Sentence examples for date back tens from inspiring English sources

In February, new fossil embryos from China pushed the date back tens of millions of years to just before 600 million years ago (Science, 6 February, p. 803), and some molecular biologists sorting through animals' genes have inferred an even earlier origin.

Similarly, the 'symbiotic toolbox' genes of EM fungi required for establishment and functioning of the symbiosis probably date back tens of millions of years [ 19].

All skulls were dated back 10th Century from different parts of country which were approved to be used for scientific study that were given by City Culture and Tourism Authorities which are connected to Anadolu Civilization Museum.

In Porthcawl two cannon were discovered by dog walkers on Pink Bay, and are believed to date back to 18th Century or the early 19th Century.

However, Indian history and archaeology have pushed the date back to 15th century BCE.

The buildings date back to the 15th and 16th centuries and have been extended by successive generations ever since.

British panto has very deep roots dating back to 15th- and 16th-century Italian traditions of Commedia dell'Arte.

Some date back to the 17th century.

The kilns probably date back to the 10th century.

Montenegro's medieval murals date back to the 10th century.

The oldest sculptures date back to the 12th century BC.