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Showing posts from September, 2024

ScienceForDummies: 22-29 Sep:

 Hello! After a week of people putting in ideas, the one chosen was about a rainbow. Let's explain what it is and how it forms. Before we can talk about rainbows, we need to talk about a few properties of the movement of light: Reflection and Refraction. I'm sure you know what light reflection is: when light bounces off something and changes direction. Refraction is a bit more obscure than reflection. It is the bending of light when it hits a "medium", which includes air, water, and glass, which, slows it down when it hits a substance with a high refractive index. Rainbows are formed from refraction and reflection.  When light meets aa droplet of water, the light is refracted and separates into seven colors. The rainbow occurs when the light is reflected in the droplet of water and refracted out again into the air. 'Cause it needs both water and light, it usually occurs when the weather conditions are sunny yet rainy. Thank you for reading! https://forms.gle/BtaCT...

ScienceForDummies - 15-22 Sep - The Immune System: Further Explained

 Hello!  Last week I forgot to add a poll on the science post so I'll just do this topic: a further and deeper explanation of the Immune System. Last time, we learned how the Immune System responds against a bacterial and viral invasion. This time, we'll see how it responds against cancer, as well as a few other insights about the immune system. Part 1 - The Immune System and Cancer Cells sometimes mutate their genetic code and it sometimes make them disconnected with the rest of the body. The body actually has a mechanism against cells becoming cancer cells: when they corrupt, they're supposed to kill themselves. But sometimes they don't and that mechanism breaks. Cancer cells grow and kill healthy cells nearby as they don't share resources and compete for them ferociously. They order the growth of blood vessels to provide for the cancer cells that basically stop functioning with the body and act independently.  Our immune systems find the abnormality. Macrophages,...

ScienceForDummies - Week 10 - Six Scientific Misconceptions Debunked

 Hello! The winner of today's vote was "Six Scientific Misconceptions Debunked". Though a tie (0-0), the lasy few weeks this was most popular. 1: Humans only use 10% of the brain This is a popular misconception and a muth. We use our entire brain, but sometimes parts are just at rest. For some reason this is a well-spread "fact" but is a muth. 2: Lightning never strikes the same place twice Lightning often strikes the same place more than one time. Certain machinery is made to attract lightning, so definitely, lightning does sometimes strike the same place twice, or thrice, or more. 3: Goldfish memory lasts three seconds long Goldfish do not have extremely short spans of memory. They can remember things from quite a long time ago.  4: The Great Wall of China The Great Wall of China cannot be seen from actually what is considered space and it is basically invisible. The only human achievement we really can see from space is the lighting of cities. 5: Cracking knu...

ScienceForDummies - Week 9: Zoology and Animal Classification

 Hello! After a week of polling, our winner comes to a draw, but since the topic fit better with last week's, I chose this one - Animal Classification.  All animals are Eukaryotes and under the kingdom Animalia. The central point in all animals making them distinguished as animals is, with only a few exceptions, consumation of organic material, the breathing of oxygen, able to move and have myocytes, and reproduce sexually, as well as a few more attributes. A myocyte is a muscle cell unique to animals. So animals are: Life -> Domain: Eukaryota -> Kingdom: Animalia Now let's study the inner classifactions of animals. First we have Phylums, the taxonomic rank under Kingdoms. Animal phylums include Porifera, Cnidaria, Platyhelminthe, Nematoda, Annelida, Arthropoda, Mollusca, Echinodernata, and Chordata. Let's go through them one by one: PORIFERA Porifera comprises of sea sponges. Sea sponges are invertebrates (meaning they don't have a backbone/vertebrae). Sea sponge...