Knowledge royalty-free stock footage
57,779 knowledge royalty-free stock videosSee knowledge stock images
4k00:13close up portrait of young pretty librarian woman smiling happy looking at camera in library bookshelf background knowledge learning
4k00:07Person says about marketing and management for successful sales to college students indoors closeup. Professional ideas, politics or economy. Energy gesturing in large room. Row of seats on background
4k00:18portrait of professional businessman in library smiling gentleman architect professor lecturer
4k00:23Young multi ethnical graduates in caps laughing out loud and having fun on their graduation day. Outdoors. Close up
4k00:12Panning shot of teacher assisting children in classroom reading digital tablets / Provo, Utah, United States
4k00:24close up portrait attractive young man laughing enjoying successful lifestyle achievement cheerful caucasian male in library bookshelf background college education
4k00:13Attractive young lady is reading book sitting on windowsill in the house together with adorable puppy. Large window, green plants, nice interior is visible.
4k00:11Enthusiastic teacher high-fiving students exiting doorway from classroom / Provo, Utah, United States
hd00:07Brothers and sister cheerfully embrace each other on the way to school. Day of knowledge. Back to school. Family education
4k00:12Portrait shot of the good looking Caucasian young woman standing in front of the camera and laughing.
4k00:11Back View of the Students in the Lecture Hall Listening to a Prominent Professor Giving a Lecture. Charismatic Lecturer Reads to the Bright Young People Study at the University.
4k00:08Person says about marketing to college students for successful sales to college students indoors closeup. Idea of politics or economy. Gesturing in large room. Row of seats for spectator on background
hd00:13Four Friends Are Going to School. They Have A Lot of Fun Because Today is Their First Day at School.
hd00:21Female executive leader coach presenter giving lecture presentation in modern office boardroom for corporate employees group, speaker mentor explaining training professional team at business seminar
4k00:29In English class, Asian teacher writes fill in the blanks game on green board, to play with her students
4k00:09close up portrait of mature african american businessman with beard smiling confident enjoying successful career milestone professional senior black male wearing suit in library
4k00:13portrait of lovely young librarian woman standing in library attractive student smiling close up red head
4k00:08Handsome male graduate hugging with his father, dad congratulating his son with a graduation from University. Outdoor
4k00:15Bright student collecting information from different books, cute girl in green sweater and headphones around neck gathering data for the paper, indoor shot at brown library table
4k00:10Close-up footage of a scientist using a micro pipette in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:15portrait of men speaking through a microphone in dark conference hall. Person says about marketing and management for successful sales to college students indoors closeup. Professional ideas, politics
4k00:14A beautiful young woman studying in a happy and carefree library reading the book. Concept: educational, portrait, library, and studious, relax.
4k00:10The female financial coach emotional gesturing talks from the stage with spectators at forum. Too many anonymous persons workers and students seat in large auditorium and watch workshop background
4k00:12Group of Mixed Race Students are sitting in a Row and Working on Computers. Shot on RED Cinema Camera in 4K (UHD).
4k00:19portrait of stylish young african american business woman intern laughing cheerful at camera in library bookshelf background real successful female entrepreneur
4k00:19Person says about marketing and management for successful sales indoors close up. Professional ideas for politics or economy. Energy gesturing in large room. Row of seats for listener on background
hd00:06Diverse employees and female coach mentor raise hands at corporate business training workshop get engaged involved in voting volunteer participate in team office presentation support unanimous idea
4k00:10Concepts on blackboard at school. Young people, students and pupils in classroom. Smart hispanic girl writing math formula on board during lesson. Portrait of female child smiling, looking at camera
4k00:09close up portrait of elegant middle aged woman teacher smiling happy looking at camera elderly lady wearing glasses in library experience knowledge
4k00:164k close view of pupils in classroom of African children writing English in school notebooks.
