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 ...

How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin remains a matter of debate. An international team led by the University of ...

I’m a zero at mental arithmetic. It’s true—I struggle with this skill—but I want to focus on the phrase itself. In our language, we often equate zero with something negative. But zero is the only real ...