Birds maintain rare plant species, study finds

Outside of human influences, why do rare plant species persist instead of dwindling away to extinction? It's a question that has plagued ecologists for centuries. Now, for the first time, scientists at Penn State and Universidad ...

Rare species perform unique roles, even in diverse ecosystems

A new study, published 28 May in the open access journal PLOS Biology, has revealed the potential importance of rare species in the functioning of highly diverse ecosystems. Using data from three very different ecosystems—coral ...

No show stoppers for concentrating solar power

(Phys.org) -- A recently published study confirms that solar thermal power is largely unrestricted by materials availability. There are, however, some issues that the industry needs to look into soon, like replacing silver ...

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