As a Biomedical Engineer, Gilda Barabino utilizes engineering principals to find solutions to health problems. Outside of the lab, she continues to make an impact in her community as an advocate for diversity in science and engineering.

Recently removed from a protected species watch list, the timber rattlesnake is making a comeback in Pennsylvania. And now one man is on a mission to help spread the word about this misunderstood reptile.

Eons from now, when some believe few species will still exist, tardigrades, also known as “water bears” will be one of the last standing organisms on Earth. Professor of science at Harvard University, Avi Loeb, joins Hari Sreenivasan via google hangout to discuss one of the toughest animals on the planet.

Doctors and Medical professionals have used cadavers for centuries to better understand human anatomy. But, the use of cadavers has limitations, as they are difficult and costly to store and maintain. Now, scientists at a biotech company in Tampa, Florida, have created an alternative.

A Tuvan throat singing ensemble from Siberia has toured the world, demonstrating both their cultural heritage, as well as their vocal mastery. Their incredible ability to sing many pitches simultaneously has inspired wonder and a deep appreciation for their craft. How they achieve these otherworldly sounds is being explored by speech pathologist Aaron Johnson.

Dr. Keith Cook of Carnegie Mellon University, Department of Biomedical Engineering has developed an artificial lung that promises to provide needed long term respiratory support for patients waiting for a transplant. He joins Hari Sreenivasan to discuss this scientific advancement.

Zena Cardman, a Pennsylvania State University research fellow was selected as part of NASA's astronaut class of 2017. Cardman explains the selection process and the role science has played in her life.

Over the past few decades, Oregon Field Guide has documented conservation effort and wildlife research projects across Oregon with many of those projects spearheaded by the state's fish and wildlife department. But conservation programs run by the state wildlife agency have been slashed since the heyday of the early 90s. So who's watching out for Oregon’s wildlife now? And is enough being done?

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 one of her latest podcast episodes about how plants know which way is up.

Humans continually use land for homes, businesses, farms and roads. And it’s inevitable that many of us will end up taking up a 6 by 3 foot plot of land when we die. But now there are efforts underway to provide a final resting place with the least amount of impact to our environment.

To many yawning is simply a reflex that occurs when one is tired or bored. Evolutionary Neuroscientist, Andrew Gallup has been “tirelessly” studying the science behind yawning. He joins Hari Sreenivasan via Google Hangout with his insights.

It’s a Bird. It’s a Plane. It’s an Insect. Take a look as a team at Pennsylvania State University uses high speed cameras and fluid dynamics to understand the mechanics of insect flight.

For the past four years, researchers have been trapping rats and extracting their DNA to learn more about their evolutionary origins and their interactions with urban environments. Dr. Munshi- South joins Hari Sreenivasan to discuss the rats of New York City.

In 2021 astronomers will dive deeper into outer space with the use of a 23 million dollar telescope in one of the world's highest deserts located in Chile. Martha Haynes, Cornell University Professor of Astronomy, joins Hari Sreenivasan via Google Hangout to discuss the project.

Imagine a world where you find a tasty looking recipe, gather the ingredients and simply press print. Engineer Hod Lipson is on a culinary quest to make 3D-printed food a reality.

John Edmark’s sculptures are both mesmerizing and mathematical. Using meticulously crafted platforms, patterns and layers, his art explores the seemingly magical properties that are present in spiral geometries. In his most recent body of work Edmark creates a series of animating blooms that endlessly unfold and animate as they spin beneath a strobe light.

Dave Mosher is a science reporter who's written for Scientific American, Popular Mechanics, National Geographic News and discovery.com. Throughout his career he's watched humans and robots launch into space, flown over the North Pole to catch a total solar eclipse and toured a cutting edge nuclear reactor. He joins Hari Sreenivasan to discuss firsthand experience inside a nuclear reactor.

In the forests of the Northwestern United States, one technological innovation has greatly impacted the logging industry: the chainsaw. Up next, our environmental reporting partner Earthfix looks at how this mechanical tool evolved to transform the timber industry.

The Houston Astrodome is the former home to many Houston sports teams, but it’s gone unused for the past decade. Now a local architect has a plan to re-envision the future of the stadium.

Imagine a world where doctors could repair damaged tissues or organs with a patient's very own cells. Well, one laboratory in North Carolina is working on just that with support from the United States Military. Up next, a look at the groundbreaking signs of regenerative medicine from the PBS documentary film Military Medicine: Beyond the Battlefield.