Free Republic

It's well known that exercise is good for your brain. For years, scientists have shown even a single session of heart-pumping activity can sharpen executive function—the mental skills we use to plan, focus attention, remember instructions and juggle tasks. But what happens when movement isn't an option? Matthew Heath and his team set out to determine if they could elicit the same exercise-induced brain response in a way that doesn't require movement. They studied a technique called intermittent hypoxia, a method that temporarily reduces the amount of oxygen a person breathes, then restores it to normal, repeating the cycle over...

JACKSONVILLE, N.C. - State and local wildlife experts are trying to figure out what led more than a thousand flounder, spot and pin fish to beach themselves at the Marine Corps' New River air base — and then swim away. They believe it may be related to a popular phenomenon known in coastal Alabama as "jubilee." The fish surfaced in shallow water Friday morning. They were lethargic, but alive. "It's kind of strange," said Mike Sanderford, New River Riverkeeper. "It's a bunch of fish up here, but they're not dead. They're almost docile." When he arrived, Sanderford said, the fish...