Images Vidéos

Discours Photos ❘ Science Photo Library

Philosopher delivering speech to sleeping audience, illustration
13951940 - Philosopher delivering speech to sleeping audience, illustration
Philippe Victoire de Vilmorin, illustration
13839128 - Philippe Victoire de Vilmorin, illustration
Mark Twain, US author, 19th century illustration
13672369 - Mark Twain, US author, 19th century illustration
Rally against gun violence, Detroit, USA
13951771 - Rally against gun violence, Detroit, USA
Julian Huxley, evolutionary biologist
13954325 - Julian Huxley, evolutionary biologist
Memory loss, conceptual illustration
13245521 - Memory loss, conceptual illustration
Freedom of speech, conceptual image
12968472 - Freedom of speech, conceptual image
Greta Thunberg at climate change protest, Madrid, Spain, 201
12967614 - Greta Thunberg at climate change protest, Madrid, Spain, 201
Areas of the brain, conceptual illustration
13245517 - Areas of the brain, conceptual illustration
The Euphonia Speaking Machine, 1846
13502180 - The Euphonia Speaking Machine, 1846
Areas of the brain, conceptual illustration
13245513 - Areas of the brain, conceptual illustration
Michael Bloomberg, US politician, at COP25, Madrid, 2019
12967621 - Michael Bloomberg, US politician, at COP25, Madrid, 2019
The Euphonia Speaking Machine, 1846
13502182 - The Euphonia Speaking Machine, 1846
Mark Carney, economist and banker, at COP25, Madrid, 2019
12967620 - Mark Carney, economist and banker, at COP25, Madrid, 2019
Vaccine debate, conceptual illustration
13954415 - Vaccine debate, conceptual illustration
Areas of the brain, conceptual illustration
13245516 - Areas of the brain, conceptual illustration
John Kerry, American politician, at COP25, Madrid, 2019
12967619 - John Kerry, American politician, at COP25, Madrid, 2019
Healthcare, illustration
12399528 - Healthcare, illustration
Brain activity during a visual language task, fMRI scan
13258389 - Brain activity during a visual language task, fMRI scan
Areas of the brain, conceptual illustration
13245519 - Areas of the brain, conceptual illustration
Megaphone, X-ray
13226826 - Megaphone, X-ray
The Euphonia Speaking Machine, 1846
13502181 - The Euphonia Speaking Machine, 1846
Closed vocal cords, illustration
13443497 - Closed vocal cords, illustration
Brain activity during a visual language task, fMRI scan
13406677 - Brain activity during a visual language task, fMRI scan
Brain activity during a visual language task, fMRI scan
13258387 - Brain activity during a visual language task, fMRI scan
Satan Arousing the Rebel Angels', 1808
12901204 - Satan Arousing the Rebel Angels', 1808
Open vocal cords, illustration
13443498 - Open vocal cords, illustration
Brain activity in speech production, MRI
12918539 - Brain activity in speech production, MRI
Charles Dickens addressing a meeting, London, 1856
12915978 - Charles Dickens addressing a meeting, London, 1856
Opening of the International Exhibition, 1862
12914676 - Opening of the International Exhibition, 1862
Female upper respiratory tract, illustration
13959018 - Female upper respiratory tract, illustration
Brain activity during a visual language task, fMRI scan
13406678 - Brain activity during a visual language task, fMRI scan
Areas of the brain, conceptual illustration
13245520 - Areas of the brain, conceptual illustration
Homeric bard storytelling
13475753 - Homeric bard storytelling
Brain activity during auditory task, fMRI scan
13258386 - Brain activity during auditory task, fMRI scan
Brain activity during auditory task, fMRI scan
13258385 - Brain activity during auditory task, fMRI scan
Kanner's syndrome, conceptual illustration
13958294 - Kanner's syndrome, conceptual illustration
Thought, conceptual illustration
12947403 - Thought, conceptual illustration
Early BBC broadcasting studio
12655707 - Early BBC broadcasting studio
Aggressive speech, conceptual illustration
13635297 - Aggressive speech, conceptual illustration
Writer, illustration
13586661 - Writer, illustration
Male head and neck muscles, illustration
13959202 - Male head and neck muscles, illustration
Censorship, conceptual illustration
13956112 - Censorship, conceptual illustration
Man using dictaphone
13526629 - Man using dictaphone
Give Me Liberty, or Give Me Death! 1775
13501894 - Give Me Liberty, or Give Me Death! 1775
Internet troll, illustration
13244398 - Internet troll, illustration
Mobile phone, X-ray
13226949 - Mobile phone, X-ray
Isabel Seymour addressing a crowd, 1908
12904532 - Isabel Seymour addressing a crowd, 1908
Sticky notes, illustration
