A suffix is a letter or group of letters that goes on the end of a word and changes its meaning. Adding the suffix -ing to the end of a noun can change it into a verb. Narrator: I've told you, fur ...

According to a new study, people with Tourette Syndrome may have better mental grammar skills than normal people. This is terrible news. Not for them. For me. How am I, a dyed-in-the-wool smart aleck, ...

People who tell the truth retrieve information from their memories. Deceptive people either make up facts or modify facts from truthful events previously stored in their memories. When fabricating ...