The Kid Should See This

Gitanjali Rao: Finding solutions to real problems

Colorado seventh-grader Gitanjali Rao wants to find solutions to real problems, so when she learned about the water crisis in Flint, Michigan on the news, she wanted to help. From Rookie Mag:

After coming across an MIT project that uses nanotechnology to measure harmful levels of gases in the air, she realized that the material was sensitive enough to detect lead in water. She set up a device that sends rapid results to a smartphone over bluetooth…

Rao’s resourceful determination and her lead-in-water detection tool, Tethys, is featured in episode 8 of Google’s documentary series Search On.

Gitanjali Rao
Gitanjali Rao
Rao also won the annual Discovery Education 3M Young Scientist Challenge in 2017. Her video explains the project in two minutes:


Learn more about Rao’s work and clean water in this excellent episode of Brains On!, a smart science podcast for kids:

Then watch more videos about problem-solving, solutions, and inventions and inventors, including tents that turn into jackets, turning banana peels into a bioplastic, and The Ocean Cleanup technology, explained.

Plus: Using seawater and sunlight to grow sustainable food in the desert, an innovative edible spoon, this toy-inspired paperfuge, and Think Like a Tree – Problem solving with nature’s best ideas.

This award-winning video collection is reader-supported. Become a sustaining member to keep TKSST online and free for everyone, including teachers and parents who use it as a resource to spark learning and curiosity for kids.

🌈 Watch these videos next...

Think Like a Tree – Problem solving with nature’s best ideas

Rion Nakaya

A (Football) League of Their Own

Rion Nakaya

How to make a face shield in 3 easy steps

Rion Nakaya

Sixteen year old Elif Bilgin turned banana peels into a bioplastic

Rion Nakaya

Catching fog to help combat Peru’s water shortage

Rion Nakaya

The Ocean Cleanup technology and challenges explained

Rion Nakaya

How can nature be used as a tool to restore ecosystems?

Rion Nakaya

How To Save Our Coastal Seas: Marine reserves and smart fishing

Rion Nakaya

Tents that turn into jackets: Humanitarian fashion by designer Angela Luna

Rion Nakaya

Get smart curated videos delivered every week.    
Subscribe