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Two plant species 'invent' the same chemically complex and medically interesting substance
Plants produce an enormous abundance of natural products. Many natural plant products are ancestry-specific and occur only in ...
IEEE16d
A Common Subexpression Elimination Tree Algorithm
Abstract: A common subexpression elimination algorithm is proposed to ... The binary signed digit representations of each coefficient are enumerated using the representation tree. The algorithm ...
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Early human ancestors used their hands to both climb trees and make tools, new study shows
WASHINGTON — Our hands can reveal a lot about how a person has lived – and that's true for early human ancestors ... around – such as by climbing trees – as well as to grasp and manipulate ...
wtaj21d
Early human ancestors used their hands to both climb trees and make tools, new study shows
WASHINGTON (AP) — Our hands can reveal a lot about how a person has lived – and that’s true for early human ancestors, too ... using their hands to move around – such as by climbing trees – as well as ...