Curated Video
Citrus Fruit Battery
We use lemons and strips of zinc and copper to make a battery. First, strips of copper and zinc are added to one lemon and they are connected across a voltmeter. This is repeated, this time with more lemons and metal plates, until a...
Curated Video
Metal Extraction
We extract copper metal from copper chloride solution using electrolysis. The electric current causes copper to form at one electrode and chlorine gas to form at the other. The presence of chlorine is tested using blue litmus paper....
Curated Video
Ion Migration
We separate the ions in copper dichromate gel using electrolysis. We see the positive blue copper ions move to the negative electrode and the negative yellow chromate ions move to the positive electrode. Chemistry - Reactions - Learning...
Curated Video
Silver Tree
We demonstrate a displacement reaction using silver nitrate and copper. A tree-shaped piece of copper is submerged in silver nitrate solution. The silver ions displace the copper and the tree slowly becomes coated with silver metal. At...
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Florida Company Works To Enroll People In Affordable Health Care Act Plans As Deadline Looms
CU a family purchases insurance under the Affordable Care Act at a store setup in the Mall of Americas on March 20, 2014 in Miami, Florida. The owner of Sunshine Life and Health Advisors, Odalys Arevalo, said she has seen a surge in...
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Florida Company Works To Enroll People In Affordable Health Care Act Plans As Deadline Looms
CU a woman purchases insurance under the Affordable Care Act at a store setup in the Mall of Americas on March 20, 2014 in Miami, Florida. The owner of Sunshine Life and Health Advisors, Odalys Arevalo, said she has seen a surge in...
Getty Images
Florida Company Works To Enroll People In Affordable Health Care Act Plans As Deadline Looms
CU a woman purchases insurance under the Affordable Care Act at a store setup in the Mall of Americas on March 20, 2014 in Miami, Florida. The owner of Sunshine Life and Health Advisors, Odalys Arevalo, said she has seen a surge in...
Getty Images
Florida Company Works To Enroll People In Affordable Health Care Act Plans As Deadline Looms
CU families purchase insurance under the Affordable Care Act at a store setup in the Mall of Americas on March 20, 2014 in Miami, Florida. The owner of Sunshine Life and Health Advisors, Odalys Arevalo, said she has seen a surge in...
Getty Images
Florida Company Works To Enroll People In Affordable Health Care Act Plans As Deadline Looms
CU a man purchases insurance under the Affordable Care Act at a store setup in the Mall of Americas on March 20, 2014 in Miami, Florida. The owner of Sunshine Life and Health Advisors, Odalys Arevalo, said she has seen a surge in people,...
Getty Images
Florida Company Works To Enroll People In Affordable Health Care Act Plans As Deadline Looms
CU a family purchases insurance under the Affordable Care Act at a store setup in the Mall of Americas on March 20, 2014 in Miami, Florida. The owner of Sunshine Life and Health Advisors, Odalys Arevalo, said she has seen a surge in...
Getty Images
European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and invertebrates.
European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and...
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European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and invertebrates.
European Cranes (Grus grus), North East Extremadura in Dehesa. The cranes migrate south in winter from Scandinavia and Northern Europe to Spain and roost in large numbers mainly on lake shores. They feed in the dehesas on acorns and...
Getty Images
T/L Gorse (Ulex sp.) seed germination being eaten by slug, CU, United Kingdom
T/L Gorse (Ulex sp.) seed germination being eaten by slug, CU, United Kingdom
Bridgeman Arts
Scientists working with microscopes and close-ups of organisms. France, 1940s
Clip 3 from the 1940s French film 'Au Dela Du Visible', exploring scientific work undertaken at the Palais de la Decouverte (Discovery Palace) in Paris, and experiments relating to the theme of outer space. (1943-1944). Scientists...
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Red Deer (Cervus elaphus) stag roaring during the rut, Autumn, Sierra Morena, Andalusia, Southern Spain
Red Deer (Cervus elaphus) stag roaring during the rut, Autumn, Sierra Morena, Andalusia, Southern Spain
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2007 Changfeng Rhombus concept car montage
Shot 1: WS front end of Changfeng Rhombus / Shot 2: MS poster of Chinese women; PAN LEFT to WS of rear three-quarter passenger side view / Shot 3: WS rear end of car / Shot 4: CU front seat interior (dashboard controls are color photos...
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Seeing eye guide dogs being trained
/ blind man with a student guide dog is accompanied by two trainers onto the streets of Denmark / dog guides man past passersby and a fallen bicycle / CU dog's face / another dog guides a blind woman past a fallen piece of wood with her...
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City streets around Berlin Wall
/ view looking from Berlin Wall onto busy city streets below / tram car traveling down the road / CU street signs along the wall / bricked up buildings along the border. City streets around Berlin Wall on August 31, 1962 in Berlin,...
Bridgeman Arts
Hindu Community in Saddar, Karachi
A family of Hindu community members in central Karachi
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2012 Hyundai Veloster montage
WS wall-sized Veloster sign / WS front quarter passenger side view of Electrolyte Green Veloster / WS passenger side profile; assymetrical two doors are visible / WS passenger side profile of Veloster with Polaroid photo graphics on the...
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T/L Cocoa (Theobroma cacao) germination, close up side view against black background
T/L Cocoa (Theobroma cacao) germination, close up side view against black background
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Cypris, freshwater ostracod, resting on algae
Cypris, freshwater ostracod, resting on algae
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Montage 1 of 2: 1966 Pure Oil Performance Trials
MS Pure Oil flag flying / MS ice chest filled with jugs of gasoline; hand reaches in, grabs one jug / CU hand grabs glass jug of gas / CU glass jug of gas on asphalt; man screws spout onto jug / CU jug of gas near AMC Rambler American...
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CU anthers and falling pollen against black
CU anthers and falling pollen against black