ScienceIQ.com

Bicycle Chain for Fleas

Sandia National Laboratories has engineered the world’s smallest chain. The distance between chain link centers is only 50 microns. In comparison, the diameter of a human hair is approximately 70 microns. This micro-chain has been made on the surface of a silicone substrate using photo-lithographic techniques, just like computer chips are made. It ...

Continue reading...

FleaBicycle
Geology

Is the Dead Sea really dead?

The Dead Sea is located on the boundary between Israel and Jordan at a lowest point on earth, at 400 meters (1,320 feet) below sea level. All waters from the region, including the biggest source, the ... Continue reading

IstheDeadSeareallydead
Medicine

What Is Sickle Cell Anemia?

Sickle cell anemia is an inherited blood disease. That means you are born with it and it lasts a lifetime. Sickle cell anemia affects the red blood cells. Normal red blood cells are smooth and round ... Continue reading

WhatIsSickleCellAnemia
Astronomy

Keeping Your Balance for Good Science

Around the 20th to 22nd of March, the Sun will have reached an astronomical location that is used to mark the change of seasons. This location, within the constellation of Pisces the Fishes, is 0 ... Continue reading

Balance
Engineering

Leaning Wonder of Engineering

Most everyone is familiar with the famous Leaning Tower of Pisa. It's known not so much for its engineering, as for the fact that it hasn't fallen yet. From an engineering standpoint, it is a study in ... Continue reading

TowerofPisa

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.