Scientists developed a new nanomaterial that rapidly captures water from air, holding over three times its weight - offering a faster path to clean drinking water.

Calcium carbonate (480 mg elemental calcium) per day or placebo for 4.3 ± 1.1 yr Change in forearm BMD with preexisting fracture Calcium: 0.31% ± 0.25% per yr ( p < 0.05) ...