This is part of a series of essays during the COVID-19 pandemic designed to help journalists and all public writers achieve what I have been calling “civic clarity.” That quality in prose comes from ...

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello! Today we're learning how to name ordinal numbers up to five. Let's start with first. Imagine you ...

Opposing thumbs, expressive faces, complex social systems: it's hard to miss the similarities between apes and humans. Now a new study with a troop of zoo baboons and lots of peanuts shows that a less ...

Most people think that only people can understand numbers, but that's not true. Many animals can naturally figure out how much something costs, see patterns, and make decisions based on simple math.