Hosts ask how soon genetically modified salmon could hit your table, how NASA charts out a Mars rover's path and discover a secret garden inside Chicago's O'Hare Airport.

A bionic exoskeleton helping paralyzed people walk again and meet a teenage inventor of a cancer screening test.

A new device that allows hearts and other organs to live outside the body, explore New York City's ambitious plan to convert its taxi fleet to electric cars and meet a teenager who used a 3-D printer …

Explore how a remotely piloted Predator drone helped fight the Rim fire in Yosemite National Park

Meet Carmen Tarleton, the seventh person in the U.S. to receive a full face transplant, as she rebuilds her life and meets the donor's daughter.

Join our expert contributors as they explore high-tech methods to artificially inseminate honey bees, which are dying in record numbers.

Join our expert contributors as they explore new technology, including a new kind of high-density plastic that can be inserted into students' backpacks or teachers' white boards in hopes of deflecting…

Phil takes a ride with NASA in a flying science lab that measures evidence of climate change.

Marita goes swimming with sharks to see first-hand how a new underwater robot is tracking animal behavior in the ocean.

Crystal, a nicotine researcher, investigates the science behind e-cigarettes and vape culture.

Crystal, a nicotine researcher, investigates the science behind e-cigarettes and vape culture. Plus, Marita meets chefs and scientists teaming up to create new high-tech restaurants, and Phil gets his…

Marita goes inside San Francisco's new Bay Bridge to see its innovative approach to earthquake proofing. Kosta visits a startup working to make humans invisible to mosquitoes.

Phil puts his entomology chops to the test to learn how bugs may be the most overlooked protein.

Lindsay learns how police departments are using lapel cameras and acoustic sensors to maximize efficiency and reduce crime.

Lindsay tests out the treatments doctors and therapists are using to help soldiers diagnosed with PTSD and traumatic brain injuries, including hyperbaric oxygen therapy and virtual reality therapy.

Kosta gets a look at how 3D printing can be used to make everything from home electronics to baked goods—even an artificial heart valve that expands as pediatric patients grow.

Shini goes to Oklahoma to visit infamous "Tornado Alley" to see new innovations being developed to better track tornadoes and lessen the damage they cause.

Phil travels to Peru to uncover whether a spider or mite could be constructing never-before-seen circular web structures.

Shini reports on facial recognition software used for law enforcement—and nightclubs. Marita visits a San Francisco lab working to build a better, plant-based egg substitute. Plus Kyle visits a solar …

Testing out satellite technology that can detect a heartbeat buried under rubble.

New data on e-cigarettes reveals what's really in them and the secondhand smoke impact.

Taking their cue from cancer-detecting dogs, scientists work towards developing high-tech devices that can sniff out cancer early.

Scientists want to harvest spider silk, which could be used to hold up bridges or create artificial body parts.

NASA observes shrinking glaciers and fast rising seas; charts impacts of climate change.

Living laboratory; one of the greenest houses on earth; high-tech house may help solve climate change issues.

We explore the future of genetic sequencing and how it is poised to change healthcare from being reactive to proactive.

TechKnow explores a new technology which could be a game-changer in the organ retrieval process. Also on this episode of TechKnow: Swimming with sharks.

In many ways, the crime-fighting of the future is with us today - TechKnow explores how new techniques in forensic science can influence the ways we solve crimes.

Examining technology that could potentially bring animals back from extinction.

Automakers have recently accelerated their efforts to manufacture vehicles that drive themselves.

In today's hyper connected world, viruses can spread faster than ever. Some, like the measles, continue to plague us, and then there are newer ones like Avian bird flu, SARS and Ebola.

Honda's smart house is an innovative eco-friendly, energy efficient lab, that is able to generate its own power as a solution to living off the grid. Cara Santa Maria and Phil Torres spent a night at …

Religion was long seen as spiritual nourishment of the soul, but now, groundbreaking research looks at how it impacts the brain. Can 'feeling the spirit' be measured scientifically?

The smuggling of endangered wildlife, both dead and alive, is a billion dollar global business, second only in size to the illegal arms and drug trades.

TeckKnow investigates the modern-day Indiana Jones behind the booming business of dinosaur bones.