After watching some older kids try out for the New York City Parks Department's yo-yo championship, Stephen Awerman, an eleven-year-old from Jamaica, L.I., decided that he could hold his own with the big boys. He spun his yo-yo through the required figures—spinner, walking-the-dog, breakaway […] —then unreeled 312 loop-the-loops to latch onto the title.

The problem of classifying all reflective lattices of given rank is also of interest in its own right from the perspectives of Coxeter groups and arithmetic subgroups of O(n,1).

It can take pictures or video from a front-facing camera, controlled by a voice command or a swipe on the right-hand armature, and is designed to display at-a-glance information on its screen which is visible only to the user.

And although they were pushed harder than even Lennon might have expected on a night of galeforce winds, they clung on to the lead Ledley gave them for all they were worth until their rivals had blown themselves out and surrendered top spot.