Where is gold found in nature?
In its natural form, gold is very irregular and not refined, as it is normally seen in its finished state. Gold is found in many forms. These forms include plates, large spongy pieces, scales and microscopic pieces. In large cavities and reefs, gold can be found in large quantities resembling the shape of a crystal. […]
How do disposable diapers work?
FOR many parents, disposable diapers are a must-have item. Have you ever wondered how a small item like a diaper is able to hold so much liquid? Diapers are usually made of plastic, paper and something called sodium polyacrylate. If you cut open a diaper, you will notice a crystal like substance – that is […]
What causes a monsoon?
It’s been raining quite heavily recently. Malaysia has two monsoon seasons; the Southwest Monsoon which occurs from late May to September, and the Northeast Monsoon from October to March. Monsoons are caused by the difference in air pressure between the land and ocean. Normally, the convection of intense heat produces a low-pressure zone over land […]
How do sunglasses work?
SUNGLASSES are almost a must-have item in this hot weather of ours. We know they protect our eyes from the glare of the sun – in fact, we are advised to use sunglasses to help prevent eye damage. But how do they work exactly? Sunglasses’ premier function is to block the sun’s harmful ultraviolet (UV) […]
Who discovered blood groups?
BLOOD is the fluid that flows throughout the body and is pivotal for the transportation of materials in and out of the body. Blood transfusion is the process in which blood is transferred intravenously or via vein. During this procedure, it is vital that the right type of blood is used as some of the […]
What’s the secret behind a lion’s roar?
THE lion is one of the largest carnivores on land. Nicknamed ‘The king of the jungle’, it possesses a deafening roar that would instill fear within humans as well as other animals. A lion is capable of producing roars up to 114 decibels that are equivalent to certain rock concerts. Lions do not generally roar when […]
Why do crab walk sideways?
STRANGELY enough, there is absolutely nothing wrong with crabs moving sideways. In fact, crabs walk sideways for the same reason humans walk forward! Crabs have their legs situated underneath their bodies, with their knees bending outward. Intrinsically, crabs walk sideways because their legs are positioned in such a way. If crabs were to walk forward […]
Why do snakes shed their skin?
ALL animals shed their skin. It isn’t obvious in mammals such as humans as it is an on-going process that occurs throughout one’s lifetime in which dead cells are constantly discarded. Skin shedding is unique among reptiles as it occurs periodically. In the case of snakes, they shed a layer of skin in one continuous […]
De-horning cattle without pain
HEY, did you know that cattles have now been made hornless through genetic editing? In large scale farming for livestock, cattles live close to each other and as a result, injure one another using their horns. In an effort to cut ‘operational costs’ and make cattles easier to handle and prevent injuries, most farms force […]