If you’ve ever checked the ingredients on a baked good, you know how ubiquitous eggs are. They bind, they lift, they emulsify, they hold moisture — they’re simply the structural engineers of cookies, cakes, and muffins everywhere. But they’re also volatile: prices spike, supply chains break, and for anyone with an egg allergy or who’s avoiding eggs for animal welfare or environmental reasons, eggs aren’t exactly a welcome ingredient to find on the ingredient deck.

Elizabeth Muller's company Deep Isolation has pioneered what she says is a safe method of storing nuclear waste deep underground—really deep. Elizabeth argues that such storage, which would still allow for the material to be recovered if desired, would keep ground dwelling earthlings like Homo sapiens and other living beings safe from our civilization’s nuclear waste for perhaps a million years, and she’s attracting venture capital from investors who’ve already pumped $14 million into her company.