Does MRI have an environmental impact?

Researchers from Tokyo Metropolitan University have surveyed the amount of gadolinium found in river water in Tokyo. Gadolinium is contained in contrast agents given to patients undergoing medical magnetic resonance imaging ...

Getting a read on wild animals' age

While pets and livestock often have known birthdates, the ages of animals in the wild have been difficult to track down, but that may change. A new skin analysis test can give accurate information about the ages of wild animals ...

Claims about the decline of the West are 'exaggerated'

A new paper by Oxford researchers argues that some countries in Western Europe, and the USA, Canada, Australia and New Zealand now have birth rates that are now relatively close to replacement, that the underlying trend in ...

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