In an ideal universe you could scarf cartons of super vanilla swirl ice cream every night after dinner without remorse. In the real world, however, there's a price to pay for such indulgence, and ice cream seems to be the worst offender in terms of calories. Is there a reason why it has to be so very fattening? Learn more on this Moment of Science.
Without insects, you'd eliminate certain kinds of fruits and vegetables, and that might make it difficult to put together a picnic lunch. And of course, you'd also miss out on insect products like honey or silk.
In fact, no matter HOW fast the "fast" ball is moving, it will still fall at the same speed as the ball that just meanders over the edge. Yes, even if the "fast" ball is fired out of a cannon, this will still hold true.