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Related Concept Videos

Preparedness and Phobias01:09

Preparedness and Phobias

Human fear responses to certain stimuli, such as darkness, heights, deep water, and blood, can often arise despite the absence of direct negative experiences. This phenomenon is rooted in evolutionary psychology, which posits that humans have developed a predisposition to fear stimuli that historically posed significant survival threats. This predisposition, known as preparedness, suggests that early humans who developed a fear of potentially dangerous entities, such as venomous snakes and...
Setting Time of Cement01:12

Setting Time of Cement

The setting time of cement refers to the process of cement paste transitioning from a plastic state to a solid state. This process is crucial in construction as it dictates the timeframe for concrete placement, compaction, and finishing. The onset of this solidification is termed the initial set, indicating when the paste becomes unworkable. The final set is when the paste has solidified completely, and further handling or manipulation can no longer affect its shape. The cement strength is...
RACE - Rapid Amplification of cDNA Ends02:35

RACE - Rapid Amplification of cDNA Ends

Rapid Amplification of cDNA Ends, or RACE, is one of the most effective methods to obtain a full-length cDNA from an mRNA sequence between a known internal region to the unknown sequence at the 5’ or 3’ end. The unknown region is cloned in the cDNA by a gene-specific primer that binds the known end, and a hybrid primer that attaches a predefined anchor sequence to the unknown end of the cDNA. The sequence in between is amplified by PCR with an anchor primer and a gene-specific primer.
Since the...
The Scientific Method02:40

The Scientific Method

Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
Sympathetic Activation01:16

Sympathetic Activation

The sympathetic division can influence tissues and organs by releasing norepinephrine at peripheral synapses and distributing epinephrine and norepinephrine through the bloodstream. In times of crisis or stress, sympathetic activation occurs, which is regulated by sympathetic centers in the hypothalamus. As a result, sympathetic activation prepares the body for physical exertion, rapid ATP production, and heightened alertness, allowing individuals to respond effectively to challenging or...
Critical Thinking01:19

Critical Thinking

Critical thinking involves reflective and productive thinking and the evaluation of evidence. Critical thinkers seek to understand the deeper meaning of ideas, question assumptions, and make independent decisions about what to believe or do. Scientists, for instance, are often critical thinkers. Critical thinking also requires humility about what we know and don't know and the motivation to look beyond the obvious. It is essential for effective problem-solving.
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Related Experiment Video

Updated: May 9, 2026

The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
10:39

The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task

Published on: May 3, 2018

Ready, set …?

Amy Lynn Sorrel

    Texas Medicine
    |August 3, 2013
    PubMed
    Summary

    The federal government will launch a Texas health insurance exchange on October 1. Texans can enroll in health coverage plans through this new online marketplace starting then.

    Area of Science:

    • Healthcare Policy
    • Public Health Administration

    Background:

    • The Patient Protection and Affordable Care Act (ACA) mandated the creation of health insurance exchanges.
    • Texas has a significant uninsured population, necessitating accessible health coverage options.

    Purpose of the Study:

    • To announce the operational readiness of the federal health insurance exchange in Texas.
    • To inform the public about the enrollment period for health coverage.

    Main Methods:

    • Federal government coordination and system development for the online marketplace.
    • Establishment of enrollment procedures for individuals seeking health plans.

    Main Results:

    • The health insurance exchange in Texas is scheduled to launch on October 1.

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    Related Experiment Videos

    Last Updated: May 9, 2026

    The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
    10:39

    The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task

    Published on: May 3, 2018

    A Naturalistic Setup for Presenting Real People and Live Actions in Experimental Psychology and Cognitive Neuroscience Studies
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    A Naturalistic Setup for Presenting Real People and Live Actions in Experimental Psychology and Cognitive Neuroscience Studies

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    Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step
    07:19

    Comparison of Kinetic Characteristics of Footwork during Stroke in Table Tennis: Cross-Step and Chasse Step

    Published on: June 16, 2021

  • Individuals will be able to purchase and enroll in health plans via the online marketplace.
  • Conclusions:

    • The launch of the health insurance exchange will provide a new avenue for Texans to obtain health coverage.
    • Increased access to health insurance is anticipated through the online marketplace.