dr. Zeresenay Alemseged of the California Academy of Sciences in San Francisco (USA) and Dr.

Cleveland . . . Michael J. Ryan, Ph.D., a scientist at The Cleveland Museum of Natural History, has announced the discovery of a new horned dinosaur, Medusaceratops lokii. Approximately 20 feet long and weighing more than 2 tons, the newly identified plant-eating dinosaur lived nearly 78 million years ago during the Late Cretaceous period in what is now Montana.

With the help of ancient fossils unearthed in the Sahara desert, scientists have identified a new type of pterosaur (giant flying reptile or pterodactyl) that existed about 95 million years ago. According to the findings published in the online peer-reviewed scientific journal PLoS ONE on May 26th, the scientists consider the newly identified pterosaur to be the earliest example of its kind.

The polyps of the new gorgonia discovered, Tauroprimnoa austasensis and Digitogorgia kuekenthali, in the region of Austasen, in the Eastern Weddell Sea, and to the south-east of the Falklands and Isla Nueve (in Chilean Patagonia) respectively, are small and elongated.

An archeologist at Washington University in St. Louis is helping to reveal for the first time a snapshot of rural life in China during the Han Dynasty.

The very latest laser technology combined with old fashioned pedal power is being used to provide a unique insight into the layout of Nottingham's sandstone caves — where the city's renowned medieval ale was brewed and, where legend has it, the country's most famous outlaw Robin Hood was imprisoned.

New research from North Carolina State University is now giving forensic scientists a tool that can be used to help identify the remains of children, and may contribute to resolving missing-persons cases, among other uses.

Archaeologists have disproved the fifty-year-old theory underpinning our understanding of how the famous stone statues were moved around Easter Island.

Bared teeth are a prominent and eye-catching feature on many historical and archaeological artifacts, and are commonly interpreted as representing death, aggression and the shamanic trance. But a study in the forthcoming issue of Current Anthropology argues that the bared-teeth motif often expresses something a bit less sinister: the smile.