Hereditary diseases
28 Jan 2008Many hereditary diseases are passed on within families from one generation to the next. Just as children may inherit normal features such as brown eyes or curly hair from one or both parents, children...
ERNEST SENAYA
ERNEST SENAYA:
health
Male Semen
28 Jan 2008Semen is a white or grey liquid, emitted from the urethra (tube in the penis) on ejaculation. Usually, each millilitre of semen contains millions of spermatozoa (sperm), but the majority of the vol...
- 336
health
The Black Skin
28 Jan 2008Our skin is made up of three distinct layers: the epidermis, the dermis, and the subcutaneous layer. The only visible layer, the epidermis, is composed mainly of keratinocytes -- cells that provide a ...
- 336
general-articles
Petroleum formation theories
28 Jan 2008fossil fuel, petroleum is believed by most scientists to be the transformed remains of long-dead organisms. The majority of petroleum is thought to come from the fossils of plants and tiny marine orga...
general-articles
Internet connection types
28 Jan 2008Analog (up to 56k) Also called dial-up access, it is both economical and slow. Using a modem connected to your PC, users connect to the Internet when the computer dials a phone number (which is p...
general-articles
What happens when water boils?
28 Jan 2008When a liquid heats up, gravity causes the hotter liquid to rise to the top and the cooler, denser liquids will fall the the bottom. This is called Convection and cannot take place where there is no g...
Load More
