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Welcome to the National Science Foundation's Multimedia Gallery
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Showing: 8,671-8,700 of 17,594

Photo of the yellow form of the female eastern tiger swallowtail butterfly at Spruce Knob, W.Va.   Image A yellow form of the female eastern tiger swallowtail butterfly, here at Spruce Knob, W.Va.
Updated August 4, 2011
Close-up image of the wing scales of a male eastern tiger swallowtail butterfly.   Image Close-up image of the wing scales of a male eastern tiger swallowtail butterfly.
Updated August 4, 2011
Photo of the Canadian tiger swallowtail butterfly.   Image Canadian tiger swallowtail butterflies are found in Canada and bordering areas of the United States.
Updated August 4, 2011
Photo of male Appalachian tiger swallowtail feeding in Rhododendron flowers at Spruce Knob, W.Va.   Image Male Appalachian tiger swallowtail feeding in Rhododendron flowers atop Spruce Knob, W.Va.
Updated August 4, 2011
Photo of the black female form of the Appalachian tiger swallowtail.   Image Black female form, Appalachian tiger swallowtail; its wing pattern is like the pipevine swallowtail.
Updated August 4, 2011
Photo of a pipevine swallowtail butterfly in the Great Smoky Mountains National Park, Tennessee.   Image Pipevine swallowtail butterfly in the Great Smoky Mountains National Park, Tennessee.
Updated August 4, 2011
A diagram of catalytic pyrolysis.   Image A diagram of catalytic pyrolysis.
Updated August 4, 2011
Image showing structure of zeolite in a catalyst.   Image Structure of zeolite in a catalyst.
Updated August 4, 2011
Vials containing sawdust, catalyst, charred catalyst and gasoline made from sawdust.   Image Vials containing sawdust, catalyst and charred catalyst.
Updated August 4, 2011
George Huber poses with a vial of green gasoline compounds.   Image George Huber poses with a vial of green gasoline compounds.
Updated August 4, 2011
Photo of drill core of shales and siltstones where brown layers are indicative of iron-rich ocean.   Image Drill core of shales and siltstones. Brown layers are tell-tale sign of an iron-rich ancient ocean.
Updated August 3, 2011
Photo of scientists collecting unweathered samples along a narrow road north of Beijing.   Image Scientists find unweathered samples of ancient oceans along a narrow road north of Beijing.
Updated August 3, 2011
Photo of researcher Noah Planavsky on a black shale exposure in China.   Image Researcher Noah Planavsky, in quest of samples, hangs tight on a black shale exposure in China.
Updated August 3, 2011
Photo of scientists who are collecting shale samples in China.   Image Scientists Chu, Li, Love, Rinhard, Planavsky and Lyons while collecting samples in China.
Updated August 3, 2011
Photo of geologists digging into a shale exposure in north China.   Image Geologists Chris Reinhard (front) and Noah Planavsky dig into a shale exposure in north China.
Updated August 3, 2011
Photo of a resort north of Beijing, China, and surrounding hills which were source of shale samples.   Image Hills surrounding a resort north of Beijing, China, were a source of shale samples for the study.
Updated August 3, 2011
Core from a Douglas fir tree showing the annual growth of the stem.   Image Core from a Douglas fir tree near Tucson; it shows annual growth of the stem.
Updated August 2, 2011
Lizards lined up showing the variation in sizes among them.   Image Variation among lizards; changes in lizards say much about biosphere health.
Updated August 2, 2011
Prairie potholes in an agricultural landscape in North Dakota.   Image Prairie potholes in an agricultural landscape in North Dakota are the subject of an NSF study.
Updated August 2, 2011
Showing: 8,671-8,700 of 17,594