/u/GiraffesInc's posts
How do scientists know the decay progression of Uranium-238 if it takes place over billions of years?
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list