Pierre+S

=WIKI ASSIGNMENT 10:= CARBOHYDRATES: An organic compound consisting only of carbon, hydrogen, and oxygen. This molecule fuels the metabolism of the body in its glucose form. When monosaccharides (form of carbon) are not immediately used they are stored as polysaccharides. Two examples of carbohydrates are glucose and lactose PROTEINS: This organic compound is made of amino acids. They bind molecules specifically and tightly in the body, and are part of almost every cellular process. Two examples of proteins are enzymes and hemoglobin. LIPIDS: Molecular organic compounds mainly composed of carbon and hydrogen. Lipids are essential for cell growth, are non-soluble, and combine with proteins and carbohydrates to form the majority of all plant and animal cells. Two examples of lipids are steroids and cholesterol. NUCLEIC ACIDS: Composed of monomeric nucleotides. They carry genetic information when building cells. Two examples of nucleic acids are DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). Both of thir jobs is to carry genetic information.

=WIKI ASSIGNMENT 6: Reaction Rates= CONCENTRATION: As the concentration of a solution increases as does the number of collisions between molecules simply because there are more molecules per volume, resulting in higher reaction rates. EX. When Potassium reacts with water it forms Potassium Hydroxide and Water. A reaction which is often used to explore the relationship between concentration and rate of reaction When a dilute acid is added to sodium thiosulphate solution, a pale yellow precipitate of sulphur is formed. As the sodium thiosulphate solution is diluted more and more, the precipitate takes longer and longer to form because the collisions happen less often due to a more diluted solution (less concentration). TEMPERATURE: When a temperature is increased, the kinetic energy of the molecules of solutions increase, which increases the number of high velocity collissions between molecules. EX. The reaction of Potassium (K) and water (H20), creating Potassium hydroxide and water, will go faster if the water is heated due to the water molecules moving at higher velocities. CATALYST: when adding a catalyst you are creating a pathway of lower activation energy to speed up a reaction, but the catalyst does not change. EX. In the decomposition of Hydrogen Peroxide, Mangenese (IV) Oxide can be added as a catalyst to speed up the reaction by lowering the activation energy. SURFACE AREA: When increasing the surface area of a reactant you are decreasing the time it takes for the whole reactant to be exposed to the reaction. A powder will often have a faster reaction rate. EX. Calcium Carbonate reacts with hydrochloric acid much faster when it is a powder. more surface of the CaCO3 is being exposed to the 2HCl allowing more molecules to collide with the HCl molecules with the right orientation and high enough velocity to produce CaCl2, water, and CO2 = = =WIKI ASSIGNMENT 4: Wonderful Water= Water molecules have many unusual properties, chemical and physical, that may be considered "unique". SOURCES: [] [] [] =WIKI ASSIGNMENT 1: TED Talk= http://www.ted.com/talks/beau_lotto_optical_illusions_show_how_we_see.html
 * Water's boiling point is 212 degrees farenheit under standard conditions at sea-level. The boiling point can be defined as the temperature at which a heated liquid gas. This boiling point is unusually high compared to other liquids of the same weight of water.
 * The density of water's solid state (ice) is less dense then it's liquid state of matter. Therefore, ice can float in water. This is untrue for many liquids. Density can be defined as its mass per unit volume, or in other words the concentration of mass in volume.
 * Pure water has a pH of 7. This means that it is neither acidic or basic. The definition of the pH of a liquid is the measure of acidity or basicity of a liquid, related to the concentration of hydrogen atoms.
 * Water is referred to as the "universal solvent" because it dissolves the most substances of any liquid. Some substances that are water soluble are sugars, salts, acids, alkalis, and some gases. Solvency can be defined as a substance's ability to dissolve another substance.
 * Water is miscible with an unusually large amount of liquids. Miscibility can be described as the property of a liquid to mix in all proportions, forming a homogeneous solution.

1. I chose this talk because I am very interested in the human mind. Seeing as this talk is about optical illusions and their correlations to the brain I thought this would be an entertaining lecture. It turns out that this lecture went far past optical illusions and into the assumptions we can make about the human brain and its evolution from its surrounding enviroment

2. This talk is about how context is everything to the human mind and why. We have no direct access to the physical world other than our senses. This talk uses light and the interpretation of light to describe the reactions of the brain in different contexts. This researcher states that "the light that falls on your eye- sensory information, is meaningless because it could mean literally anything." In proving this he explains how easily affected our sight is if any of the parameters of the context change the information received by your retna could interpret light in a different way. He states "there is no inherent meaning in information, it's what we do with that information that matters." We see and sense by learning to see, the brain evolves the mechanisms for finding patterns and relationships and associating them with a behavioral meaning. This is how we can read incomplete sentences such ass "he lo" our brain fills in the L because in the past it has found in useful to do so. What's true for color is true for complex perceptions of motion, he proves this through a demonstration. This researcher takes this "plasticity" of the brain and uses it to experience the world differently. One way he has done this is by translating color into sound by assigning a sound to every color. This could allow a blind man to find a plate on the ground. He has also made music with color. He translated a six year old childs drawing into a complex symphony without actually doing anything to the drawing. What this suggests is that no one is an outside observer of nature, each of us is defined by our enviroment, by our ecology. Ecology is necessarily relative, historical and empirical. He further expands on this idea throughout his lecture.

3. As you can see I have stated what I have learned that we are defined by our ecology, and the way we interpret our enviroment is key because there is no inherent meaning to information, only what we do with that information matters. This is truly mind breaking from my perspective and I am extremely interested to hear more from this researcher.