Engine Earth - Christmas Lectures 2020 - Lecture 1
Geologist Chris Jackson explores Earth's climate history, revealing how ancient rocks and fossils tell a story of radical changes and how volcanoes have controlled atmospheric carbon dioxide levels throughout time.
Ecosystem Jenga - What Tiny Fossils Tell Us About a Massive Extinction
Explore the dinosaur extinction debate through microfossil research in Saskatchewan, examining the role of the bolide impact and its implications for understanding modern climate change.
Mass Extinctions, Ray-Finned Fishes, and the Closing of Romer's Gap
Explore how Early Carboniferous fossils reveal ray-finned fish evolution and the impact of the Devonian mass extinction on modern vertebrate development.
Volcanic Contributions to the Stratigraphic Record - 9th Seds Online Student Webinar
Explore volcanic impacts on stratigraphy through tellurium proxies, tephra remobilization in Patagonia, and moisture effects on pyroclastic deposits. Gain insights into volcanic contributions to Earth's geological record.
5 Times Supercontinents Caused Major Diversification and Devastation of Life
Explore Earth's supercontinents and their profound impact on geology, climate, and biodiversity throughout history. Learn about mass extinctions, diversification events, and future predictions.
The Atmosphere's Impact on Climate and Life on Earth
Explore Earth's atmosphere: structure, composition, and its crucial role in climate regulation. Learn about greenhouse effects, carbon cycle imbalances, and the impacts of climate change on our planet's systems.
Scientists in Action: Bygone Bugs and Prehistoric Flowers
Explore prehistoric insects and flora from Colorado's Front Range, uncovering their evolution and survival through Earth's mass extinction event 66 million years ago.
Colorado's "Newest" Mass Extinction - A Tale from the Dire Formation
Explore Colorado's ancient mass extinction event through fossils, field work, and geological data analysis with paleontologist James Hagadorn.
The Speed of Life: A Deep-Time Perspective on Evolution
Explore deep-time evolution, examining factors shaping biodiversity through millions of years. Uncover patterns in species survival, diversification, and recurring forms across different groups and time periods.
Earth's Mass Extinctions
Explore the surprising role of bacteria in Earth's mass extinctions and the potential medical applications of hydrogen sulfide in this thought-provoking talk by Peter Ward.
Earth's Mass Extinction
Explore the controversial "Medea Hypothesis" and learn how bacteria, not asteroids, may be responsible for Earth's mass extinctions through the production of hydrogen sulfide.
What Killed the Dinosaurs - The Series of Events Following the Asteroid Impact
Explore the catastrophic chain of events that led to dinosaur extinction, from the initial asteroid impact through global climate changes, and discover how life eventually recovered on Earth.
Apocalypse Now and Then: The Permian Extinction and Its Relevance for Today - Lecture 5
Explore the Permian Extinction's lessons for our current era through Cornell Professor Toby Ault's insightful lecture at the Museum of the Earth.
Mass Extinctions: A Brief Summary of Earth's Major Catastrophic Events
Explore Earth's major mass extinctions, their causes, and impacts on biodiversity throughout geological history.
Mars, OSIRIS-REx, and How to Safely Return Samples from Outer Space
Explore Mars sample return, OSIRIS-REx mission, and safe sample retrieval from space with NASA's Dr. Lindsay Hays. Gain insights into astrobiology, Venus exploration, and recent space missions.
Volcanic Winters from Supereruptions at the Dawn of the Age of Dinosaurs
Explore volcanic winters from supereruptions during the early Triassic and their impact on dinosaur evolution in this geological colloquium.