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Scientists might have just discovered a pinch of ocean inside the Earth.

A rare diamond found in the mines of Botswana has provided more details about the region between the Earth’s upper and lower mantle. Also called the transition zone or the 660 km discontinuity, the region is likely to be rich in water, according to a recent study.

Finding large amounts of water underground on a planet whose 71 percent surface is water may not sound like a big revelation. Yet it is. Liquid water on the Earth’s surface may seem like a lot but it is merely a puddle when compared to the water content under the crust.

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The technology is part of a challenge launched by the Bill & Melinda Gates Foundation.

Samsung has engineered a safe and efficient toilet that turns your excrement into ashes, according to a press release published last month by the firm.

The prototype is part of the Reinvent the Toilet Challenge, an initiative launched by the Bill & Melinda Gates Foundation in 2011.


Greylock general partner Reid Hoffman interviews OpenAI CEO Sam Altman. The AI research and deployment company’s primary mission is to develop and promote AI technology that benefits humanity. Founded in 2015, the company has most recently been noted for its generative transformer model GPT — 3, which uses deep learning to produce human-like text, and its image-creation platform DALL-E.

This interview took place during Greylock’s Intelligent Future event, a day-long summit featuring experts and entrepreneurs from some of today’s leading artificial intelligence organizations.
You can read a transcript of this interview here: https://greylock.com/greymatter/sam-altman-ai-for-the-next-era/