Implantable medical devices powered by the ear itself

Deep in the inner ear of mammals is a natural battery—a chamber filled with ions that produces an electrical potential to drive neural signals. In today's issue of the journal Nature Biotechnology, a team of researchers ...

Science without gravity at the International Space Station

In two decades orbiting the Earth the International Space Station has become a cutting-edge cosmic laboratory, with astronauts researching everything from black holes to disease and even gardening in microgravity.

Hormone systems can still be adapted in adulthood

How do animals adapt their behavior during life in order to assure survival and reproduction? This is a question of great interest for behavioral biologists worldwide. An essential step is to examine hormonal mechanisms which ...

Details of dental wear revealed

The teeth of mammals experience constant wear. However, the details of these wear processes are largely unknown. Researchers at the University of Zurich have now demonstrated that the various areas of herbivores' teeth differ ...

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