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Did you realize that swimming suits used to weigh 22 pounds (about 10 kilograms)? Or that the first people to wear high heels were French royalty (even the king!) in the 1500s? Get ready to learn the amazing stories behind inventions you use every day. From the society woman who invented bras to the Swiss inventor who came up with the idea for Velcro, you'll find out how we got some of our favorite fashion inventions.
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Did you know that the world's first submarine traveled the Thames River in England way back in 1615? Or that early cars had three wheels instead of four? Get ready to learn the fascinating stories behind inventions you use every day. From the motorcycle inventor who died while riding his creation to the engineers who figured out a better way to launch humans into space, you'll find out how we got the transportation inventions that get us where we're...
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Have you ever solved a tricky puzzle? As kids, Joanna Kelley and her siblings had fun solving the math and science challenges their parents invented at the dinner table. Later, Kelly's love of science puzzles inspired her to investigate the building blocks of life. Kelley became a geneticist, a scientist who studies DNA. DNA is the set of instructions inside every living thing-a code that shapes appearance and behavior. Kelley set out to better understand...
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Have you ever scrolled through a news feed on Facebook? Ruchi Sanghvi helped design this and other Facebook features. She joined Facebook-then a small Silicon Valley startup company-after moving from India to the United States to study computer engineering. With her help, Facebook quickly became one of the largest social networking sites in the world. Sanghvi was the first female engineer at Facebook, and it wasn't easy blazing a trail for women in...
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Have you ever built a cool science project? In middle school, Aprille Ericsson won second place in a science fair. She knew she wanted to keep creating amazing science projects. As an adult, she became an engineer and works at NASA building spacecraft. Ericsson was one of the few girls in her middle school who loved math and science. Years later, she became the first woman to receive a PhD in mechanical engineering from Howard University. At NASA,...
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