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Turning Oil Into Gas

When you see all those cars at the gas station filling up with unleaded, you may not stop to think about how that gasoline got there. It wasn't pumped out of the ground in that form. The same goes for jet airplane fuel. It didn't start out that way--it took a long refining process to become fuel. You could never fly an airplane with gasoline, but ...

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TurningOilIntoGas
Physics

Your Own Personal Rainbow?

Did you know that no two people ever see the very same rainbow? It's true. Rainbows are formed when light enters a water droplet, reflects once inside the droplet, and is reflected back to our eyes ... Continue reading

Rainbows
Geology

Heading For The Badlands

The bizarre landforms called badlands are, despite the uninviting name, a masterpiece of water and wind sculpture. They are near deserts of a special kind, where rain is infrequent, the bare rocks are ... Continue reading

HeadingForTheBadlands
Biology

When Did A Cat Become A Kitty?

It has long been thought that cats were first domesticated in Egypt, about 4000 years ago. Indeed, they were very highly thought of in ancient Egyptian society. It was illegal to kill or harm them, ... Continue reading

WhenDidACatBecomeAKitty
Geology

The Good, the Bad and the Ozone

Ozone is a big buzz word these days. We mostly hear about the ozone layer, and the importance of protecting it. But if you want to understand what ozone's all about, you need to understand that it can ... Continue reading

TheGoodtheBadandtheOzone

The Neurological Complications Of Lyme Disease

LymeDiseaseLyme disease is caused by a bacterial organism that is transmitted to humans via the bite of an infected tick. Most people bitten by an infected tick develop a characteristic skin rash around the area of the bite. The rash may feel hot to the touch, and vary in size, shape, and color, but it will often have a “bull’s eye” appearance (a red ring with a clear center). However, there are those who will not develop the rash, which makes Lyme disease hard to diagnose because its symptoms and signs mimic those of many other diseases. Seven to 10 days following an infected tick’s bite, the first stage of Lyme disease begins with flu-like symptoms such as fever, chills, swollen lymph nodes, headaches, fatigue, muscle aches, and joint pain.

Neurological complications most often occur in the second stage of Lyme disease, with numbness, pain, weakness, Bell’s palsy (paralysis of the facial muscles), visual disturbances, and meningitis symptoms such as fever, stiff neck, and severe headache. Other problems, which may not appear until weeks, months, or years after a tick bite, include decreased concentration, irritability, memory and sleep disorders, and nerve damage in the arms and legs. Lyme disease is treated with antibiotics under the supervision of a physician.

Most individuals with Lyme disease respond well to antibiotics and have full recovery. In a few patients symptoms of persisting infection may continue or recur, requiring additional antibiotic treatment. Varying degrees of permanent joint or nervous system damage may develop in patients with late chronic Lyme disease. In rare cases, some individuals may die from Lyme disease and its complications.