I reluctantly went on my first cruise vacation. It was surprisingly fun, but the crowding was intense.

Tech Insider : Travel
The front of the Vision of the Seas ship.
When you go into the Windjammer buffet, it overlooks the front of the ship and gives a nice view of the ocean.

Jeffrey Greenberg/Getty Images

This Mexican entrepreneur builds houses out of bricks made from invasive seaweed. Then he gives them away.

Tech Insider : Environment

Millions of tons of sargassum wash up on beaches across North America every year. Exposure can lead to breathing problems, and it costs millions to clean it up.

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