(a glossary of archeological terms particularly related to the field of research that can tell us about our origins and our remote past)

(the hundred-degree temperature interval gave us the name scale of centigrade from the Latin centum, "hundred" and gradus, "step")

(dogs are considered to be the companions and best friends of humans and this list of terms will help all of us understand the topics that exist about our canine friends)

(an exhibition of words that appear in headlines and sub-headlines which all of us should know)