Onge's study may be a step toward answering that "chicken-or-the-egg question" because it included only people of normal weight and therefore eliminated the influence of existing overweight or obesity, says Gina Lundberg, M.
Like many projects in air-travel modernization, there's a chicken-and-egg question: Should airlines spend money on equipment before air-traffic control agencies prove they can work with it, or should air-traffic control service providers spend first and then wait for airlines to catch up?
Another important distinction between European eggs and American eggs is how they are stored, and this ultimately leads back to the question of egg-washing.