All  

crystals

Cave stalactites and stalagmites. Credit: Santi Rodríguez / Adobe Stock

Ancient Cave Crystals Reveal Sea Levels Were 50 Feet Higher in Warmer Climate

Scientist studying ancient crystals in a Spanish cave have discovered disconcerting evidence that shows just how high sea levels can rise in a warmer climate. 4.4 million years ago, one of your...
Light forms matter

New form of matter created by scientists using light

When we talk about matter we normally have in our minds something of substance that we can touch and hold. However, scientists at Harvard and MIT have questioned our beliefs about matter and the way...