When the red key would reappear, they could peck it knowing they would get a larger reward.
They set up the pecking booth so that those pigeons who waited a little longer before pecking the red key would get more food when they chose to peck it.
Whenever the pigeons pecked the green key, the red key would go away for a while, meaning that the pigeons would no longer be tempted to peck it to get food.
Now clad in a black anodized brushed aluminum chassis and luminous white LED lighting, the Vengeance K95 keyboard has been upgraded with Cherry MX Red key mechanical switches on every key including the function and macro keys.
The AFMC windfall report is the second in a series of Red Flag reports that focus on culliing key details from the Financial Footnotes.. Our first Red Flag report focused on off-balance sheet debt and how it affects over 2900 companies.
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Many scientists are now trying to isolate the key ingredients in red wine.
The concept is believed to be the key to the Red Bull RB6's stunning pace in fast corners this season.
The new Vengeance K70 gaming keyboard is built on a rugged, brushed, aluminum chassis and features highly responsive Cherry MX Red mechanical switches under every key.
ENGADGET: Corsair unveils $130 Vengeance K70 gaming keyboard with backlit keys
Prime Minister Gordon Brown has resisted calls for a referendum on the treaty, arguing it is substantially different from the constitution document and Britain has "red lines" protecting sovereignty in key areas.
Anyhow, we've got the Gravity 2 here your choice of red or orange, the 20-key t349 candybar, and that's not all we've got for you QWERTY and half-QWERTY fans -- there's an unnamed clamshell here (pictured) that'll be available in two colors.
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The ROCCAT Ryos Keyboard Series comes with up to four different CHERRY MX key switches (black, brown, red, blue).
ENGADGET: ROCCAT unveils Ryos gaming keyboard ahead of CES, individually lit keys in tow
By orchestrating their high-risk missions in a way that spoke to the values of their brands, and broadcasting the news-making events in real-time to huge audiences, both America and Red Bull tapped into what I believe are the key tenets of effective storytelling.
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Mr Dein is now the chairman of Red and White Holdings and looks certain to remain a key figure in the future shape of the boardroom composition.
They were aided by the harsh dismissal of Australia's key man Tim Cahill, given a straight red card for a clumsy but hardly malevolent challenge on Bastian Schweinsteiger on 55 minutes.
On the pro side, OLPC has big-ticket partners, including Google, key Intel rival Advanced Micro Devices, Linux distributor Red Hat, and RupertMurdochRupert Murdoch's News Corp.
That's why listening to a 21st century Red Sox fan moaning about poor performance is like hearing the Key West Chamber of Commerce whining about snow.
Now our two nations are going to be going further, streamlining, eliminating and coordinating regulations, slashing red tape, and we're going to focus on several key sectors, including autos, agriculture and health care.
Boston Red Sox right fielder Jackie Jensen had achieved career highs in six key offensive categories and had even accumulated better numbers than Mantle in Games Played, At Bats and Runs Batted In.
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In March 2010, "red-shirt" protesters - many of whom supported Mr Thaksin - occupied key parts of the capital, Bangkok, demanding the government of then Prime Minister Abhisit Vejjajiva step down.
Sabathia (5-4) matched his season high with 10 strikeouts following two months of a puzzling drop in velocity, and New York got two key bats back Friday night in a 4-1 win over the Boston Red Sox that stopped a season-high, five-game losing streak.
The Gulf of Aden is a key route for ships passing from the Arabian Sea and Indian Oceans to the southern Red Sea and the Mediterranean Sea by the Suez Canal.
One key contribution would be the landing system that places the rover on the surface of the Red Planet.
It focuses on key areas where Scotland already has a global competitive advantage such as whisky, seafood and red meat.
Hamilton was on the third row not because the low downforce wing did not work but because he had made a couple of key errors on the lap, partly induced by being in the wake of Mark Webber's Red Bull.
Chile, who picked up seven red cards in qualifying, must face five-time winners Brazil on Monday without their strongest team after three key players were lost to suspension in a first half they threatened to take charge of with admirable invention before losing their heads.
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