From: HowStuffWorks on Sat, Jun 11 2011 2:09 PM

Knox College is just one of many colleges trying to get on the cutting edge of sustainability. Planet Green’s Holter Graham travels to Knox college to learn just how successful they have become.

From: HowStuffWorks on Sat, Jun 11 2011 2:09 PM

The two finalists, Sean LaCoste and Joe Resto, receive a phone call from Bear Grylls with some very good news.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

It’s said that Neanderthals, ancient hominids, are still walking the earth. Called "wild men," reports of these beings come mainly from the hills of Pakistan and Afghanistan.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Hoarding isn’t always just a behavioral condition — it can take its toll physically as well.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

In a stroke of genius, Alain Prost sets and executes a trap for Aryton Senna in the Japanese Grand Prix.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Take a peek into the locked room that use to be Tommy’s music studio nearly 20 years ago.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Mya thinks she’s helping a geological research team at a remote quarry. As the night unfolds, she discovers they've awakened a nest of vicious, monster-sized death worms, and they're on the attack

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

The world’s 2 best drivers dominated the Formula One race track in the 1980s.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Victoria Stilwell knows that communication is the key to every great relationship — and so does Toyota. Check out this clip for a closer look at Toyota’s newest technology.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Rising rates of obesity have taken their toll, reaching epidemic proportions in the West. Planet 100 counts down the top five superfoods for a super healthy diet.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

A drugged tiger cub is nearly smuggled in an airplane carryon, uncharacteristically cold water in Bolivia has killed millions of fish and other animals, and Angelina Jolie reveals that her latest... (more info)

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Many dog-owners have asked Victoria Stilwell how they can get their pooch comfortable in a car. In this clip, Victoria explains what your dog needs to enjoy a road trip, and why the right type of... (more info)

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Today, on Planet 100, a golf course in the UK tries to go from environmental blight to an eco-hole-in-one, a couple of homeowners build with hemp, and "downward dog" takes on a whole new meaning.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Welcome to Planet 100 for August 31, 2010. Today, Canada’s oil sands dump toxins into the Athabasca river, hype blooms over the clean, green, power plant in a box, and movie fans may have to rethink... (more info)

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Planet Green interviews Ric and Lincoln O’Barry, stars of "The Cove" and the new Animal Planet mini-series "Blood Dolphins, about why they do what they do and what you can do to help dolphins.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Enter the mind of a child who suffers from the strange and isolating condition known as selective mutism. These children will often speak normally at home, but in public they are paralyzed with... (more info)

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

Following up on the moving story of Michelle Cartsen, a quadriplegic mother who beat the odds and gave birth to a healthy baby, viewers get an inside look at her life four years later.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

In this one-hour special, viewers will meet four children with startlingly different Tourette’s diagnoses: Cameras will follow the lives of parents as they help their children cope.

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

A Pukwudgie is a small, troll-like being from the Native American Wampanoag. The Pukwudgie’s features resemble those of a human, but with an enlarged nose, fingers and ears. Their skin is described... (more info)

From: HowStuffWorks on Sat, Jun 11 2011 1:48 AM

In 1978, a Toronto city worker encountered what he believed to be a "tunnel monster" while working in the city’s sewer system. The claim led to a widely publicized search for the creature, but it was... (more info)