TechKnow Season 1, Episode 21: DNA Testing at Home

Harvesting GMO Salmon & Vertical Farms

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.

25 min

Exo Bionic/Cancer Test

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

25 min

Heart-in-a-Box/NYC Electric/NASA Kid

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 to create a prosthetic, robotic arm.

25 min

Drones/Predictive Policing/Mushrooms

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

25 min

Face Transplants/Condors

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.

25 min

Bees/Amazon Animal/Wine

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

25 min

Back-to-School / Cow Manure

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 gunfire.

25 min

NASA Seac4rs / Bamboo Bikes

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

25 min

Shark Robot/Driverless Cars/Predictive Policing

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

25 min

Concussion Tech / Mushrooms

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

25 min

E-Cigs/Heart-in-a-Box/Foodology

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 hands on a new device that allows hearts.

25 min

Earthquake Tech / Mosquitoes / Exo Bionic

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.

25 min

Orange Blight / Bugs as Protein / Space Boy

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

25 min

Hi Tech Police / Bionic Arms / High Tech Wine

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

25 min

PTSD / Oysters / Driverless Cars

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.

25 min

Exo Bionic / Cancer Test

25 min

Drones/Predictive Policing/Mushrooms

25 min

3D Printing/Texas Tech/Vertical Farms

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.

25 min

Lungs-in-a-Box/Bamboo Bikes

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.

25 min

DNA Pt 1/Molten Solar/Bugs as Protein

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

25 min

Fountain of Youth?

25 min

Lung in a Box

25 min

Space Archaeology

25 min

Inside the CSI

25 min

The Frozen Zoo

25 min

Medical Marijuana for Kids

25 min

Designer Drugs: Legal & Lethal

25 min

Hollywood Resurrection

25 min

Eyes in the Sky

25 min

Facial recognition, faux eggs, and solar energy

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 field in Nevada.

25 min

Survivors: Help in a Heartbeat

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

25 min

Smoking out the Truth: E-cigarettes Exposed

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

25 min

Sniffing Out Cancer

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

25 min

The Amazing Spider Web

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

25 min

Frozen: Operation IceBridge

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

25 min

Science Slumber Party

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

25 min

Distracted Driving

25 min

Farms Without Fields

25 min

Brain Hack

25 min