News tagged with rule

Uncovering Da Vinci's rule of the trees

As trees shed their foliage this fall, they reveal a mysterious, nearly universal growth pattern first observed by Leonardo da Vinci 500 years ago: a simple yet startling relationship that always holds between the size of ...

dateNov 30, 2011 in General Physics
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Parasites help reveal new ecological rules

Scientists at UC Santa Barbara and other institutions say their new research is expected to profoundly affect the field of ecology and can assist the management of ecosystems, including forests, lakes, and oceans. And it's ...

dateJul 21, 2011 in Ecology
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Amazon wants voters to decide on tax collection

(AP) -- Amazon.com Inc. wants California voters to decide whether to overturn a new law that forces online retailers to collect sales taxes there, setting the stage for a potentially high-dollar ballot fight next year that ...

dateJul 12, 2011 in Business
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