Ideas change everything

Olha Cherchel

Olha Cherchel

Kryvyi Rih, Ukraine

Translations by Olha

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Subtitled in Ukrainian

Where do math symbols come from?

Where do math symbols come from?

John David Walters

Translated by Olha Cherchel

Reviewed by Khrystyna Romashko

Subtitled in Ukrainian

Why does your voice change as you get older?

Why does your voice change as you get older?

Shaylin Schundler

Translated by Olha Cherchel

Reviewed by Khrystyna Romashko

Subtitled in Ukrainian

How we're using drones to deliver blood and save lives

How we're using drones to deliver blood and save lives

Keller Rinaudo Cliffton

Translated by Olha Cherchel

Reviewed by Khrystyna Romashko

Subtitled in Ukrainian

Чому американці голосують по вівторках?

Чому американці голосують по вівторках?

Translated by Olha Cherchel

Reviewed by Khrystyna Romashko