SCIENCE IN THE NEWS WEEKLY
Mediterranean Seagrass 'Tens of Thousands of Years Old'
Scientists say that meadows of seagrass found in the Mediterranean are likely to be thousands of years old. They found genetically identical samples of the seagrass up to 15km apart, which suggested that the species was extremely long-lived.
In other news of the ancient past, a new prehistoric crocodile sporting an odd head "shield" has been found in Morocco. Christened ShieldCroc, the animal had a head appendage that was covered with a sheath like those seen in some dinosaurs, including Triceratops.
Genetic analysis of a 40,000-year-old finger found in Siberia indicates that modern humans encountered and bred with at least two groups of ancient humans in relatively recent times: Neanderthals and a mysterious group known as the Denisovans, who lived in Asia.
A large Stone Age ritual complex found on an island off the coast of Britain may be older than Stonehenge. In fact, researchers say the site may have been the original model for Stonehenge and other later, better-known British complexes to the south.
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