History of the Universe in One Hour

11/13/11 From the Big Bang to parallel universes... Max Tegmark

The Tumultuous Milky Way and Its Satellite Galaxies

08/23/11 How do spiral galaxies like our Milky Way form? Elena D'Onghia

Mass Extinctions

04/09/19 What caused Earth's five mass extinctions --and most important--are we headed for a sixth? Andrew Knoll

Antarctic Fishes: Models for Climate Change and Human Disease

07/09/13 the unique "antifreeze" blood and skeletal mutations of the Antarctic Icefishes provide insights into both climate change adaptations and human disease. H. William Detrich, III

Human Earth

12/09/21 A distinguished geologist compares the human impact on our planet with the impacts of natural catastrophes over billions of years. Based on his book, A Brief History of Earth, this discussion is a sequel to an earlier conversation. Andrew Knoll

Understanding Coastal Ecosystems

06/18/15 A visit to the Helmuth Lab at NEU's Marine Science Center to learn how scientists investigate effects of changing climate on coastal ecosystems. Brian Helmuth

Virus vs Host: An Enduring Battle

02/14/23 Viruses must appropriate the DNA/RNA of living cells in order to survive. The battle between viruses and cell defenses is a classic example of the epic struggles that characterize Nature. John Connor

Genetics and Social Responsibility

10/07/14 A distinguished leader in genetic research discusses his dual commitment to science and ethics. Jon Beckwith

Cooler Smarter

06/28/12 A co-author of the new book from the Union of Concerned Scientists describes how individuals can substantially reduce their carbon footprints while creating a healthy lifestyle...Jeff Deyette

The Bionic Leaf: Clean Energy for All

08/02/22 A unique innovation based on photosynthesis, the bionic leaf can potentially produce energy and fuel inexpensively --and in a localized manner. Daniel Nocera

Today's Featured Contributors

Featured Author

David Mindell, Ph.D.

A leading robotics engineer and historian explains the role of robots in research and other fields today

Featured Guest

Maria Ivanova, Ph.D.

An outstanding researcher and advocate for international policies to protect wildlife, environment and resources.