Topic: Alexis Madrigal

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Horizons Leap Motion: Forget mouse and keyboard. Control a PC with hand gestures.

Leap Motion Controller lets people swipe, pinch, and tap the air to control their computers.
Climate change wrecking Walden's flowers

Some 27 percent of the flowers around Henry David Thoreau's stomping grounds have vanished since the mid 19th century, and another 36 percent are on the brink of disappearing.

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.'

Topic: Alexis Madrigal

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Horizons Leap Motion: Forget mouse and keyboard. Control a PC with hand gestures.

Climate change wrecking Walden's flowers

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Difference Maker He serves breakfast – with a side order of respect – to the homeless

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