A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...

A new study has found that a chick’s ability to mentally organize numbers along a line from left to right is not learned but is instead a direct result of brain specialization that occurs before ...

I have a granddaughter who is a junior in high school. Recently, she needed to write a report for her history class on any subject related to a federal government program. Because she knew that her ...