During today’s Y Combinator Demo Day, there was a notable block among the startups presenting that didn’t give off the vibe we’re used to seeing at this kind of event in Silicon Valley: companies that are addressing real issues with big, bold solutions. We’re not talking about minor problems we all have — like getting burritos delivered quickly — but issues that could have an enormous impact on our world as a whole.
Here are the most obvious examples:
- There were twocompanies building nuclear reactors that could fundamentally change the way we provide power both at home and in developing nations.
- The Immunity Project is looking to make a vaccine that could eliminate HIV and AIDS.
- Glowing Plant and Gingko Bioworks want to change manufacturing and pharmaceuticals as we know them by creating genetically-modified plants that can produce materials and products like fuel and milk and bacteria that actively…
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