Skip to Content

Cloning Cows

With just homemade needles and some cells from an ear biopsy, Jose Cibelli of Cyagra demonstrates how to build a blue-ribbon steer.
September 1, 2002

Most scientists spend their graduate-school years generating reams of data that wind up in the pages of a scientific journal or collecting dust in the university library. Jose Cibelli’s PhD project wound up swatting at flies in a grassy pasture near the University of Massachusetts Amherst, where the reproductive researcher earned his degree. Shown here flanking Cibelli, Charlie and George were among the first cattle ever cloned when they were born in January 1998. These days Cibelli and his colleagues at Worcester, MA-based Cyagra are turning the once experimental technique used to produce the twin Holsteins into a commercial enterprise. In the space of a year and for a fee of $19,000, Cyagra will transform a tiny skin sample from a prized animal into a living, breathing clone of the creature. Though Cyagra-a spinoff of biotech company Advanced Cell Technology-isn’t saying publicly how many customers it’s had so far, Cibelli says it has the ability to clone an animal in a day. During a visit this summer, Technology Review senior editor Rebecca Zacks got a chance to watch Cibelli do just that, and to meet George and Charlie.

Keep Reading

Most Popular

individual aging affects covid outcomes concept
individual aging affects covid outcomes concept

Anti-aging drugs are being tested as a way to treat covid

Drugs that rejuvenate our immune systems and make us biologically younger could help protect us from the disease’s worst effects.

Europe's AI Act concept
Europe's AI Act concept

A quick guide to the most important AI law you’ve never heard of

The European Union is planning new legislation aimed at curbing the worst harms associated with artificial intelligence.

Uber Autonomous Vehicles parked in a lot
Uber Autonomous Vehicles parked in a lot

It will soon be easy for self-driving cars to hide in plain sight. We shouldn’t let them.

If they ever hit our roads for real, other drivers need to know exactly what they are.

crypto winter concept
crypto winter concept

Crypto is weathering a bitter storm. Some still hold on for dear life.

When a cryptocurrency’s value is theoretical, what happens if people quit believing?

Stay connected

Illustration by Rose WongIllustration by Rose Wong

Get the latest updates from
MIT Technology Review

Discover special offers, top stories, upcoming events, and more.

Thank you for submitting your email!

Explore more newsletters

It looks like something went wrong.

We’re having trouble saving your preferences. Try refreshing this page and updating them one more time. If you continue to get this message, reach out to us at customer-service@technologyreview.com with a list of newsletters you’d like to receive.