A new study at a Spanish zoo showed the giraffes could do rudimentary mathematics. What animals can do arithmetic?
Giraffe intelligence research is changing how the world views animal cognition. A new scientific discovery shows that ...
Two students in Danielle Adler’s kindergarten class at Marcus Hook Elementary School in Marcus Hook, Pa., prepare for an addition problem. Credit: Holly Korbey for The Hechinger Report The Hechinger ...