States suing Trump administration, company over 3-D guns

Eight states are filing suit against the Trump administration over its decision to allow a Texas company to publish downloadable blueprints for a 3D-printed gun, contending the hard-to-trace plastic weapons are a boon to ...

Plate tectonics not needed to sustain life

There may be more habitable planets in the universe than we previously thought, according to Penn State geoscientists, who suggest that plate tectonics—long assumed to be a requirement for suitable conditions for life—are ...

Better way found to determine the integrity of metals

Researchers at the University of Waterloo have found a better way to identify atomic structures, an essential step in improving materials selection in the aviation, construction and automotive industries.

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