New method measures the 3D position of individual atoms

For more than a decade it has been possible for physicists to accurately measure the location of individual atoms to a precision smaller than one-thousandth of a millimeter using a special type of microscope. However, this ...

Parents, wealth, race drive girls' chances to play sports

The likelihood that a girl will participate in high school sports in the United States is driven not so much by individual choice, new research suggests. Instead, decisions made by parents, the wealth of one's family and ...

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