Today, many geologists theorize that radioisotope dating shows the Earth is 4.6 billion years old. New dating techniques could offer the scientific community more accurate dates for the Earth’s age.
In light of the horrible shooting at Virginia Tech University, the deadliest campus shooting in U.S. history, I present a chronology of school shootings in America. Will we ever understand why this continues to happen? Will we ever be able to prevent it
