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Related Concept Videos

Repressed Memory01:16

Repressed Memory

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Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...
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Weir01:24

Weir

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A weir is a hydraulic structure designed to partially obstruct an open channel, enabling precise control and measurement of water flow. By forcing water to flow over or through it, a weir allows for accurate determination of discharge rates, making it an essential tool in water resource management. These structures are extensively used in regulating river flows, irrigation systems, and flood control channels.Types of Weirs and Their FeaturesWeirs are categorized primarily into sharp-crested and...
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Buffers: Buffer Capacity01:09

Buffers: Buffer Capacity

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Buffer capacity is the quantitative measure of a buffer to resist the change in pH. As shown in the following equation, the buffer capacity, denoted by 'beta', is expressed as the number of moles of acid or base needed to change the pH of a one-liter buffer solution by 1 unit. Here, Ca and Cb indicate the number of moles of acid and base, respectively. Note that dpH represents the change in pH.
In the graph, pH is plotted as a function of the number of moles of base (Cb) added to a weak...
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The Small x Assumption02:20

The Small x Assumption

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If a reaction has a small equilibrium constant, the equilibrium position favors the reactants. In such reactions, a negligible change in concentration may occur if the initial concentrations of reactants are high and the Kc value is small. In such circumstances, the equilibrium concentration is approximately equal to its initial concentration.  This estimation can be used to simplify the equilibrium calculations by assuming that some equilibrium concentrations are equal to the initial...
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Hindsight Biases01:12

Hindsight Biases

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Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now? 
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Tension01:10

Tension

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Tension is a force along the length of a medium, in particular, a force carried by a flexible medium, such as a rope or cable. The word "tension" comes from Latin, meaning "to stretch". Not coincidentally, the flexible cords that carry muscle forces to other parts of the body are called tendons. Any flexible connector, such as a string, rope, chain, wire, or cable, can exert pull only parallel to its length; so, a force carried by a flexible connector is a tension with a...
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"We didn't hold back".

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    This summary is machine-generated.

    The Oxford/AstraZeneca COVID-19 vaccine was developed by a team of women scientists. Their behind-the-scenes work created a vaccine that has saved thousands of lives.

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    Area of Science:

    • Vaccinology
    • Immunology
    • Biotechnology

    Background:

    • The urgent need for effective vaccines during the COVID-19 pandemic.
    • The challenges and complexities in rapid vaccine development.

    Purpose of the Study:

    • To provide an inside account of the development of the Oxford/AstraZeneca COVID-19 vaccine.
    • To highlight the contributions of the women scientists involved.

    Main Methods:

    • Interviews with key personnel involved in the vaccine's creation.
    • Review of the scientific and logistical processes undertaken.

    Main Results:

    • The vaccine's successful development and deployment.
    • Significant impact on global public health through saved lives.

    Conclusions:

    • The Oxford/AstraZeneca vaccine represents a major scientific achievement.
    • The importance of collaborative and dedicated research in addressing global health crises.