In Mexico City, experts find bones of dozens of mammoths

Archaeologists have found the bones of about 60 mammoths at an airport under construction just north of Mexico City, near human-built 'traps' where more than a dozen mammoths were found last year.

How Stone Age humans unlocked the glucose in plants

Early cave paintings of hunting scenes may give the impression our Stone Age ancestors lived mainly on chunks of meat, but plants—and the ability to unlock the glucose inside—were just as key to their survival.

Double X-ray vision helps tuberculosis and osteoporosis research

With an advanced X-ray combination technique, scientists have traced nanocarriers for tuberculosis drugs within cells with very high precision. The method combines two sophisticated scanning X-ray measurements and can locate ...

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