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Editor's note
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Wall Street financiers are very interested in blockchain technology, a method of making and recording transactions that’s transparent, fast, secure and cheap. But a financial system with those attributes is also badly needed to help boost economic activity in the developing world. Management professor Nir Kshetri explains four ways some of the world’s poorest people are using blockchain systems to exchange cash, prevent fraud and corruption in aid programs, expand microbusinesses, and even get health and life insurance.
And as Attorney General Jeff Sessions oversees plans to ramp up prosecutions of unauthorized border crossings, Kelly Hernandez of UCLA tells the story of how Congress made it a crime to cross the border decades ago. “Congress,” she writes, “first invented the crimes of unlawful entry and reentry with the purpose of criminalizing and imprisoning Mexican immigrants and it has delivered on that intent since 1929.”
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Jeff Inglis
Editor, Science + Technology
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Top story
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No need for a bank: Just a smartphone and a blockchain.
Houman Haddad/UN World Food Program
Nir Kshetri, University of North Carolina – Greensboro
Already becoming a darling of Wall Street, blockchain technology's biggest real benefits could come to the world's poorest people. Here's how.
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Education
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Philip Misevich, St. John's University; Daniel Domingues, University of Missouri-Columbia; David Eltis, Emory University; Nafees M. Khan, Clemson University ; Nicholas Radburn, University of Southern California – Dornsife College of Letters, Arts and Sciences
An online database explores the nearly 36,000 slave voyages that occurred between 1514 and 1866.
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Trending On Site
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David Hu, Georgia Institute of Technology; Patricia Yang, Georgia Institute of Technology
New parenthood got our fluid dynamics experts thinking about what ends up in the diaper. They headed to the zoo and the lab to come up with a cohesive physics story for how defecation works.
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Heather Akin, University of Pennsylvania; Bruce W. Hardy, Temple University; Dietram A. Scheufele, University of Wisconsin-Madison; Dominique Brossard, University of Wisconsin-Madison
Popular programming that focuses on science tends to not actually be all that popular. Bringing in new audiences who aren't already up to speed on science topics is a challenge.
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Caleb Everett, University of Miami
From the Amazon to Nicaragua, there are humans who never learn numbers. What can these anumeric cultures teach us about ourselves?
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