Self-healing concrete plugs cracks with CO2 sucked from the air
The enzyme-based mixture could extend the life of concrete fourfold.
Tag: calcium carbonate
These rocks in your head keep you balanced
The beautiful colored image above might look like beach pebbles, yet in reality it shows a glimpse from an even ...
Primitive sea creature has eyes made of rock
This weird armored mollusk is called a chiton, and scientists are ...