Ra Uru Hu was the founder and original messenger of the Human Design System, a revolutionary synthesis of ancient wisdom and modern science. In 1987, he received an extraordinary eight-day transmission of knowledge that revealed the mechanics of life and the blueprint for human differentiation. For over 25 years, Ra dedicated himself to teaching and preserving this system, empowering individuals to live authentically and make decisions aligned with their true nature.

Environment and Differentiation
Every living creature is built for specific environments. Discover how your Design Nodes determine which environment is healthiest for your differentiation.
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How do you determine which environment is right for you? Every living creature has dietary needs to ensure physical nourishment, and a natural habitat that supports well-being and survival. Humans can adapt to almost any place they move to, but does this mean they will be healthy anywhere and will thrive?
In addition to offering the potential for physical nourishment and transformation of the brain through Primary Health System, Human Design offers an approach to well being for the body through specific environments determined by Design Nodes. By knowing your Design Nodal Color, you can discover which types of places you are most suited for, and begin to experiment with the radical transformation of your body through your surroundings.
Environment and Differentiation introduces the different types of environments we find ourselves in, and why one is best suited for each of us. Join Ra in this one hour lecture on the second Transformation—how your body is designed to interact with the environment.
About this lecture
What you will learn and achieve
The Perfect Environment
Learn about the specific environments we are optimally aligned for.
Design Nodes Revealed
Learn how your Design Nodes determine your environmental needs for health and differentiation.
Reducing Environmental Stress
Understand how correct environmental alignment minimizes physical and mental strain.
People as Environment
Explore how to align with the right people who support your environmental needs.
Creature in Habitat
Discover why every living being is designed for specific environmental conditions.
Where Should You Be?
Learn practical techniques for identifying and creating your optimal environmental conditions.

Your Teacher
Ra Uru Hu
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Your Questions, Answered
Have a question about our products? We are here to help.
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All products are available for streaming only, but with lifetime access—and accessible via our Jovian Archive app, which you can download from the iOS and Android app stores to access your library on mobile.
Is there a refund policy?
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Yes. Discounts, and sometimes gifts, are automatically applied at checkout when eligible products are added to your cart.
You may also apply for the Endowment discount if you are a Projector or under the age of 30.
Can I interact with other students?
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Is everything in English?
Yes, Ra taught in English. Some products include illustrated ebook transcripts (check the “Formats” section of each product page for details), but translations are not currently provided.
Do you offer personal analysis or live sessions?
At myBodyGraph.com, you can get an instant and affordable analysis of your personal or relationship charts, directly through Ra's teachings.
At Ra.TV you can join our community and take part in weekly sessions with our team of certified professionals.
If you’re seeking a certified analyst for a personal analysis, visit the HD Professionals page at the International Human Design School (IHDS).
Do you offer physical products?
No, all our products are digital.
What if I don’t know my exact birth time?
For the most accurate experience, your Human Design chart requires an exact birth time. If you’re unsure, we recommend checking your birth certificate or requesting official records from your hospital.
Is this the official source for Ra Uru Hu’s teachings?
Yes. Jovian Archive was founded by Ra Uru Hu in 1999, and continues to be the official publisher of his recorded and transcribed teachings.
I need help—how do I contact support?
If you need assistance, you can contact us at office@jovianarchive.com. We’re happy to help.
Environment and Differentiation
Every living creature is built for specific environments. Discover how your Design Nodes determine which environment is healthiest for your differentiation.