![](https://blogs-dev.ei.columbia.edu/wp-content/uploads/2015/01/DSC_0410-150x110.jpg)
Cracking Open Diamonds for Messages From the Deep Earth
“After a diamond captures something, from that moment until millions of years later in my lab, that material stays the same. We can look at diamonds as time capsules, as messengers from a place we have no other way of seeing.”