But as part of his course work he toured a Magnolia Ice Cream plant with one of his chemical engineering classmates, his soon-to-be wife, and learned of a franchise opportunity.

FORBES: Billionaire Tony Tan Caktiong Takes Jollibee Foods Global

His boyhood had been spent in and out of his father's ice-cream plant, and in 1935 he started such a plant himself, the Wilber Farms Dairy in Buffalo.

ECONOMIST: Robert Rich

For the past three years ICE, run by onetime power plant developer Jeffrey Sprecher, has been constantly accused of being a puppet for Wall Street.

FORBES: Death of La Salle Street (updated)

The question then becomes, well, what happens then: when the ice melts and albedo lowers, when warmer weather and higher CO2 increase plant growth, what happens to clouds and so on through a list of hundreds of possible feedbacks.

FORBES: If the MWP Was Global What Does That Tell Us About Climate Change Now?

For example, at higher altitudes only certain plant and animal species can survive under long periods of snow and ice cover.

UNESCO: 83e

Also show are agricultural land use and land surfaces with little or no plant cover - such as bare ground, urban areas and permanent snow and ice.

BBC: How Earth's land is used

Anyone who sends a tweet to the machine while standing in front of it will receive a free sample of BOS Ice Tea, a popular organic beverage made in South Africa from Rooibos, an indigenous plant which locals have used to make traditional tea for hundreds of years.

FORBES: Twitter-Activated Vending Machine Launched In South Africa