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broadcasters and banks. Seoul alerted people to take security measures against cyberattacks.
• The North Korean websites that shut down Tuesday included those belonging to the national airline, Air Koryo, the Rodong Sinmun newspaper, the North's official Uriminzokkiri site and Naenara, the country's state-run Internet portal. All but Air Koryo were operational a few hours later.
• South Korean National Intelligence Service officials said they were investigating what may have caused the shutdown of the North Korean websites. North Korea didn't make any immediate comment.
• ___

• WASHINGTON (AP) -- The jet stream, the river of air high above Earth that generally dictates the weather, usually rushes rapidly from west to east in a mostly straight direction.
• But lately it seems to be wobbling and weaving like a drunken driver, wreaking havoc as it goes.
• The more the jet stream undulates north and south, the more changeable and extreme the weather.
• The most recent example occurred in mid-June when some towns in Alaska hit record highs. McGrath, Alaska, recorded an all-time high of 94 degrees on June 17. A few weeks earlier, the same spot was 15 degrees, the coldest recorded for so late in the year.
• You can blame the heat wave on a large northward bulge in the jet stream, Rutgers University climate scientist Jennifer Francis said.
• ___

• WASHINGTON (AP) -- Stock and bond prices are sinking because investors were caught off guard and alarmed by the Federal Reserve's signal that long-term interest rates are headed higher.
• That's the view that emerges from an Associated Press survey of economists late last week. A majority of the more than two dozen economists polled support the Fed's plan to start slowing its bond purchases later this year if the U.S. economy continues to strengthen. Higher long-term rates will likely result.

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