When was the last time you scarfed down a Big Mac at McDonald’s? For some high school students, fast food is a way of life — and not a very healthy one. Christopher Bolden-Newsome, community farm director and educator with Seeds for Learning-Beyond the Farm, a program that helps inner-city kids at Philadelphia high schools plant their own urban gardens and learn about nutrition and business, is a leader in the food-justice movement. He talks about his Seeds for Learning work and why the food justice community, which advocates access for all to good, healthy foods, is growing.

Christopher Bolden-Newsome: The Fight for Food Justice

Seth Goldman is raising awareness one tea leaf at a time. As president of Honest Tea, the company he started with a Yale professor, he has found a way to sell a healthier cold tea beverage and quench his thirst for social and environmental change. Goldman travels the world, visiting communities where his company’s organic teas are harvested and learning about the cultures that help grow his business. His career as an entrepreneur began when he was a kid selling used golf balls and lemonade. He now channels that energy into an Honest business with a passionate mission.

Seth Goldman of Honest Tea: The ‘Perfect Ingredient’ for Social Impact

Eighteen and entrepreneurial. That is fast becoming the million-dollar mission of kids around the globe. Starting a business is thrilling, impressive and profitable, which makes it all the more enticing to young business owner wannabes. Boris M. Silver is the founder of Sport Interactiva, a maker of sports applications – including Total Sports Fan, Premier League Fantasy Football and Premier League Soccer -- on social networks like Facebook and Bebo. In this podcast, Silver talks about starting Sport Interactiva, which he sold in 2008, and the value of working for a small business.

Boris M. Silver Scores Big with Sports Apps on Social Networks

While most teens hit the beach each summer, high school senior Brandon Martin is up to his elbows in ochre and watermelon as an employee of Seeds for Learning-Beyond the Farm, a program that helps Philadelphia high schoolers plant their own urban gardens and learn about nutrition and business. Martin, who wants to become a chef, doesn’t plan to come out of the garden anytime soon. Knowledge@Wharton High School talked to Martin when he was a sophomore about his summer experience and more.

Brandon Martin: A High School Student’s Taste of Fresh Eggplant and Entrepreneurship

While most of us rarely think of mummies unless it’s Halloween, Sam Cox constantly has the cloth-wrapped creatures on her mind. A graduate student at the University of Pennsylvania, Cox has been studying anthropology that uses the latest technology, like CT scans, to examine ancient specimens. She sat down with Knowledge@Wharton High School to discuss her path from high school to anthropology and how technology is changing her field.

Sam Cox Spends Her Sunday Mornings with High-Tech Mummies

Tiny is SO in these days. Nanotechnology, technology that is small enough to fit inside a computer chip, is a field that is attracting lots of young technologists. Wharton MBA graduates Brian Smith and Irene Susantio -- otherwise known as Team Solixia -- are putting tiny into action in health care. Their “Hot Dot” cancer treatment is the size of a small protein fragment yet 20 times more powerful in diagnosing and treating cancer than current methods. Brian and Irene have big plans for their business, which received a grant from the National Cancer Institute in August, 2010, as they spread the word about the small wonders of nanotechnology.

Wharton Business Plan Winners Brian Smith and Irene Susantio: The Small Wonders of Nanotechnology