Missing baryons found in far-out reaches of galactic halos

Researchers have channeled the universe's earliest light—a relic of the universe's formation known as the cosmic microwave background (CMB)—to solve a missing-matter mystery and learn new things about galaxy formation. ...

Spread of DNA databases sparks ethical concerns

You can ditch your computer and leave your cellphone at home, but you can't escape your DNA. It belongs uniquely to you—and, increasingly, to the authorities.

New algorithm optimizes quantum computing problem-solving

Tohoku University researchers have developed an algorithm that enhances the ability of a Canadian-designed quantum computer to more efficiently find the best solution for complicated problems, according to a study published ...

Shrinking blob speeds traveling salesman on his way

(Phys.org) —What is the shortest route that a traveling salesman must take to visit a number of specified cities in a tour, stopping at each city once and only once before returning to the starting point? The most accurate ...

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