The Columbia River, cutting twelve-hundred miles through Washington and Oregon is the fourth largest river in America. Beneath the surface of this mighty river swims a mighty fish, the white sturgeon. It’s the largest freshwater fish on the continent, but these incredible creatures are the target of poachers who want their eggs for highly coveted caviar, putting the species in peril.

Microbial Ecologist Jack Gilbert explains that the human microbiome is the bacteria, the fungi, and the viruses that we find inside our body. There’s around a hundred trillion cells of bacteria and viruses inside our body, and they outnumber our own human cells by about two to three times. They weigh around two to three pounds, which is about the same weight as your brain.

Of the more than three hundred thousand older Americans who fall each year, forty percent end up in a nursing home, and twenty percent are never able to walk again. Dr. Joseph Choi of Chapman University studies the science of taking a tumble in hopes of saving seniors from these life-threatening falls. Here’s a closer look.

Mark Norell, named “Coolest Dude Alive” by the Wall Street Journal is the Chairman of the Division of Paleontology at the American Museum of Natural History. Up next, Norell gives us an inside look at what it’s like to be the museum’s chief reptile dinosaur expert.

Scientists estimate that there are eight-point-seven million species on earth, but experts are only familiar with two or three percent of those creatures. Researchers in New Jersey have added one more animal to the list: a frog with a particular calling card that makes it stand out from the pack. Reporter Lauren Wanko has the story.

Across the country, kids as young as six years old are designing, building, and battling their very own robots. Through the non-profit organization, FIRST, each year hundreds of thousands of elementary, middle, and high school students take part in robotics competitions jumpstarting a lasting interest in science, technology, engineering, and math. Reporter Andrea Vasquez has the story.

How do you get rid of weeds? You put a tiny creature that is part of the beetle family to work. In Florida, a tenacious vine called the “air potato” poses difficult challenges to wildlife managers, but they're fighting back by letting small critters do what they do best. In this next segment we go inside the ground war on the air potato.

Mark Siddall, curator at the American Museum of Natural History, takes us inside the minds of venomous organisms, as he explores the many strategic ways venom is delivered. Join us as we sit down with him.

According to the latest results from the Program for International Student Assessment, American students ranked average in science and reading among the world’s most developed countries, and below average in mathematics. In order to improve these metrics, teachers have developed an innovative method of teaching that allows them to improve the classroom experience.

My name’s Jeff Dachis, and the company’s name is One Drop, and we are a mobile diabetes management platform. We allow people to log their food, their insulin, their activity and their glucose all in one simple, easy to use app, and then to share all that information with the community of other people like them, so that we can all learn how to navigate our diabetes together.

The inaccuracy of weather reports on record breaking snowfalls and scorching heat has many questioning the reliability of data from outdated weather satellites. Across the globe, one man is using a constellation of cutting edge satellites to revolutionize the weather technology industry. Peter Platzer, CEO of Spire joins us now.

We do “Show and Tell” with two tortoises, Hermes and Mud. Hermes and Mud have been at the American Museum of Natural History for 13 years. These were the two last ones out of their litter. One had an underslung jaw and the other one, his back had been broken so his shell was grown kind of funny.

As the human population grows around the world, communities often begin to encroach upon land that was previously inhabited by local animals. We take a look at one community’s efforts to cohabitate with their local black bear population. Here’s a look.

First discovered in the 1920s, the Theremin is a unique electronic instrument that has been used to create dramatic movie sound effects, unusual orchestral music, and has also been used to help students understand the power of bioelectric magnetic fields. Reporter Maddie Orton brings us the story.

Mild traumatic brain injuries related to sports like football and soccer is an ongoing topic of conversation. Dr. Michael Lipton joins me to discuss the use of advanced imaging techniques in concussion research. Dr. Lipton is the Associate Director at the Gruss Magnetic Resonance Research Center at the Albert Einstein College of Medicine.

In January 2015, the iconic Doomsday Clock moved two minutes closer to midnight. What does that mean? According to the esteemed Bulletin of Atomic Scientists, the world is that much closer to catastrophe. Should we be worried? To explain, is the man who virtually moved the hand himself, climate scientist Richard Somerville.

NASA's New Horizons spacecraft made a historic flyby visit to the dwarf planet Pluto. It passed within 7,750 miles of Pluto's surface, which is roughly the distance between New York and Mumbai, India. It is the first-ever space mission to explore a world so far from Earth. Here's a look back at Pluto's biggest moments on the timeline of human history.

We take a deep look at coral reefs, often called “the rainforests of the seas,” and learn why these diverse ecosystems are at risk around the world.

One of the questions Wendy Chung is frequently asked is what can genetics do in terms of medicine for us today, and is that changing? She argues that we are in a very dynamic period of medical history, where we have extremely powerful tools that we’ve never had before to be able to diagnose individual patients and understand better what’s the cause of their condition.

We meet American inventor David Edwards, who is playing with our senses in an effort to change the way we experience everything, from food to telecommunications. When Edwards isn’t tinkering with one of his inventions that allows users to ingest their favorite drinks as vapor, the Harvard professor can be found at his restaurant, Café ArtScience, or what he calls the Apple Store of Nutrition.