Unless you grew up under a rock, you have heard of Silly Putty. It's the oh-so-bendable and stretchable goo that every kid loves to play with. But this classic toy's history probably isn't what you think.

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AI can write essays, diagnose illnesses and even develop software. But there's one thing AI can't seem to get right: Human hands. Ask an AI art program to create a photo of hands, and the results are usually pretty darn weird. Why is this?

Spotify is one of the world's largest music streaming services with almost a quarter billion active users. And if you have ever used Spotify, you know it is impressive how well the app can get to know your music preferences. How does this software work? Through extremely complex math, of course.

Humans have long looked up in space and thought about how we could live among the stars one day. Right now, life on Mars would require a ton of equipment and shelter to protect us from the harsh environment. But what if we could make Mars more like Earth? How would we even do that? The answer is lasers!

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