Uncovering the Sun’s Fury: Miyake Events and Earth’s Past

Uncovering the Sun’s Fury: Miyake Events and Earth’s Past

For more than four billion years, Earth and Sun have been bound in a dynamic relationship. In our planet’s earliest era, powerful solar eruptions helped warm the young Earth and fueled the chemical reactions that shaped the atmosphere, oceans, and eventually life...
RE-RELEASE Astrobiology: Exploring Other Worlds

RE-RELEASE Astrobiology: Exploring Other Worlds

Ted and Shirley Taubeneck Superior Teaching Award — Award-Winning HSP Course — Each year, Humanities Seminars Program students select a small group of professors whose teaching rises to the highest level of excellence. Chosen entirely through student evaluations, the...
The Colorado River: Science, History, Literature, Policy

The Colorado River: Science, History, Literature, Policy

For more than a century, the Colorado River has sustained the American West—shaping landscapes, communities, and countless lives. Today, after decades of drought and growing demand, the river stands at a crossroads. This course invites you to explore its story from...
Cosmic Chemistry from the Big Bang to You

Cosmic Chemistry from the Big Bang to You

What do stars, supernovas, and ancient civilizations have in common? The answer lies in the elements that shape our universe—and our lives. This course explores the cosmic origins and earthly significance of eight iconic elements: hydrogen, helium, carbon, oxygen,...
RE-RELEASE – The History of the World Written in Tree-Rings

RE-RELEASE – The History of the World Written in Tree-Rings

This course will focus on the scientific field of dendrochronology (from dendron=tree and chronos=time), or tree-ring science, and what it can tell us about the past, present and future. We will explore the fascinating history of how the science was developed by a...
Understanding Our Forests: Benefits, Threats, and Challenges

Understanding Our Forests: Benefits, Threats, and Challenges

Forests represent some of the planet’s most vital ecosystems, covering substantial areas and significantly influencing human society and the global economy. However, human activities, especially climate change, are profoundly reshaping forest structures and functions....
Horses in Motion: A History of the Biomechanics of Movement

Horses in Motion: A History of the Biomechanics of Movement

This course delves into the millennia-old partnership between humans and horses, revealing how it has influenced transportation, sports, and warfare. We’ll explore the evolution and science behind horse movement, highlighting its impact on society. Special...
Collective Intelligence: How It Works and How It Fails

Collective Intelligence: How It Works and How It Fails

Explore the concept of collective intelligence, where group behavior leads to efficient problem-solving. Discover how natural and engineered systems, like ant colonies, cellular societies, and computer networks, exhibit intelligent behaviors similar to human...
Insects and Human Culture

Insects and Human Culture

Please Note: This course will be held in Oro Valley at the Western National Parks Association (12880 N Vistoso Village Dr). The relationship between humans and insects can be antagonistic. Only about 6% of people said that they enjoyed having insects in their yards....
Evolution of Cognition

Evolution of Cognition

This course is now sold out. Click here to join the course wait list. If space opens up we will contact those on the wait list on a first come, first served basis. Why are humans such a unique species on earth—or are we? We often think our intelligence (or more...
Enigmas of the Universe

Enigmas of the Universe

Astronomy has seen tremendous progress in the past century. Large telescopes on the ground and in space now give us views of the universe across the electromagnetic spectrum. Powerful computers can handle exponentially increasing volumes of data, and they allow...
Climate Change: Earth, Sea, and Sky

Climate Change: Earth, Sea, and Sky

This course was originally scheduled for Spring 2020 but was postponed due to COVID-19 Have you ever watched in wonder at our gorgeous earth, sea, and sky interacting to provide us with the air we breathe, water we drink, and food we eat? Come hear UA professors of...
Understanding Our Changing Forests

Understanding Our Changing Forests

Please Note: Summer 2020 Course Registration Opens Online on Monday, May 11th at 8AM Forests represent the predominant ecosystems of the Earth’s land area. They are a critical element in many processes that affect the environment, human society, and our global...
Complexity: Ants, Networks, and the Emergence of Organization

Complexity: Ants, Networks, and the Emergence of Organization

The brain of an ant is smaller than a pinhead, yet social insect colonies implement effective organization and flexible problem solving at large scales. But their organization is alien to us: no hierarchy or central control(er) guides individual actions. Similar...
The Evolutionary History of Plants

The Evolutionary History of Plants

Plants represent an important and extraordinarily diverse group of organisms. Photosynthesis in plants and algae contributes the energy supporting life in nearly all of the Earth’s ecosystems. Oxygen, produced by photosynthesis, has also radically changed the...
The Biology of Cooperation

The Biology of Cooperation

Attend In Person OR Online! See Below for full details about our new Hybrid courses Birds do it. Bees do it. Microbes do it, and people do it. Throughout nature organisms cooperate with each other. Humans have always been deeply attracted to the idea of...
Deserts, Plants, and People

Deserts, Plants, and People

Attend In Person OR Online! See Below for full details about our new Hybrid courses Arid and semiarid environments, commonly known as “deserts,” make up about one-third of the earth’s land surface and are home to more than one billion people. We will...
The Colorado River: Past, Present, and Future

The Colorado River: Past, Present, and Future

Attend In Person OR Online The Colorado River starts in a high mountain meadow, flows through forests and canyons, and past tribal nations. The river now generates power and is diverted to farms and cities — and no longer reaches the sea. How did we get here?...