Fifty years later, president-elect Barack Obama opens his victory speech with these words: “If there is anyone out there who still doubts that America is a place where all things are possible; who ...

Top: The ninespine stickleback, Pungitus pungitus, is typical of the saltwater form. Bottom: A freshwater form of stickleback with fewer bony plates and fewer spines. Image based on drawings from the ...

In English grammar, the concept of parallelism demands that there must be a balance in the structures of the words, phrases or clauses we use in a sentence. Such balance ensures clarity, fluidity in ...

Convergent phenotypic evolution often results from similar genetic changes in independent species by a process known as parallel evolution. Sometimes, convergent evolution results from the evolution ...

Rising development costs motivate companies to design fewer systems-on-chip, but to make each one they do design more flexible and programmable. Doing so makes it possible to reuse designs to take ...