Ultraviolet

ozone can be found through the entire atmosphere, it is mostly concentrated at an altitude of about 15 miles.” A A 5. The ozone layer filters out UV-B and UV-C light, preventing it from reaching Earth’s surface. “... filtering two harmful forms of ultraviolet light called UV-B and UV-C.” D A 6. UV light causes CFCs to become more reactive. “...CFCs break into chlorine atoms…

everyone to remain younger in their lives. Most skin changes have been linked to ageing which is unavoidable. The main cause of an ageing skin is strong UV rays from the sun and not eating healthy. 1. Avoid sun A skin is a soft external tissue that Ultraviolet (UV) rays can easily penetrate. The skin is support to protect the internal tissues from any damage externally; therefore more care should be done on it. If the sun rays penetrate, it will damage the fibers which are elastic which keep the…

Brazilian contemporary artist, Adriana Varejão, utilizes her creative energy towards creating art that evokes the audience to question the coexistence of history and sacrifice. Varejão believes in the importance of creating art that, “…develop a language that makes sense inside of it. My work always deal with history in general, but history from the edges, marginal cultures.” (Crane.tv). The series of paintings entitled, “Tongues and incisions’” uses the exposure of raw flesh (oil on canvas and…

Article 1 1. The question the researchers are trying to answer is whether or not the time of year has an impact on the reproductive capabilities of a male Siberian tiger. The researchers want to know if the time of year has an effect on how much sperm the male tigers are able to create and the quality of their sperm production. They predicted that the female tigers were the only ones whose reproductive system was affected by the time of year and that the males would show no variance, this was…

Skin is the body’s largest organ; it’s all over us and yet we fail to appreciate the many tasks it must do to keep us safe and disease-free. But our skin is more special and more complex than one thinks. Made up of the epidermis and dermis, our skin can resist and repair cuts and burns and many other traumas. Our skin, however, is not invincible and can sometimes fall susceptible to many different diseases and cancers, like melanoma. Melanoma Per Adam Riker, one of the authors of The…

1.1 Background Our skin comprised of two main parts – epidermis and dermis. Epidermis is the superficial and thinner portion which serves to protect the skin and underlying tissues from abrasions, heat, microbes and chemicals. The deeper and thicker connective tissue portion called as dermis hosts several accessory structures of the skin like hair follicles, oil (sebaceous) glands and sweat (sudoriferous) glands. Sebaceous glands secrete greasy substances called sebum that will moistens the…

UVB’s 1. The sun shines on the skin. 2. The UVB light interfaces with a form of cholesterol in the skin called 97-dehydrocholesterol. 3. This is synthesized into pre-vitamin D3, which is immediately converted into vitamin D3. 30 minutes of midday sun in a bathing suit, and you’ve absorbed up to 20,000 IU of vitamin D. Whether you spend half an hour in the midday sun or take 2 10,000 IU of vitamin D3 in tablets, it’s then transported to the liver where it’s turned into D25 for storage. These…

During scorching summers, as the temperature & humidity gets increased oil granules are produced making your skin oily. Summer skin care tips for oily skin helps in reducing the oil and brighten the complexion to give you a natural glow. There are few pros and cons of having oily skin; Pros: Having oily skin you can enjoy a longer period of younger looking skin Wrinkle-free skin No problem of early aging signs Cons: Excessive Shine Meltdown of Makeup Breakout for acne and pimples But instead,…

Are shopping for a portable beach umbrella? There are a number of factors you have to take into consideration. Is it fashionable, durable and stable? Can it withstand the raging winds? You must have satisfactory answers to these questions before you purchase the umbrella. Portable beach umbrellas are similar to traditional personal umbrellas in terms of construction. The canopy opens wide and closes easily when the upper part of the frame or the runner is eased up or down. They are made without…

As a swimming pool owner if you want a pool that sparkles like a diamond basking in the desert sun, there's three things you must know about proper swimming pool maintenance. In this article I'm going to break down each of these essential points and explain why they're so important. Swimming Pool Maintenance Success Tip #1: Water Circulation. Think of your pool as a big bucket of water. Without adequate circulation and water movement it quickly becomes a safe haven for bacteria and algae.…