In the middle of the Arabian Sea Algae Blooms are taking over the base of the food chain which could prove catastrophic for 120 million people living on the sea’s edge. Joaquim Goes, Research Professor at Columbia University's Lamont-Doherty Earth Observatory in New York City joins Hari Sreenivasan to discuss this growing problem.

Dave Mosher is a science reporter who has written for Scientific American, Popular Mechanics, National Geographic News and Discovery.com. Mosher joins Hari Sreenivasan to discuss Space X's Falcon Heavy, the most powerful operational rocket in the world.

One challenge zoo’s often face is replicating the natural habitats of their animals from around the world. The Rosamond Gifford Zoo in Syracuse, New York is using different innovative technologies to help their animals feel at home.

Nearly 250,000 residents live in the Navajo Nation, which spans sections of Utah, New Mexico and Arizona. The area contains a strong mining presence, one that has led to dangerous spills and water contamination. Hydrologist Karletta Chief, who is a member of the Navajo Bitter Water Clan, discusses her work and how her personal relationship with those waterways influenced her pursuit of science.

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 solutions of climate change.

3-D printing is known for creating models and smaller scale products, but now manufacturers are using this technology to develop metal parts for aircrafts and rockets. Join us as we dive deeper into this innovative process of additive manufacturing.

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 a Little Known African American Inventor, Sarah Boone.

As Humans - Hydration, Exercise, and clean eating are vital to our health and well-being. But what about religious practices like prayer and meditation? Dr. Andrew Newburg, Professor at the Marcus Institute of Integrative Health, Studies the interplay between religious experiences and the brain.

Dr. Dawn Weatherford, Assistant Professor of Psychology at Texas A&M University in College Station, Texas is studying the accuracy of detecting fake ID’s in the hope of improving employee training for the transportation security administration, or TSA, and the United States border patrol.

We visit the University of the Incarnate Word in Alamo Heights, Texas, where assistant professor of Meteorology, Gerald Mulvey, introduces us to a variety of instruments used to survey the climate’s past and present.

If you have ever used a step counter or a heart rate sensor, you’ve used the same technology that biologists at Lenoir-Rhyne University are using to study Herons. We take a look at how the same G-P-S and tracking technology is being used on birds.

Science lovers in New Jersey are now able to experience the cosmos in a whole new way—on the largest planetarium in the western hemisphere. Reporter Maddie Orton took a trip to the Liberty Science center to see for herself.

A new study is re-evaluating the extinction of thousands of animal and plant species. Leading this project is Columbia University professor and biologist Don Melnik. He joins Hari Sreenivasan to explain why he believes current extinction estimates are vastly underestimated.

In Lenoir, North Carolina, young derby drivers are putting their petals to the metal in a series of races in which their only engine is gravity. The downhill run teaches physics, as well as engineering, to students in a fun and creative way.

New research at the University of Texas at San Antonio is helping to predict clouds and weather patterns that affect solar grids.

For centuries, churches have served as gathering places for communities around the world. Now worshippers are also gathering in a digital space. Here’s a look at how an innovative church is connecting people in the 21st century.

Dave Mosher is a science reporter who has written for Scientific American, Popular Mechanics, National Geographic News and Discovery.com. He joins Hari Sreenivasan to discuss planetary protection.

Mudslides can be a dangerous and deadly natural event and are often triggered after widespread wildfires. In California, emergency responders and the U.S. Geological Survey are researching better ways to be prepared in the event of a mudslide.

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 if there are genetic markers for concussions.

Bats are known for their bony wings and fast flight. Researchers at Brown University in Rhode Island are studying these characteristics to determine how bats can advance human technology.