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Your brain influences your appetite, how you respond to food and whether you feel full. And the relationship also works the other way around: what you eat can directly influence how your brain works.

The nation is on a trajectory to lead the world in science, a development that will reshape technological advancement, innovation and the balance of global power.

Breaking down this year’s Nobel Prize–winning science, from switching brain cells on and off with light to catching cosmic neutrinos in Antarctic ice to building mirror-image molecules. Plus, a ...