Which calcium supplement is best? Taking calcium for strong bones may be a no-brainer but not all calcium supplements are of equal value. Plus, your age is a factor in how much calcium you should take ...

A 410-million-year-old fossil shows ancient lichens were shaping Earth’s surface long before forests took root.

Bottled, tap, or purified—does all water taste the same? Think again! 🌊 Every sip tells a story, shaped by minerals, seasonal changes, and even the pipes it travels through. Did you know calcium ...