Figure 1: As thermal water at 79.2°C reaches the surface, white calcium carbonate precipitates, forming a base for the proliferating red and green layered biofilms—woven bacterial mats ...

The new brick can be manufactured with a high density, compressive strength, tensile strength and Young's modulus (the ability to withstand changes under lengthwise compression). Disclaimer: AAAS ...

Strange, tiny structures have been found in the rocks around the deserts of southern Africa and the Arabian Peninsula.