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tomorrows hero inna braverman_00011519.jpg

Inna Braverman is harnessing the power of waves

About Tomorrow's Hero
Tomorrow's Hero is a series profiling young innovators transforming the world for a brighter future. Read more about CNN's special reports policy.

Changing the world of tomorrow, today

Angad Daryani wants to filter pollution from city air

Benjamin Tee is creating electronic skin so robots and prosthetics can feel

Leroy Mwasaru is using human waste to generate biogas

Krtin Nithiyanandam wants to test for Alzheimer's before symptoms exist

20 world-changing inventions from under 20s

Student wins $250,000 prize for potato blight solution that could save billions

Shaima Alqassab is using algae to make printing greener

Miranda Wang is closing the loop on plastic recycling

Rainier Mallol is predicting deadly disease outbreaks with artificial intelligence

Indrani Das is fighting to keep brain neurons alive

Jack Andraka wants to diagnose cancer faster

Gitanjali Rao wants to make drinking water safer

Mihir Garimella is making lifesaving drones

Ethan Novek wants to clean up fossil fuels

Amber Yang is preventing a space debris catastrophe

US students vie for $3m in science prizes

CNN Heroes
CNN Heroes highlights the everyday people changing the world. Find out more about their stories here.