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On a June morning in 1974, a Marsh Supermarket cashier in Troy, Ohio, rang up a 67-cent pack of Juicy Fruit chewing gum using something novel — the black and white stripes of a universal bar code.

The Universal Product Code is now a packaging mainstay on everything from cereal boxes and produce to electronics and airplane tickets, but it might not have worked without IBM engineer George Laurer.

For years, YouTube has faced flak from its critics over the video platform's anti-harassment policies. Now, the Google-owned company announced Wednesday it will take a tougher stance on content negatively targeting people based on their race, gender expression or sexual orientation.

Videos and comments with a threatening or intimidating message will be removed under the new guidelines. The policy will apply to everyone, "from private individuals, to YouTube creators, to public officials."

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Normal November weather in Mozambique's capital, Maputo, is pleasant and warm with a chance of epic thunderstorms. The sun will be shining in the morning, and then boom the sky opens up and a stiff wind begins to blow and it's probably best if you're inside.

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Now time for All Tech Considered.

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CORNISH: And when it comes to tech, 2019 may go down in history as the year of TikTok. In 2019, the app has spawned memes, dance contests, even minted hit songs.

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Managing Misinformation On Reddit

Dec 8, 2019

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Uighurs And Genetic Surveillance In China

Dec 7, 2019

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DNA data has been used to track and identify alleged criminals for decades, but what happens when China begins to use that technology to identify and detain people based on their ethnicity, especially ethnic minorities like Uighur Muslims, in the name of national security?

Scorpions Infest Brazilian Cities

Dec 7, 2019

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Life in Sao Paulo, Brazil, may feel a little like a science fiction film right now. Scorpions roam the realm. They're finger-sized, armed with two pincers and, of course, a poisonous stinger. And apparently, they're everywhere.

The old way to think about your dog's "human age" — the age in actual years times seven — is wrong. And researchers now have a new formula they think will calculate your dog's age more accurately.

Simply put, compared with humans, dogs age very quickly at first, but then their aging slows down, a lot.

Trey Ideker of the University of California, San Diego was part of a team of researchers that looked at aging on the molecular level.

NATO Targets Disinformation Efforts

Dec 7, 2019

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How safe is your Uber ride? That question has dogged the company for years, as it has faced complaints from passengers and drivers alleging they have been sexually assaulted in an Uber.

Now Uber is revealing the scale of those complaints for the first time.

The company received 5,981 allegations of serious sexual assault in the U.S. over two years, according to a new report covering 2017 and 2018. The claims range from unwanted touching and kissing to rape.

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