http://sunsetssong.blogspot.com/2012/10/artificial-neural-networks.html

All over your face, you have pocket-like spaces within your skull and facial bones. These sockets are all filled with air and are connected to your nasal passages. You call these sockets your sinuses (singularly referred to as a sinus). Like most of your internal body parts, you already have sinuses when you are born. They develop as you grow old, sometimes up until you are around 20 years of age.

You have four pairs of sinuses, also called cavities, surrounding your nasal passages. These are:
1) the maxillary sinuses located in your cheekbones just below your eyes;
2) the ethmoid sinuses between your eye sockets;
3) the sphenoid sinuses at the middle of the skull base around the back of your nose; and
4) the frontal sinuses in your forehead just above your eyebrows.

Each sinus is lined with a mucous membrane that you very well know is also present inside your nose. The mucous membrane is a thin layer of moist tissue that aids in providing moisture to the oxygen that you breathe in. It functions mainly to secrete mucus that in turn is tasked to trap germs, dusts and bacteria that are very much present in the air that you breathe. Your mucous membrane also plays ground host for the cilia, microscopic hairs that clear your sinuses of excessive mucus and sweep it back to your nose where you eventually swallow it.

While the actual functions of your sinuses are not distinguished medically and biologically, there have been discussions as to its benefits to your respiratory mucosa. Mainly, your sinuses are said to cause increased resonance in your voice to help you speak louder. They are also known to decrease the weight to the front of your skull, therefore lessening the impact when a physical blow is turned against your face.

Other debated functions of your sinuses include: the insulation of your eyes and dental roots from temperature changes around your nasal cavity; the regulation of pressure caused by intra-nasal and serum gas; and the heating of air that you breathe in to compensate for the slow turnover of oxygen in the sinus area.

As your sinuses are probably as sensitive as your actual nasal passage is, you would have to take care of them to avoid any infection that can cause you colds and headaches as well as affect your breathing and eventually your speaking voice. Get the best advice from your doctor about sinuses to get better.

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How to Start Beekeeping Today

A lot of people do not realize that beekeeping is a million dollar industry and can earn you lots of money if you want to start beekeeping as a business. But one thing for sure is that it requires a lot of time and effort for it to be successful. When starting of in beekeeping one has to definitely learn bee biology from an experienced beekeeper or get a guide on bee biology.
One of the first things to understand before you begin beekeeping is that since bees thrive on flowers, the winter season is a big struggle for them. Simply because bees find it hard to produce honey in large scale and sometimes eat there own honey, which is simply regurgitated food.
Its quiet an amazing thought to think about that bees have mastered the art of making it during the winter months without flowers, but it does happen. The normal time for bees to produce large amounts of honey is the warmer months like in summer, and is the time where you will find many beekeepers farming
Beekeeping can be an expensive hobby if you don't know what you are doing. You can find yourself making costly mistakes along the way. It may look cheap because you can make a box and put some slides for bees to come, but you have to know of the right places to put your boxes for them to build their hives.
In order to gain extra knowledge in beekeeping one has to learn entomology, which is a necessary part of the beekeeping industry. You must know what kind of predators will prey on your bees, such as yellow jackets, wasps, microscopic mites, and hornets.
Science also plays a big role in beekeeping because it teaches you how to keep bee's habitat healthy and free of pests. Beekeeping stretches back generations in some families, which in turn makes a lot of people dedicated and serious about honey bee's activity, which is very important in any type of beekeeper training.
A lot of beekeepers mastered the skill of beekeeping through their grandparents and parents. And to them is just a simple chore to do on the farm, but in the long run eventually became something that was as marketable as a product in the worldwide markets.
But apart from the learning curve when mastering this interesting hobby, you can easily be on your way to successful beekeeping if you are willing to learn and strive for success.