You've probably heard of the U.S. fleet of stealth bombers and their reputation as some of the most feared airplanes in the sky. As tools of destruction, they've been striking fear into our enemies for years. Have you ever wondered what it takes to be a pilot of one of these beasts? It takes a lot more than just guts.

Twitter is full of trolls and politics. Not my page, though. Come say hi and learn a thing or two.

When you look at a photo of someone in their teens or 20s today compared to someone at that age in say, the '50s, you'll probably notice something striking: The person in the older photo looks a lot older. Did people age faster back then? Or is it really just our perception of how "grown-up" young people looked decades ago? Turns out, it's both.

Vaccines are typically grown within a living animal cell, such as an egg. Like the Impossible Burger, vaccines are moving to a more plant-based approach. So how are they doing this, and what does it mean for the future of vaccines?

Spider silk is incredibly strong. So why don't we use it for more things? As you can imagine, it takes a lot of spiders to make enough silk for practical use. Scientists are on the case, working in labs to recreate this incredible material. Watch to see what it could be used for.

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