The ozone layer is an invisible layer in the stratosphere. It has always been needed by all life on earth, as it absorbs the ultra violet radiation (UV) from the sun. Recently a large hole has appeared in the ozone layer over the Antarctica, and a similar but smaller hole has been found over...

Our Radiant Planet- Depletion of the Ozone Layer Ozone is a relatively unstable form of molecular oxygen containing three oxygen atoms produced when upper-atmosphere oxygen molecules are split by ultra violet light. Stratospheric ozone is found in a broad band, extending generally from 15 to 35km a...

The sun, its what keeps the world alive, but kills it at the same time. Earth is protected from UV light and harmful radiation by the ozone layer, which is depleting at an alarming rate. This depletion has allowed more dangerous UV-B radiation to reach the Earth's surface. Although the ...

Skin cancer is a disease in which cancer, or malignant, cells are found in the outer layers of your skin. Your skin protects your body against heat, light, infection, and injury. It also stores water, fat, and vitamin D. Your skin consists of an outer layer called the epidermis, a...

SKIN CANCER Skin Cancer is a malignancy in the skin and is the most common of all cancers. There are three types of major skin cancers, which are basal cell carcinoma, squamous cell carcinoma, and melanoma. Basal cell carcinoma, the most common type, develops in the basal, or bottom, layer of ...

SKIN CANCER Skin Cancer is a malignancy in the skin and is the most common of all cancers. There are three types of major skin cancers, which are basal cell carcinoma, squamous cell carcinoma, and melanoma. Basal cell carcinoma, the most common type, develops in the basal, or bottom, layer of ...

The question of how our beliefs about the world and about what is valuable influence our pursuit of knowledge is very important. Of course we know that our beliefs affect us in our every day life. They affect our actions, our interactions with people, they even affect our eating habits. If we bel...

Before you can fully understand skin cancer, it helps to know a little about what cancer is in general. Cancer is a group of many different diseases that have some important things in common. Normal cells grow and divide only when needed, but cancerous cells keep dividing when they are not needed,...