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The U.S. North American Aerospace Defense Command scrambled fighter jets last week in an attempt to identify a contrail that was first seen near the Turks and Caicos Islands and later over the Midwestern United States. Reports on the contrail were first received around 4 p.m. Wednesday, according to Lt. Cmdr. Curtis Jenkins. Commercial airline pilots reported the contrail over Florida and then Indiana, but there were no more sightings after that.
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Honey helps treat wounds that refuse to heal because it stops bacteria from growing, and even fights strains of bacteria that are resistant to antibiotics. This discovery is especially important because conventional antibiotics no longer work well, since many strains of bacteria are no longer affected by them. People covered wounds in honey in ancient Egypt, and scientists used to think it worked because it kept the air out and its high sugar content slowed bacterial growth. Now we know it?s a real antibiotic.
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One sign of climate change is that birds fly south later in the fall, or migrate to new areas when it gets cold. Bird watchers on the East Coast have been amazed to find that hummingbirds are still around, even though most of the other birds in the area have flown south for the winter. “Twenty or 25 years ago, if you said you saw a hummingbird in November, people would be wondering if you had been tipping the sherry,” says ornithologist Mary Gustafson.
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People who get sick on the weekend or while on vacation may be have a new medical condition. Researchers in the Netherlands think a significant proportion of the population is suffering from this. They’ve found that 3% of people get sick with a variety of different complaints, such as fatigue, muscular pains and nausea, as soon as they stop working and try to relax. Cold and flu-like symptoms are especially common during holidays.
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