How successful bike-sharing is this summer will partly determine whether the next mayor expands, shrinks or scuttles the program.

WSJ: Bike Share Gets Rolling Across New York City

But everyone gets two copies of the gene--one from each parent--and even a single M scuttles any hope for a magical career.

FORBES: Harry Potter, Science Teacher

In high school, he made a short about a monster that crawls out of a toilet and, finding humans repugnant, scuttles back to the sewers.

NEWYORKER: Show The Monster

The way the Winbot, which I borrowed for a week, works is that it attaches itself to a window, like a tick, and then scuttles back and forth, its brain somehow mapping the window's dimensions and remembering the area it has already covered.

WSJ: Urban Gardner: The Joy of Clear Glass