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The best biology & biotechnology videos, according to Hacker News

81 videos about biology & biotechnology that Hacker News commenters keep pointing each other to, ranked by how many separate months they were recommended. Part of Life Sciences, Mind & Health.

mRNA Translation (Advanced)

DNA Learning Center

1.5M views · 2010 · 4 HN recs

Frequently linked as a mind-blowing visualization of how RNA is translated into protein, especially in threads on mRNA vaccines and cell biology.

Electron transport chain

Harvard Online

3.7M views · 2017 · 6 HN recs

HN commenters share it to show how cells work as nanoscale machines, which many find mind-blowing.

Geoffrey West on COMPLEXITY

FQxI

23K views · 2011 · 3 HN recs

HN commenters recommend it as an accessible introduction to scaling laws and to why cities keep growing while companies and organisms eventually die.

Where Do Trees Get Their Mass?

Veritasium

2.5M views · 2012 · 3 HN recs

HN uses it as the go-to demonstration of how unintuitive mass conservation is, especially in weight loss and burning threads.

How The Immune System ACTUALLY Works – IMMUNE

Kurzgesagt – In a Nutshell

26.2M views · 2021 · 3 HN recs

HN commenters suggest it as a simple, well-made introduction to how immune responses work when discussing infection, T cells or chronic illness.

Why Women Are Stripey

Veritasium

10.8M views · 2014 · 2 HN recs

Commenters point to it as the best short explanation of X inactivation and why calico cats and some human traits are mosaics.

You Are Immune Against Every Disease

Kurzgesagt – In a Nutshell

20M views · 2021 · 2 HN recs

HN users call it a mind-blowing and good explainer on how the immune system works, and cite it in vaccine and disease threads.

Cody's Algae Panel

Cody'sLab

3.3M views · 2022 · 2 HN recs

Pointed to as a cheap, hands-on example of home algae cultivation.

Gay Frogs: A Deep Dive

Oki's Weird Stories

2.2M views · 2020 · 2 HN recs

Cited as support for the claim that chemicals affect amphibian sex and as an example of corporate influence over regulation.

I Grew Real Spider Silk Using Yeast

The Thought Emporium

2.9M views · 2020 · 2 HN recs

HN commenters cite it as proof that cutting-edge biotech is becoming accessible to home labs, much like computing in the 1980s.

Simple Bacteria Genetic Engineering

The Thought Emporium

727K views · 2020 · 1 HN recs

HN points to it as proof that DIY genetic engineering is feasible and as an example of a rigorous hands-on biology channel.

Ancient Life as Old as the Universe

Kurzgesagt – In a Nutshell

8.6M views · 2023 · 1 HN recs

HN commenters bring it up in threads about asteroid samples and panspermia as an accessible take on early-universe habitability.

White Blood Cell Chases Bacteria

Adam Ryman

10.1M views · 2008 · 1 HN recs

HN shares it as striking classic footage of the immune system at work, sometimes as an analogy for attack and pursuit.

21. Chaos and Reductionism

Stanford

1.8M views · 2011 · 1 HN recs

Pointed to as a clear statement of irreducible complexity, the limits of reductionism, and why simple neuron-level explanations fall short.

ATP synthase in action

Harvard Online

1.8M views · 2017 · 2 HN recs

Linked as a vivid visualization of ATP synthase as a rotary molecular machine, often in discussions of protein machines and cellular energy.

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