Genetic Engineering & CRISPR

Watch

• How CRISPR lets you edit DNA - Andrea M. Henle ↗TED-Ed
• What you need to know about CRISPR | Ellen Jorgensen ↗TED
• CRISPR's Next Advance Is Bigger Than You Think | Jennifer Doudna | TED ↗TED
• Genetic Engineering Will Change Everything Forever – CRISPR ↗Kurzgesagt – In a Nutshell
• Genetic Engineering and Diseases – Gene Drive & Malaria ↗Kurzgesagt – In a Nutshell
• The Realities of Gene Editing with CRISPR I NOVA I PBS ↗NOVA PBS Official

Read

• The Code Breaker: Jennifer Doudna, Gene Editing, and the Future of the Human Race ↗An engaging narrative of CRISPR's discovery, its scientific pioneers, and the profound ethical dilemmas it presents for humanity's genetic future.Walter Isaacson
• A Crack in Creation: Gene Editing and the Unthinkable Power to Control Evolution ↗A first-hand account from a Nobel laureate on the revolutionary potential and inherent responsibilities of wielding CRISPR, offering an insider's view of its scientific and societal implications.Jennifer Doudna and Samuel H. Sternberg
• A Programmable Dual RNA-Guided DNA Endonuclease in Adaptive Bacterial ImmunityThe foundational paper that unveiled the mechanism of CRISPR-Cas9, a landmark discovery that transformed genetic engineering and earned its authors the Nobel Prize.Martin Jinek, Krzysztof Chylinski, Ines Fonfara, Michael Hauer, Jennifer A. Doudna, Emmanuelle Charpentier
• Multiplex Genome Engineering Using CRISPR/Cas SystemsThis pivotal work demonstrated the successful application of CRISPR-Cas9 for efficient genome editing in human cells, opening the floodgates for its therapeutic and research potential.Le Cong, F. Ann Ran, David Cox, Shuailiang Lin, Robert Barretto, Naomi Habib, Patrick D. Hsu, Xueqiu Wu, Wenhao Jiang, Luciano A. Marraffini, Feng Zhang
• The Gene: An Intimate History ↗A sweeping historical and scientific narrative of genetics, from Mendel to CRISPR, providing essential context for understanding the profound implications of manipulating the human genome.Siddhartha Mukherjee

Voices to follow

• Jennifer Doudna ↗A co-architect of the CRISPR-Cas9 gene-editing system, her work has unlocked unprecedented precision in manipulating genetic code, promising transformative medical applications.Nobel laureate; Professor of Chemistry and Molecular and Cell Biology, University of California, Berkeley
• George Church ↗A leading figure in synthetic biology and genomics, he consistently challenges the frontiers of genetic engineering, from de-extinction to advanced gene therapies.Professor of Genetics, Harvard Medical School; Professor of Health Sciences and Technology, Harvard and MIT
• Carl Zimmer ↗As a prolific science journalist, he adeptly translates the intricacies and ethical dilemmas of genetic engineering for a wider public, fostering informed discourse.Science journalist, The New York Times; Author

