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Freudian Psychology01:26

Freudian Psychology

Sigmund Freud, an Austrian neurologist born in 1856, significantly influenced psychology through his exploration of the unconscious mind. His interest in patients suffering from hysteria and neurosis — conditions without apparent physical causes — led him to theorize the existence of an unconscious mind, a repository for feelings and urges beyond our awareness. Freud's innovative approach included techniques such as dream analysis, free association, and attention to slips of the tongue to...
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Deoxyribonucleic acid, or DNA, is the genetic material responsible for passing traits from generation to generation in all organisms and most viruses. DNA is composed of two strands of nucleotides that wind around each other to form a spring-like structure called a double helix. However, the double helix is not perfectly symmetrical. Instead, there are regularly occurring grooves in the structure. The major groove occurs where the sugar-phosphate backbones are relatively far apart. This space...
Gauss's Law01:07

Gauss's Law

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A Versatile Mounting Method for Long Term Imaging of Zebrafish Development
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Francois Jacob (1920-2013)

Mark Ptashne1

  • 1Ludwig Professor of Molecular Biology, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA. m-ptashne@mskcc.org

Cell
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