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Related Concept Videos

The Ras Gene02:38

The Ras Gene

The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family in humans constitutes three primary members—the HRas, NRas, and KRas. These genes code for four functionally distinct yet closely related proteins—the HRas, NRas, KRas4A, and KRas4B. The involvement of mutant Ras genes in human cancer was first discovered in 1982 and is among the most common causes of human tumorigenesis.
Ras is a superfamily...
Torque01:10

Torque

Torque is an important quantity for describing the dynamics of a rotating rigid body. We see the application of torque in many ways in the world, such as when pressing the accelerator in a car, which causes the engine to apply additional torque on the drivetrain. Here, we define torque and provide a framework to create an equation to calculate torque for a rigid body with fixed-axis rotation.
Torque can be considered as the rotational counterpart to force. Since forces change the translational...
The Ras Gene02:38

The Ras Gene

The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family in humans constitutes three primary members—the HRas, NRas, and KRas. These genes code for four functionally distinct yet closely related proteins—the HRas, NRas, KRas4A, and KRas4B. The involvement of mutant Ras genes in human cancer was first discovered in 1982 and is among the most common causes of human tumorigenesis.
Ras is a superfamily...
Zener Diodes01:16

Zener Diodes

Zener diodes are specialized semiconductor devices designed to operate in the reverse breakdown region, where they allow current to flow into the cathode, making it positive relative to the anode. This reverse operation distinguishes Zener diodes from conventional diodes and enables their use in various applications, most notably as voltage regulators. One of the defining characteristics of Zener diodes is their nearly vertical I-V (current-voltage) characteristic curve above a certain...
Difference Equation Solution using z-Transform01:24

Difference Equation Solution using z-Transform

The z-transform is a powerful tool for analyzing practical discrete-time systems, often represented by linear difference equations. Solving a higher-order difference equation requires knowledge of the input signal and the initial conditions up to one term less than the order of the equation.
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Related Experiment Video

Updated: May 13, 2026

Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers
13:14

Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers

Published on: August 22, 2014

11.8K

Ahmed M. El-Zohry.

Ahmed M El-Zohry

    Angewandte Chemie (International Ed. in English)
    |September 11, 2025
    PubMed
    Summary
    This summary is machine-generated.

    This research highlights the significance of simple ideas in driving scientific breakthroughs. The acceptance of published papers provides a dopamine reward, motivating further discovery.

    Related Experiment Videos

    Last Updated: May 13, 2026

    Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers
    13:14

    Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers

    Published on: August 22, 2014

    11.8K

    Area of Science:

    • Biochemistry
    • Neuroscience
    • Scientific Publishing

    Background:

    • The dopamine system plays a crucial role in motivation and reward.
    • Scientific discovery often involves a blend of creativity and rigorous methodology.

    Purpose of the Study:

    • To explore the psychological rewards associated with scientific publication.
    • To reflect on the origins of groundbreaking scientific ideas.

    Main Methods:

    • Qualitative reflection on personal experiences in scientific research.
    • Analysis of the relationship between idea simplicity and discovery impact.

    Main Results:

    • The acceptance of scientific papers is a significant source of dopamine release.
    • Simple, foundational ideas are frequently the basis for major scientific advancements.

    Conclusions:

    • The pursuit of scientific knowledge is reinforced by intrinsic rewards.
    • Encouraging simple, yet innovative, thinking is vital for scientific progress.