4k00:12Primary school girl with two braids using virtual reality glasses as part of information technology lesson
hd00:16Back view shot of handsome young student walking between book shelf. Happy boy student searches for his book in library. Slow motion
4k00:20Hand and book: reading a book and holding your fingers along the lines. A woman's hand holds a book and moves her fingers along the page while reading. The reader of the book holds
4k00:11Person says about marketing and management to college students studying in classroom business people seminar audience conference meeting training coach speaker group seminar business team teamwork 4 K
4k00:23portrait of mature caucasian professor with beard smiling happy at camera in library bookshelf background wearing glasses real people series
4k00:09Expert perform on the stage address to modern crowd audience sitting and listening in large hall. Female entrepreneur communicating with a listener at workshop convention for young businesspersons
4k00:08Scientist writing formulas on chalkboard. Hand with chalk wrote physics formulas on black chalkboard closeup
4k00:09close up portrait of happy mature business woman executive smiling enjoying successful corporate career in bookshelf background professional entrepreneur
4k00:14Handsome and Smart Hispanic Man Listens to a Lecture in a Classroom Full of Multi Ethnic Students. Shallow Depth of Field. Shot on RED EPIC-W 8K Helium Cinema Camera.
4k00:31African american young couple of the office co-workers sitting at the computer and discussing their work at the office. Indoor
4k00:11Old and young people showing love for music. Boy and senior man, happy kid and elderly person, grandpa teaching grandchild how to chisel wood for guitars and instruments. Traditional profession
4k00:10close up portrait beautiful young girl student smiling happy enjoying successful education lifestyle cute female teenager freckles slow motion
4k00:18Young woman in hijab sits on sofa with her daughter and teaches her how to read, book, happy family concept, close up, home comfort in the background 50 fps
4k00:12Portrait of smiling beautiful student standing in library. Bookcase bookshelves in background
hd00:20Rotating Hologram of Human Brain | Glowing Light Particles Arranged in the Formation of Human Brain Model Spinning 360 Degree | Seamless Looping Motion Animated Background | Blue Cyan
4k00:16Portrait of the happy beautiful young female graduate in a traditional clothes and cap smiling to the camera and holding her diploma on a sunny day. Multi ethnical students on the background. Outside
hd00:20Animation of typing mathematics and physics formulas in abstract digital space. Animation of seamless loop.
4k00:08Novosibirsk Russia - May 20 2017: Listeners clap on learning conference or culture show. Leisure or convention for discussion. All seats are busy in large hall for look. Studying management of company
4k00:10Excited school kids and teacher examining technology of three dimensional printing in laboratory. Static 4K shot on Red cinema camera.
4k00:13Teacher Talking with Students and Helping them in Computer Class. Shot on RED Cinema Camera in 4K (UHD).
4k00:11Close up shot of the scientist studies examining of test sample under the microscope in laboratory.
hd00:20Animation of typing formulas of chemistry in abstract digital space. Animation of seamless loop.
4k00:10close up portrait of stylish african american business woman intern looking serious pensive at camera in library bookshelf background real people series
hd00:13Young handsome man sitting on public transport reading a book - commuter, student, knowledge concept. Young man with headphones in the tram reading a book
hd00:10WARSAW, POLAND - MARCH 28, 2017: National Museum in Warsaw. A slender Young woman in a Dress Is Walking Between Exhibits and Artworks in a Museum or Art Gallery
4k00:30Close up shot of the scientist studies examining of test sample under the microscope in laboratory.
4k00:13Concept on blackboard at school. Young people, student and pupil in classroom. Intelligent and successful hispanic girl in class. Portrait of female child smiling, looking at camera, holding books
4k00:20Group of kids and teacher sitting in contemporary laboratory and studying 3d designing and modeling. Movement 4K shot on Red cinema camera.
4k00:11Mixed Race young People are Sitting in a Row and Working on Computers. Shot on RED Cinema Camera in 4K (UHD).
4k00:09Close up portrait of attractive business man looking relaxed. Calm mature entrepreneur in bookshelf background
4k00:14Close-up footage of a scientist adding liquid to test-tubes with a micro pipette in a laboratory. Shot on RED Cinema Camera in 4K (UHD).
4k00:15Concepts on blackboard at school. Young people, students and pupils in classroom. Intelligent and successful latino boy in class. Portrait of male kid smiling, looking at camera
4k00:10Front view of Caucasian female teacher teaching school kids on digital tablet in classroom at school
hd00:06Four Pupils Are Having Fun After School Lessons. They Wear School Uniform. School Building is On Background.
hd00:23Two curly schoolchildren, a boy and a girl, go to school with backpacks. Back view. Back to school, knowledge day
4k00:10Portrait of the African American happy young graduated woman posing to the camera, showing her diploma and making YES gesture in front of the University. Graduates with professor on the background
4k00:244k of teacher instructing African school students / pupils to use laptop computer in classroom.