The U.S. gets hit with over 4,000 cyberattacks every day. And much of them are warded off. But the few that get through cause some serious damage. So why are attacks escalating, and what can the U.S. do to bolster its defenses?

Did you know you can download my national radio show as a podcast with just a single click? It's so simple.

Every year, tons of space debris barrels toward Earth. While the great majority of this burns up in the atmosphere, some debris will make it to the surface and even cause damage. Now, scientists have found a way to track meteorites and find out where they come from. They might even be able to predict their arrival.

What is something that the military, bats and doctors all have in common? They all use sounds to see. Specifically, they use the echo from sound bouncing off objects to visualize their surroundings. So how does this technology work and what other applications may it have?

Solar power is something we will see more and more of in the coming decades. But the technology seems to have needed a boost for a while. Well, that boost may finally be here. Scientists have discovered a crystal that allows us to print solar panels onto any surface, and it could revolutionize the solar power world.

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