Solar energy is all that an experimental plane needed to complete its first 24-hour test flight.
Solar power plane is a key step in a historic effort to one day circle the globe using only energy collected from the sun.
The number of tourists coming to Japan dropped dramatically after the Fukushima nuclear disaster in 2011. But between the weak currency and fading memories of the disaster, tourism saw a record high last month.
Doing Good
What happens when ordinary people decide to pay it forward? Extraordinary change...
Scott Budnick works in the dining room as customers arrive for a free meal at the Mathewson Street Friendship Breakfast in Providence, R.I.
Scott Budnick serves breakfast – with a side order of respect – to the homeless
Sunday breakfast at a Providence, R.I., church is more than a free meal. Half the volunteers are homeless themselves: 'It's their [own] breakfast that they're putting on.'
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