14081144 - Sticky notes, illustration
Male face and neck anatomy, illustration
13959200 - Male face and neck anatomy, illustration
Brain activity in speech production, MRI
12918538 - Brain activity in speech production, MRI
Childhood disintegrative disorder, conceptual illustration
13958292 - Childhood disintegrative disorder, conceptual illustration
Speaker giving a speech to a field of sheep, illustration
13635454 - Speaker giving a speech to a field of sheep, illustration
Censorship, illustration
13635300 - Censorship, illustration
Thought, conceptual illustration
12947402 - Thought, conceptual illustration
Female face with jumbled letters, conceptual image
12659335 - Female face with jumbled letters, conceptual image
Ceasefire negotiations, conceptual illustration
13635457 - Ceasefire negotiations, conceptual illustration
Telephone earpiece and mouthpiece, diagram
13378085 - Telephone earpiece and mouthpiece, diagram
Mouths laughing, illustration
12941833 - Mouths laughing, illustration
Thoughts, illustration
13586613 - Thoughts, illustration
Brain activity during a visual language task, fMRI scan
13258388 - Brain activity during a visual language task, fMRI scan
Areas of the brain, conceptual illustration
13245514 - Areas of the brain, conceptual illustration
Human head with letters of the alphabet, illustration
12659309 - Human head with letters of the alphabet, illustration
Al Gore at UN Climate Change Conference, 2019
12967608 - Al Gore at UN Climate Change Conference, 2019
Areas of the brain, conceptual illustration
13245518 - Areas of the brain, conceptual illustration
A meeting at Caxton Hall, 1908
12904533 - A meeting at Caxton Hall, 1908
King George V broadcasting to the empire on Christmas Day
12897697 - King George V broadcasting to the empire on Christmas Day
Censorship, conceptual illustration
13956115 - Censorship, conceptual illustration
Censorship, conceptual illustration
13956114 - Censorship, conceptual illustration
Areas of the brain, conceptual illustration
13245515 - Areas of the brain, conceptual illustration
Censorship, conceptual illustration
13956111 - Censorship, conceptual illustration
Brain activity in speech production, MRI
12918541 - Brain activity in speech production, MRI
Reproducing Speech', 1878
12901756 - Reproducing Speech', 1878
Sticky notes, illustration
13586381 - Sticky notes, illustration
Speaker at computer science conference
13417684 - Speaker at computer science conference
Speaker at product launch
13417667 - Speaker at product launch
Speaker at product launch
13417587 - Speaker at product launch
View of audience on digital camera viewfinder
13346125 - View of audience on digital camera viewfinder
Portrait smiling, confident male speaker
13346031 - Portrait smiling, confident male speaker
Senior man toasting with friends
13343262 - Senior man toasting with friends
Smiling high school students listening in debate class
13341024 - Smiling high school students listening in debate class
High school students clapping in debate class
13341011 - High school students clapping in debate class
Head standing above the crowd, illustration
12946688 - Head standing above the crowd, illustration
Speaker on podium holding large key, illustration
12943143 - Speaker on podium holding large key, illustration
Creativity, illustration
12401690 - Creativity, illustration
News media icons, illustration
12400585 - News media icons, illustration
Website icons, illustration
12399434 - Website icons, illustration
Grass speech bubble, illustration
12398924 - Grass speech bubble, illustration
Website icons, illustration
12398768 - Website icons, illustration
Speaker at product launch
13417572 - Speaker at product launch
Speaker at product launch
13417570 - Speaker at product launch
Female speaker doing a wheelie in wheelchair on stage
13346118 - Female speaker doing a wheelie in wheelchair on stage
Speaker on stage answering audience questions
13346041 - Speaker on stage answering audience questions
Smiling, excited audience cheering
13346039 - Smiling, excited audience cheering
Female speaker on stage talking to audience
13346035 - Female speaker on stage talking to audience
Confident boy student giving presentation in classroom
13341012 - Confident boy student giving presentation in classroom
Students clapping for classmate in debate class
13340984 - Students clapping for classmate in debate class
Media icons, illustration
12401194 - Media icons, illustration
Election and voting icons, illustration
12399568 - Election and voting icons, illustration
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