Magnesium citrate powder may generally be mixed with water or juice if used for occasional constipation. However, this may not always be appropriate.

If you need to create a high vacuum, there are basically two options: turbomolecular pumps and diffusion pumps. Turbomolecular pumps require rotors spinning at many thousands of rotations per ...

Scientists cracked a Martian mystery by finding ferric hydroxysulfate. The mineral shows Mars once had heat and water.