La ciencia no se enseña: se contagia | Erick Rojas | TEDxAntofagasta

La ciencia no se enseña: se contagia | Erick Rojas | TEDxAntofagasta

Science Isn't Taught: It's Contagious | Erick Rojas | TEDxAntofagasta

by Erick Rojas Ramírez · View the channel on PSI

Humanities, Social Sciences & Thought Education JNEducationJNAPhilosophy and theory of education
🎙 Erick Rojas Ramírez 👥 44.7M 📅 October 5, 2026 ⏱ 13 min 👁 23 📄 science communication 🧭 2026-10-05
Available in: English (current) Français

Keywords

scienceeducationcontagioncuriosityneuroscience

Summary

Erick Rojas, a biotechnology engineering student and science communicator, shares his personal journey from feeling alienated by science in school to becoming passionate about it through inspiring teachers. He argues that science is not effectively taught through memorization and fear, but rather transmitted through emotion, curiosity, and human connection. He recounts two transformative encounters: a teacher who made bread in class to demonstrate fermentation, and another who expressed wonder at mitosis, which helped him grasp complex biological concepts. Later, as a tutor for medical students, he used relatable analogies (e.g., the cell as a restaurant) to overcome students’ fear of making mistakes. He also discusses teaching biology in Colombia despite a language barrier, emphasizing that shared interest can transcend communicative obstacles. Rojas cites neuroscience to claim that learning activates reward circuits in the brain, making it inherently pleasurable when approached with emotion. He concludes by urging educators and learners to ‘catch’ science as one catches an infection, spreading knowledge and wonder through personal enthusiasm. The talk is an inspirational call to make science accessible and human, though it relies more on anecdotal evidence than empirical data.

186 words

Critical Evaluation

Value of the Information & Strength of the Argument

The talk offers a valuable perspective on science education, emphasizing the role of emotional engagement and personal relatability in fostering enduring interest. Rojas’ anecdotes are compelling and effectively illustrate how curiosity can be sparked outside traditional pedagogy. However, the argument heavily relies on narrative rather than systematic evidence. The mention of neuroscience is general and lacks specific references, weakening the scientific solidity. The emotional appeal and the ‘contagion’ metaphor are powerful rhetorical devices that resonate with a broad audience, but the argumentation would benefit from concrete data or references to educational research to strengthen its claims.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is moderate at best; the talk is primarily an opinion piece based on personal experiences. No specific studies or data are cited, and the reference to dopamine’s role in learning is presented without sources. The only source mentioned is the general TEDx program link, which provides no direct supporting evidence. The title ‘La ciencia no se enseña: se contagia’ perfectly matches the content, as the talk repeatedly argues that scientific knowing is passed on through passion and inspiration rather than rote instruction. The content is coherent and stays on message throughout, with each anecdote reinforcing the central thesis. No comments were provided, so no public reception data is available.

223 words

Title / Content Match

The title accurately reflects the central thesis: science is transmitted through enthusiasm and curiosity rather than traditional instruction. The talk consistently illustrates this idea with personal stories.

Quality & Reliability

5/10

The talk is based on personal anecdotes and a general reference to neuroscience, without citing specific studies or data. The scientific claims, while plausible, lack rigorous backing and are mainly presented through narrative.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

  • TEDx program — The talk was organized independently under the TEDx format; the description provides this link for general info about TEDx events.

Concurring Sources

  • TEDx program — General context: the talk is part of the TEDx collection, known for disseminating ideas in accessible formats.

Contribution & Novelties

The talk’s original contribution lies in framing science education as an emotional ‘contagion’ rather than a rational transfer of information, drawing on personal narratives to illustrate how curiosity and enthusiasm can be cultivated. It reinforces existing educational psychology concepts, such as the importance of relevance and emotional engagement, but does not introduce novel empirical findings. The unconventional perspective is its main asset.

Pour aller plus loin :

  • Science communication — This is relevant to the talk’s emphasis on making science accessible and engaging to the public.
  • Inquiry-based learning — The speaker’s approach of using relatable, hands-on examples aligns with inquiry-based pedagogy.
  • Dopamine and learning — The talk mentions dopamine’s role in motivation, which is a known link in neuroscience.

119 words

Radar Profile

The radar profile shows a moderate quantity of information (5), acceptable quality (6), low technical depth (3), and moderate reliability (4). This indicates a talk that is more inspirational than data-driven, with anecdotal support and a broad, accessible message rather than rigorous scientific evidence.

Reliability 4/10