Do you love collecting antiques?  Could you use a little expert help determining what some of your favorite antiques are worth?  Kovels.com is your online source for information about collecting antiques and collectables, including a price guide of more then 800,000 items.  According to Kovels:

Kovels.com is a valuable source of information about collecting antiques and collectibles, and it’s created, supervised, and written by experts…  Many people use the price guide on Kovels.com to help them determine the prices of antiques and collectibles.

In addition to the price guide Kovels also features: a fully illustrated marks identification guide (including silver, pottery, and porcelain), an antiques directory (including appraisers, clubs, publications, matching services, auction houses, services, and supplies), discussion forums, an events calendar, weakly email updates, antiques news, and much more.

http://www.kovels.com/

Are you considering starting a family, or are you a new parent or an expecting parent?  Could you use a little advice, some information, and a support network of other parents?  BabyCenter.com is an online community and information center for new and expecting parents, including tools, information, advice, and more.  According to BabyCenter:

BabyCenter is the world’s partner in parenting, providing moms everywhere with trusted advice from hundreds of experts around the globe, medical advisory board-approved information, friendship with other moms, and support at every stage of their child’s development.  We understand that every family is different, and we give parents the information they need to make decisions that are right for them and their family.  Our goal is to help them gain confidence, enjoy parenting more, and let go of some of the guilt and worry that comes with being a parent.

Main categories (there are many more subcategories) include: Getting Pregnant, Pregnancy, Baby, Toddler, Preschooler, Big Kid, For You, Community, Blog, and Shop.  BabyCenter also has calenders, a baby name finder, several mobile apps, videos, a symptom guide, and much more.

http://www.babycenter.com/

Are you concerned about the quality of the air and water where you live?  Are you curious as to how polluted your city is compared to other cities?  10Green.org is a website where you can look up an environmental health score based on ten measures for where you live or any other city.  According to 10Green:

10Green is an interactive tool that provides a comprehensive assessment of the health of your environment.  10Green leverages decades of ice core research that has allowed us to understand how the chemistry of Earth’s atmosphere has changed as a consequence of human activities…  The 10 air quality measures represent some of the most significant threats to human health.  10Green uses the strictest health standards from those reported by the U.S. Environmental Protection Agency, European Commission, California Environmental Protection Agency, Health Canada, and the World Health Organization to assign a health score.

The 10Green score includes ten measures: Carbon Monoxide, Large Particulates, Small Particulates, Ozone, Nitrogen Dioxide, Sulfur Dioxide, Heavy Metals, Carbon Dioxide, Other Greenhouse Gases, and Other Pollutants.

http://www.10green.org/

Does it seem like everything you buy is over-packaged creating a lot of garbage?  Would you like to reduce the amount of garbage you produce and handle the remaining waste more responsibly, but aren’t sure where to start?  NatureBridge.org/Garbology is a website with a fun interactive game and more, that can help you learn all about garbage, how to handle it, and how to reduce it.  According to MyGarbology:

Garbology is the study of what we do with our waste.  All the things we throw away each day—where do they end up?  Many of us know that we can reuse, recycle, and compost to help keep waste out of landfills, but how do you know what goes where?  Why is it important to reduce the waste we put in landfills?  All of this and more is Garbology…  At MyGarbology, you’ll find an interactive online game that teaches about Garbology and answers the question, “Where should my waste go?”

In addition to the interactive game, MyGarbology also has lessons and activities to help you learn more about garbology, such as how to pack a waste-less lunch, composting, and more.  There is also a Trash Talk blog.

http://www.naturebridge.org/garbology

Are you in the market for a new or used car?  Do you find looking up all the different automotive ratings to be tiring and a little confusing, especially when they don’t all agree?  TotalCarScore.com is a website that aggregates car ratings found across the web and gives you single combined score for the cars you’re interested in.  According to Total Car Score:

Total Car Score is the only site that combines all the vehicle rating systems from across the automotive industry into a single score to quickly give shoppers a “cross-industry assessment” of a vehicle in one location.  Total Car Score also allows users to “turn off” the scores from different authoritative sources thus a user can exclude the assessment of one or more expert sources if they choose to.

New and used cars can be browsed by make, price range, or score range.  Total Car Score also features: vehicle tests, automotive news, articles, blogs, discussion forums, car buying advice, photo galleries, links to manufactures, and more.

http://www.totalcarscore.com/

Do you find it easier to wrap your mind around a bunch of numbers or facts if there are visual aids to look at?  Do you love infographics?  DailyInfographic.com is a blog that scours the web for infographics and posts one of the best ones every single day.  According to Daily Infographic:

Every day we feature the best information design and data visualization from the internet.  If you share our love for data-filled illustrations, you’ve come to the right place.  We spend countless hours searching the web for the most interesting, visually stimulating, mind blowing infographics.  We curate our findings and choose one infographic to publish every week-day.

