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UK Department for International Development

Scientists have developed a way to pull water out of air in arid settings, powered by nothing more than sunlight. This is a big deal for fighting water scarcity, a problem faced by more than half the world, and it matters even more because it can work in impoverished low-humidity environments.

How it works: During the day, sunlight hits porous materials in the device, creating just enough energy to convert water molecules into vapor. The prototype isn't yet ready to be scaled for broad use, but the teams that developed it at MIT and the University of California-Berkeley believe that it shouldn't take long to test it in arid countries around the world.

Sound smart: The device is built on synthetic, porous materials (called metal-organic frameworks) made of molecules held together with metal atoms.

Go deeper

Updated 7 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Health: The good and bad news about antibody therapies — Fauci: Hotspots have materialized across "the entire country."
  2. World: Belgium imposes lockdown, citing "health emergency" due to influx of cases.
  3. Economy: Conference Board predicts economy won’t fully recover until late 2021.
  4. Education: Surge threatens to shut classrooms down again.
  5. Technology: The pandemic isn't slowing tech.
  6. Travel: CDC replaces COVID-19 cruise ban with less restrictive "conditional sailing order."
  7. Sports: High school football's pandemic struggles.
  8. 🎧Podcast: The vaccine race turns toward nationalism.
Dan Primack, author of Pro Rata
Updated 7 hours ago - Economy & Business

Dunkin' Brands agrees to $11B Inspire Brands sale

Photo: Alexi Rosenfeld/Getty Images

Dunkin' Brands, operator of both Dunkin' Donuts and Baskin-Robbins, agreed on Friday to be taken private for nearly $11.3 billion, including debt, by Inspire Brands, a restaurant platform sponsored by private equity firm Roark Capital.

Why it matters: Buying Dunkin’ will more than double Inspire’s footprint, making it one of the biggest restaurant deals in the past 10 years. This could ultimately set up an IPO for Inspire, which already owns Arby's, Jimmy John's and Buffalo Wild Wings.

Ina Fried, author of Login
9 hours ago - Technology

Federal judge halts Trump administration limit on TikTok

Illustration: Aïda Amer/Axios

A federal judge on Friday issued an injunction preventing the Trump administration from imposing limits on the distribution of TikTok, Bloomberg reports. The injunction request came as part of a suit brought by creators who make a living on the video service.

Why it matters: The administration has been seeking to force a sale of, or block, the Chinese-owned service. It also moved to ban the service from operating in the U.S. as of Nov. 12, a move which was put on hold by Friday's injunction.