Techknow - Season 4 / Year 2015

Lindsay Moran and Kosta Grammatis take a look at the science behind distracted driving.

Filming inside the National Weather Service's severe storm center; investigating recent spikes in extreme weather.

Scientists race to explore undersea vents before mining companies harvest.

Virus hunters concentrate on finding vaccines and treatments for new deadly infectious diseases.

Traveling to the rain forest of Costa Rica to examine the impact of climate change on the earth; scientific expedition happens upon a cave full of bats.

Peru's Amazon rain forest faces potential destruction in the form of a modern day gold rush.

Cutting edge scientific technology fights rising tides in Florida; controversial debate regarding climate change.

Scientists who are determined to save endangered macaws from extinction.

The politics of internet speed; the U.S. city that curbs the trend by being that with the fastest internet in the Western Hemisphere.

Whether technological advances can improve the waste problem caused by plastic that is not being recycled.

The rain forests in Peru are being destroyed by gold strip-mining; new campaign against ``dirty gold'' targets major jewelers.

Scientists use DNA and carbon dating as a method to track and hopefully prevent poachers from devastating the world's elephant population.

Scientists claim genetically modified foods can feed the world; an in-depth look at GMOs.

The safety of seafood is scrutinized in a report that centers on illegal antibiotics allegedly found in shrimp imported into the U.S.

E-cigarettes are investigated. Included: the story behind smoking-cessation claims; and the alleged dangers of some vape flavors and larger vaping devices.

A study of what went terribly wrong in New Orleans during Hurricane Katrina. Included: technology that may be able to protect New Orleans from future disaster.

An Arctic expedition offers a study of climate change's impact on the region.

The focus is on the bison, once on the brink of extinction.

A look at a controversial drug trial involving the use of Ecstacy to treat trauma and PTSD.