The wonderful world of tennis is helping nature’s tiniest mammals survive. Each year, following Wimbledon, thousands of used tennis balls are donated to UK Wildlife Trust. Volunteers at the ...

Basic ecology uses simple diagrams to illustrate how biomass is distributed in ecosystems. These “ecological pyramids” lump all primary producers (plants) at the base of the pyramid. The second level ...

What makes the oldfield mouse steadfastly monogamous throughout its life while its closest rodent relatives are promiscuous? The answer may be a previously unknown hormone-generating cell. Scientists ...

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The adrenal glands of a Deer mouse (left) and Oldfield mouse (right), showing the relative size of the zona fasciculata (green) and the novel zona inaudita (red). NEW YORK, NY — What makes the ...