Categories include: Animals, Business, Crime, eCommerce, Education, Entertainment, Environmental, Food, Funny, Gaming, Government, Health, Holiday, Internet, Lifestyle, Marketing, Mind-Blowing, Movies, Music, Politics, Recreation, Retail, Social Media, Sports, Tech, and Travel.

http://dailyinfographic.com/

Would you like to help support your own community by eating more local food?  Do you wish you could cut out the middle man by buying food straight from local farms, but aren’t sure how to find them?  LocalHarvest.org is a website that helps you find sustainably grown food near you with a massive online directory of small family farms, farmer’s markets, CSAs (Community Supported Agriculture), and more.  According to Local Harvest:

LocalHarvest is America’s #1 organic and local food website.  We maintain a definitive and reliable “living” public nationwide directory of small farms, farmers markets, and other local food sources.  Our search engine helps people find products from family farms, local sources of sustainably grown food, and encourages them to establish direct contact with small farms in their local area.

You can search by location for: Farms, CSA, Farmers’ Markets, Restaurants, Grocery/Co-op, Wholesale, Meat Processors, and Others.  Local Harvest also features discussion forums, an events calendar, an email newsletter, a blog, a directory of other great blogs, photo galleries, and more.

http://www.localharvest.org/

Do you have a hard time keeping up with all news topics that interest you, and staying on top of multiple news websites?  Do you wish you could browse news of the world around you more like the way you browse your friend’s news on Facebook?  Wavii.com is a personalized news website that gives you status updates that you can comment on and share, on interesting topics of your choice, displayed in a Facebook like news feed.  According to Wavii:

Keep up with everything you care about in a personalized news feed.  Wavii automatically creates status updates for your favorite politicians, celebrities, gadgets, and more.  These updates highlight what’s happening, like a political victory, dramatic breakup, startup acquisition, or new app release, so you’re in the know and can discuss with friends.  The more you follow, the more active and personalized your news feed becomes.  The same way you follow your friends on Facebook, you follow everything else on Wavii.

Wavii also has an app for iPhone and a blog.

https://wavii.com/

Do you have some used items that you’d like to sell online, but don’t what they’re worth or what price to ask for them?  When you buy things on eBay, Craigslist, and other online classifieds, do you wounder if you’re paying a fair price?  Priceonomics.com is a search-able online pricing guide, covering just about anything you might find in an online classified ad website.  According to Priceonomics:

Priceonomics is the price guide for everything…  Price guides are helpful for buying and selling used things.  How much should I spend on this used bicycle on Craigslist?  What’s a good price to list my stereo system for on eBay?  Is this used Vespa a good deal, or what?  We hate getting ripped off or over-paying for stuff so we built Priceonomics.  We search and analyze hundreds of millions of listings on the web to build our price guides.  We hope you can use these reports to get the most value for the best price.  Today, we provide price estimates for used bicycles, televisions, speakers, monitors, turntables, computers, cell phones and much more.  Some day soon, we’ll cover just about anything you might want to buy or sell.  We’re just getting started.

Priceonomics also has a blog.

http://priceonomics.com/

Do have questions you need answered by an expert but aren’t sure where to turn?  Or perhaps you’re an expert on a specific topic and would like to help others out by answering their questions?  Stack Exchange.com is an online network of 85 (and counting) question and answer websites, where you can ask and answer questions on just about every topic imaginable.  According to Stack Exchange:

Stack Exchange is a fast-growing network of over 80 question and answer sites on diverse topics from software programming to cooking to photography and gaming.  We are an expert knowledge exchange: a place where physics researchers can ask each other about quantum entanglement, computer programmers can ask about JavaScript date formats, and photographers can share knowledge about taking great pictures in the snow…  You wouldn’t shout out a calculus question in a football stadium, right?  You’d go to the math department of a university.  That’s why instead of allowing questions on any topic, we bring together individual communities of experts on very specific topics.

Site categories include: All, Technology, Science, Recreation, Culture, Life, Arts, Business, and Professional.  Answers to questions are voted on by the Stack Exchange community so the best answers are always near the top.  Answers can also be edited much like Wikipedia.  Some of Stack Exchange’s sites also have blogs and newsletters you can subscribe to.  The main site has a blog as well.

http://stackexchange.com/