gladiators all ate an exclusively-plant-based diet

Chief medical correspondent Sanjay Gupta, MD reveals the findings of a year's research in which he evaluated the preventive role of diet in avoiding and reversing heart disease. The documentary also features interviews with medical experts and former US President Bill Clinton.

For over 50 years now we have been launching satellites into space

Civilization: cities, built environment, transmission lines, pipelines, main paved and unpaved roads and railways

Beware the center food aisles...

Have you ever wondered why a bunch of carrots costs more than a package of Twinkies? Food journalist Michael Pollan connects the dots between food policy, high-fructose corn syrup, and our health

Making a Living Bridge

Urban runoff is a main source of pollution at beaches across the United States.

Orangutan cools off like a human with a cloth.

Climate Change Video

many scientists are convinced that for humans it is a super antioxidant, a powerful antibiotic, energy booster, heart-helper, lung-improver and sex sustainer.

Eagle Owl Landing Video

emerging west Texas wind boom.

overfishing—catching fish faster than they can reproduce—continues to deplete 10 of our dinner-time favorites, including Atlantic cod

The typical broiler chicken comes from a facility that produces more than 605,000 birds a year.

advocate for a Farm Bill that's also a Healthy Food bill. Some surprising stats about who's receiving federal farm subsidies.

South Africa's annual Sardine Run has been dubbed 'The Greatest Shoal on Earth'

the reality of farming genetically modified crops in the USA 10 years after their introduction.

this endangered Asian elephant had lost his left front foot due to injuries sustained from a poacher's snare.

San Diego Zoo's 5-month-old hippo calf, Adhama, is becoming increasingly playful and has developed quite a skill for water ballet.

gladiators all ate an exclusively-plant-based diet

Chief medical correspondent Sanjay Gupta, MD reveals the findings of a year's research in which he evaluated the preventive role of diet in avoiding and reversing heart disease. The documentary also features interviews with medical experts and former US President Bill Clinton.

For over 50 years now we have been launching satellites into space

Civilization: cities, built environment, transmission lines, pipelines, main paved and unpaved roads and railways

Beware the center food aisles...

Have you ever wondered why a bunch of carrots costs more than a package of Twinkies? Food journalist Michael Pollan connects the dots between food policy, high-fructose corn syrup, and our health

Making a Living Bridge

Urban runoff is a main source of pollution at beaches across the United States.

Orangutan cools off like a human with a cloth.

Climate Change Video

many scientists are convinced that for humans it is a super antioxidant, a powerful antibiotic, energy booster, heart-helper, lung-improver and sex sustainer.

Eagle Owl Landing Video

emerging west Texas wind boom.

overfishing—catching fish faster than they can reproduce—continues to deplete 10 of our dinner-time favorites, including Atlantic cod

The typical broiler chicken comes from a facility that produces more than 605,000 birds a year.

advocate for a Farm Bill that's also a Healthy Food bill. Some surprising stats about who's receiving federal farm subsidies.

South Africa's annual Sardine Run has been dubbed 'The Greatest Shoal on Earth'

the reality of farming genetically modified crops in the USA 10 years after their introduction.

this endangered Asian elephant had lost his left front foot due to injuries sustained from a poacher's snare.

San Diego Zoo's 5-month-old hippo calf, Adhama, is becoming increasingly playful and has developed quite a skill for water ballet.