Click Here / A roundup of recommended Web sites

* Method to the Madness: The United Nations estimates that the Earth’s population hit 6 billion on Tuesday. Why does that matter? Decode the science behind the news at https://whyfiles.news.wisc.edu.

* What’s Your Beef? Feeling hot around the collar about your malfunctioning refrigerator? Have an ugly experience with beauty supplies? In the dark over that lamp you just bought? Need a place to vent? Share your pain with other consumers at Comments.com (https://www.problems.com).

* Book Mark Exchange your thoughts on the latest bestseller with other bookworms, or take your virtual pen in hand and rewrite the end of a classic at https://www.thereadersvine.com.

* Cross-Eyed: Going blank on a six-letter word for “Help me?” Go to One Across for assistance on those challenging crosswords and other puzzles. Enter a clue phrase and the word length--the site searches and serves up the most probable solutions (https://209.35.184.128).

* Feeding Frenzy: See what’s on the menu at more than 100,000 restaurants in 47 countries at: https://www.restaurantrow.com.

* Cultural Link: Celebrate the last two days of Hispanic Heritage Month clicking with influential Latinos of the past, present and future. While you’re there, you might even make a carino connection at: https://www.latinolink.com.

* Chilly Reception: OK, so dreaming of a white Christmas may be a bit premature--and maybe futile in Southern California. But there may be snow in your future. Check out https://www.onthesnow.com.

*

Want to suggest a Web site? E-mail click.here@latimes.com.