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Biology & Medicine
Master's
CRISPR-Cas9 reduced the cost of targeted genome editing by orders of magnitude, which turned a technical question into a governance question almost overnight. This paper explains the underlying mechanism, surveys therapeutic applications now in trials, and analyses why the somatic/germline distinction has held as the primary regulatory boundary despite sustained pressure on it.
711 words
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3 min read
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1,200 tokens to unlock
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Psychology
Undergraduate
Cognitive load theory holds that instructional design should minimise demands on working memory that do not contribute to learning. This essay examines the distinction between intrinsic, extraneous and germane load, reviews the worked-example and split-attention effects, and considers the expertise-reversal effect as a genuine constraint on the theory's prescriptions.
694 words
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3 min read
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1,200 tokens to unlock
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Psychology
Undergraduate
Attachment theory's extension from infant caregiving to adult romance is one of the most productive analogies in modern psychology — and one of the most frequently overstated. This review distinguishes the claims that survive longitudinal testing from those that rest on cross-sectional self-report, and argues that attachment style is better modelled as relationship-specific than as a stable trait.
708 words
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3 min read
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1,200 tokens to unlock