Next time you"re out walking amid the verdant majesty of a conifer forest, take a moment to consider the small but mighty pine cone. It plays a crucial role in the trees" lifecycle but has also served as a potent symbol for a variety of human cultures. In many traditions, it"s been associated with fertility and enlightenment, appearing in art from the Mayans, Egyptians, Greeks, and Romans. That association comes from its main job—making baby trees. The ornate, woody pine cones shown here are females, and they"re designed to create and protect seeds. Male cones, which are usually smaller, produce pollen. The female cones open and close their scales to allow for pollination and eventually release their seeds onto the forest floor. But pine cones also open and close in response to changes in the weather, making them a natural barometer.
Pining for spring
Today in History
More Desktop Wallpapers:
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Gazing down on planet Earth
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Art abounds at the Palais Garnier
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With leaves this tasty, who cares about a view?
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International Tiger Day
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Lizard of mystery
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Groovy!
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Do spirits haunt the Gardens of Versailles?
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Bisti/De-Na-Zin Wilderness, New Mexico
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Mendenhall Glacier, Alaska
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Chinese New Year
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Welcome to California
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Short-beaked echidna, Adelaide Hills, Australia
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Astronomy Day and National Public Lands Day
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The birth of Bauhaus
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Rockefeller Center Christmas tree lighting
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Tibetan New Year
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The aftermath of a meteorite
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Brown pelican, San Diego, California
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Red-necked grebes during breeding season
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Black grouses lekking
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A visionary artist paints his own garden view
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Happy Cinco de Mayo!
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Earth Science Week
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Brown bears, Katmai National Park and Preserve, Alaska
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Constitution Day and Citizenship Day
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New Year s Day
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Decorating for Diwali
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Castellfollit de la Roca, Catalonia, Spain
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International Women s Day
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National Park Service Founders Day
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