Discover how ancient Roman concrete has lasted nearly 2,000 years — and what it can teach us about building stronger, more sustainable structures today. From the Pantheon to self-healing concrete, this episode of 360 on History explores timeless lessons for modern construction.

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Her name is Martha Jane Coston, and she gave the world a way to communicate at sea – with bright, colourful flares that could be seen for miles. She wasn’t a trained scientist or engineer. She was a young widow and mother, facing personal tragedy and financial hardship. But through determination, creativity, and sheer grit, she changed maritime safety forever.

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We all know of the pioneers of computer science like Alan Turing and Bill Gates. What most people are not familiar with is Mary Kenneth Keller - a Catholic nun and one of the field's true trailblazers. In the US, she was one of the first people to earn a Ph.D in computer science and then went on to make computing accessible.

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