earth

Asteroid Dirt

Science Friday, Video Producer Luke Groskin, joins Hari Sreenivasan to discuss asteroid dirt Regolith and how different it is from the dirt found on Earth.

Earth’s Climate Swings

For years some scientists have hypothesized about the existence of the earth’s natural climate cycles. Now, some researchers believe there is physical evidence to support this. Dennis Kent, an expert in paleomagnetism, the study of magnetic fields in rocks, has co-authored a study that analyzes rocks to show how the earth’s climate is dictated by […]

SciTech Now 506

In this episode of SciTech Now, we look at a camouflaging Squid; research magnetic fields in rocks; go inside an operation for brain surgery; and predict weather patterns and disasters.

The Hidden Life of Magnets

Ainissa Ramirez is a Scientist, Author and a self-proclaimed “Science Evangelist.” She is the creator of a podcast series called “Science Underground.” She joins Hari Sreenivasan to discuss the hidden life of magnets.

A Journey to The Arctic

Some say there’s no better place to understand the impact of climate change than Earth’s Northernmost region, The Arctic. Now a show called True North,  Launched by online news network The Young Turks takes viewers on a journey through this remote and rapidly changing region. Co-host of True North John Iadarola joins Hari Sreenivasan via […]

Bill Nye’s Warning for the Future of Our Planet

Bill Nye is an advocate for climate change awareness and evidence-based policy making. In this segment, Nye talks about a new documentary series that follows his fight for science as the solution to earth’s problems. This segment is part of an ongoing public media reporting initiative called Peril and Promise, telling the human stories and […]

The science of space rocks

The Solar System is known for its complex composition, including debris from asteroids and comets, called meteorites. Arizona State University Curator, Laurence Garvie, shows us what we can learn from each unique space rock that has landed on Earth.

SciTech Now Episode 203

In this episode of SciTech Now, the New York Fashion Tech Lab is a tech accelerator is helping companies at the intersection of retail and technology modernize the fashion industry; Ruth DeFries, professor of Ecology and Sustainable Development and Columbia University’s Earth Institute, explains how the history of human development has impacted our planet; The Blue Ocean Film Festival aims to spread awareness about what lies underwater, with help from aquatic filmmaker and explorer Fabien Cousteau; the Melrose Center is a 26,000 square foot state-of-the-art facility at the Orlando Public Library; and PBS Secrets of the Dead investigates the real possibility that a Trojan Horse could have been used to trick Troy into defeat.

Dark Matter

An expert from the American Museum of Natural History explains what we know about dark matter, how it was discovered, and what it means to us on Earth.