It's essentially a neat and tidy kit of blocks, shapes, wheels, and other pieces — all non-toxic – that in total creates 20 different challenges for kids, each one more advanced than the next.

Kids in her research groups took an inventory of the 16 toys placed in the room. They picked them up and put them down in rapid succession during a standardized amount of time, almost as if they ...

Crows can count... out loud! They do so similarly to human toddlers who are learning to tally things up. A neuroscientist trained birds to produce a number of calls in response to random visual cues.