A new study indicates that the relatively low mass of Mars allowed most of its water to be lost to space billions of years ago, rather than retained on its surface.

Potassium, an essential mineral, is found in certain fruits, veggies and legumes. Trend Report: A 'tightening' jawline serum, arch-supporting flip-flops, more. IE 11 is not supported.

Although under-reporting of dietary intake is more common in persons with a high body mass index (BMI), it is not well known whether or not misreporting is selective for different foods (and hence ...

Healthy potassium levels support kidney function, moderate blood pressure, bone strength, and muscle mass. Here, learn how much is right and where to get it.

Potassium binding sites are shown as black spheres. A side view of KcsA, with the subunit closest to the viewer removed, is shown. d, Surface representation of mass tagging results of the inner helix.