Is superconductivity in the iron arsenides conventional? The large isotope effect on both the magnetic and superconducting transitions may indicate that magnetic fluctuations are involved in the ...

SHOPPING: Influencers have ditched the old rules in favor of a viral walking trend that is transforming the fitness world, helping people shed the pounds and get fit with low-impact workouts. Gone are ...

Ruby and sapphire are varieties of the mineral corundum. - Courtesy Hamilton Jewelers Ruby is one variety of the corundum mineral species, which also includes sapphire. Ruby is highly regarded and can ...