Glossary

• BiotechnologyBiotechnology is a broad field that uses living organisms or parts of living organisms to develop or make products, or to solve problems. It applies biological processes for industrial and other purposes. For example, making bread with yeast, brewing beer, or developing new medicines from bacteria are all forms of biotechnology.
• CRISPRCRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) is a powerful and precise gene-editing tool that acts like tiny molecular scissors, allowing scientists to cut out specific parts of DNA and insert new ones. It helps make very exact changes to an organism's genetic code. For example, researchers are using CRISPR to try and fix genes that cause diseases like sickle cell anemia.
• DNADNA (Deoxyribonucleic Acid) is like a detailed instruction manual found in every living cell, telling it how to grow, function, and reproduce. It contains all the genetic information that makes you unique. For example, your DNA has instructions for your eye color, hair type, and even how tall you might be.
• EthicsEthics refers to the moral principles that guide a person's or group's behavior, helping us decide what is right or wrong. In science, it involves considering the moral implications and societal impact of new technologies and research. For example, when discussing genetic engineering, ethical questions arise about whether it's right to change human genes or create "designer babies."
• GeneA gene is a specific section or chapter within your DNA instruction manual that carries the code for a particular trait or function. Think of it as a recipe for one specific thing, like making a certain protein. For example, one gene might contain the instructions for producing insulin, a hormone that helps your body use sugar.
• Gene EditingGene editing is the process of making very specific changes to the DNA of a living organism, often to correct mistakes or add new features. It's like using a word processor to find and replace a specific word or sentence in a long document. For example, gene editing could potentially be used to remove a faulty gene that causes a genetic disease.
• Genetic EngineeringGenetic engineering is when scientists directly change an organism's DNA by adding, removing, or altering specific genes to give it new abilities or characteristics. It's like editing the instruction manual of a living thing. For example, scientists might use genetic engineering to make crops resistant to pests, so farmers don't have to use as many harmful sprays.
• GenomeA genome is the complete set of all the DNA instructions found in an organism, including all of its genes. It's the entire library of instruction manuals for that living thing. For example, the human genome contains about 3 billion pairs of DNA building blocks, holding all the information needed to build and operate a human being.
• GMO (Genetically Modified Organism)A GMO, or Genetically Modified Organism, is any living thing whose genetic material (DNA) has been altered using genetic engineering techniques. This means its genes have been changed in a way that doesn't happen naturally. For example, many corn and soybean crops are GMOs, engineered to resist certain insects or tolerate herbicides.
• MutationA mutation is a change or error that happens in the DNA sequence. These changes can be small, like a single letter change in a word, or larger. Some mutations can be harmless, some can cause diseases, and others can even be beneficial. For example, a mutation in a gene might cause a person to have red hair instead of brown, or it could lead to a genetic condition like cystic fibrosis.
• TraitA trait is a specific characteristic or feature of an organism that is often determined by its genes. These are the things you can observe or measure about a living thing. For example, your eye color, whether your hair is curly or straight, or even how well your body fights off certain illnesses are all traits.

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Where this connects to other fields, and why it's worth knowing.

• Private Law: Contract, Tort & Property Law

  There's an old legal rule: you can't own a fact of nature, like gravity or a river. Then companies started patenting genes, chunks of DNA that already sit inside every one of us. Suddenly courts had to ask a weird question: can someone own a piece of code that's literally in your own body?

• Digital Authoritarianism Political Science

  Normally a gene has a 50/50 shot of passing to offspring, but a 'gene drive' rigs the dice so a chosen trait sweeps through an entire wild species, forever. That's the power to rewrite nature that we all share, single-handedly, with no treaty controlling it. It sits a lot closer to a weapon than a medicine, because whoever wields it changes the world for everyone.

• Immunology Health

  CRISPR, the tool scientists use to edit DNA, wasn't invented by humans at all. Bacteria evolved it as an immune system, a molecular memory that recognizes returning viruses and slices them apart. We just noticed this ancient bacterial defense and hijacked its genetic scissors to rewrite the code of life, including our own.

• Software Engineering Technology

  When an app update breaks, coders just roll back to the old version. A 'gene drive' released into wild animals is like an update with no undo button. Once it starts copying itself through a whole forest of creatures, there's no going back.

• Business Models Business

  Drug companies make steady money from patients who buy medicine every month, forever. A one-time gene therapy that actually cures you breaks that whole model. Fix someone permanently and the monthly payments, and the profit, just stop.

• Religion and Morality Religion

  CRISPR lets doctors rewrite the DNA of an embryo like editing text. But many faiths see the body as a gift you're not supposed to redraft. So a medical fix can feel, to a believer, like scribbling over something sacred.

• Intellectual Property and Copyright Law

  If a scientist edits a gene, is that gene now an invention they can own, or just a discovery nobody can? CRISPR drags courts into that fight. Suddenly, ownership law is arguing over the code of life itself.

• Biodiversity Loss Environment

  A 'gene drive' can spread a change through a whole species until that species dies out. People want to use it to wipe out malaria mosquitoes and stop the disease. But it's extinction on purpose, with no undo button if we get it wrong.

• Probability, Risk & Uncertainty Mathematics

  Insurance works because nobody knows exactly who'll get sick, so everyone chips in and shares the risk. But once companies can read your DNA, they can price you by your personal odds. That knowledge quietly breaks the shared gamble that makes insurance possible.