a scientist holds two light bulbs from the Medford Mail Tribune, May 15, 1910 science scientist light Lightbulb Scientist
A ball-and-stick, simplified model of benzene (without the hydrogens). Drawn in Inkscape. chemical benzene organic Benzene ring
Guanosine 5'-triphosphate, one of the nucleotides (basic units) that make up RNA (ribonucleic acid). Done in Inkscape. Oxygen is red, nitrogen is green, phosphorus is silver, the rest is carbon. No hydrogens. chemical science chemistry Gtp
Uridine 5'-triphosphate, one of the nucleotides (basic units) that make up RNA (ribonucleic acid). Done in Inkscape. Oxygen is red, nitrogen is green, phosphorus is silver, the rest is carbon. No hydrogens. chemical science chemistry Utp
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-21-asian-girl
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-21-asian-girl-falling
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-23-kid-stand
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-34-brain-model
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-54-baby-crawling
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-54-baby-crawling-more
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-66-baby-mom
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-74-kid-jumprope
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-77-kids-in-car
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-106-kid-bending-over
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-109-experiment-setup
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-111-experiment-3d-2
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-137-howto-count-heartbeat
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-147-day-n-night
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-153-hand-and-ruler
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-157-lungs
Sodium (blue) and chloride (green) arranged as in common table salt (NaCl), 2D version. Drawn in Inkscape. salt sodium chloride nacl Salt (NaCl)
Goethe's Farbenkreis zur Symbolisierung des menschlichen Geistes- und Seelenlebens vector version with old colors (close to the original: http://commons.wikimedia.org/wiki/File:Goethe,_Farbenkreis_zur_Symbolisierung_des_menschlichen_Geistes-_und_Seelenlebens,_1809.jpg ). color colour wheel Goethe's Color Wheel (old)
A ball-and-stick model structure of polar amino acid glutamine (Gln, Q). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Glutamine (amino acid)
The structure (abbreviated) of the disaccharide sucrose, a.k.a. common sugar (the one used in the kitchen). It is the polymer of an alpha-glucose and a fructose units. Drawn in Inkscape. sucrose sugar disaccharide Sucrose (sugar)
The simplified "cloverleaf" tRNA structure (from genome sequence of the bacterium Gardnerella vaginalis, as predicted by tRNAscan) for the glycine amino acid (GCC anticodon). Different parts of the structure highlighted and tagged. Drawn in Inkscape. rna transfer trna Transfer RNA 2
Technology themed background vector. This technology background vector has a great blue color scheme for the perfect techno wallpaper! Also this technology background vector can be used both personally and commercially! abstract background tech Background Vector Technology
A drawing of the concept of the solar system from Jay Lake's Mainspring. earth scifi science fiction Mainspring
Relationship b/w Power, Resistance, Current and Potential difference power voltage current Power, Voltage, Current, Resistance Relationship
chemical outline chemistry lab lineart pipette laboratory Pipette clip art pipette science chemistry Pipette clip art
black bottom science diagram white round flask lineart tube trace classroom experiment with bottemed bung Round Bot Flask clip art round flask bung Round Bot Flask clip art
science nurse medicine siringa needle syringe medical drug hospital prescription Syringe clip art syringe Science Nurse Medicine Siringa Needle Syringe Medical Drug Hospital Prescription
black science white illustration fiction Science Fiction Illustration clip art science fiction illustration Science Fiction Illustration clip art
outline chemistry lab lineart pipette laboratory Pipette clip art pipette science chemistry Pipette clip art
Brochure or poster with signs of Coronavirus. Female patient with symptoms of COVID 19. Look for the other coronavirus resources. This image is related to: coronavirus, flyer, poster, patient, coughing, sore throat, fever, headache, shortness of breath, symptoms, virus, illness, covid 19 coronavirus flyer poster COVID 19 Female Character with Symptoms
The general structure of amino acids, protein's building blocks, with the constituting groups highlighted: in green, the amino group; in yellow, the carboxyl group; in blue, the alpha carbon; and in red, the R group (a.k.a. side chain), which is the only thing that differentiates one amino acid from another. Drawn in Inkscape. amino acid amino acid Amino acid (highlight)
The chemical structure of Nafion membrane, commonly used in fuel cells. science engineering membrane Nafion Protonic Membrane- Chemical Structure
Ball-and-stick model of graphene, drawn in Inkscape. I had to reduce the amount of repetitions on the structure (note that graphene can have an infinite amount of repetitions of the benzene ring motif), due to a bug in OCAL's previous website that was breaking the SVG submission process when the number of "rows" got higher than six. chemical graphene organic Graphene
From A TOM CORBETT Space Cadet Adventure DANGER IN DEEP SPACE By CAREY ROCKWELL, 1953, Illustrations by Louis Glanzman. Project Gutenberg Transcriber's note: Extensive research did not uncover any evidence that the copyright on this publication was renewed. request completed science fiction media Danger In Deep Space 19
From A TOM CORBETT Space Cadet Adventure DANGER IN DEEP SPACE By CAREY ROCKWELL, 1953, Illustrations by Louis Glanzman. Project Gutenberg Transcriber's note: Extensive research did not uncover any evidence that the copyright on this publication was renewed. request completed science fiction man Danger in Deep Space 20
An anatomical diagram consisting of a vertical cross-section of the human head, and showing the relations of the nasal and buccal cavities and the pharynx and larynx, circa 1930. (Photo by Hulton Archive/Getty Images) White Background 1930-1939 Human Mouth Vertical Section