Did You Knows is a free to use website that presents numerous facts in a “Did you know” format. From the difference between two cornflakes to the percentage of people having an extra rib, the site covers all sorts of interesting and surprising facts. The facts are neatly categorized into topics that can be browsed from the left, presented in a concise and reader-friendly  form.

A search box is also located at the top left which lets you search for facts via keywords.

Features:

• A user-friendly web service.
• Presents numerous interesting and surprising facts.
• Categorizes facts into individual topics.
• Lets you search for facts via keywords.

Check out DidYouKnows @ www.did-you-knows.com (By Umar from TechCityInc)

Reactor Finder is a web tool created by Voice of America News. The app lets you discover which parts of the world contain nuclear reactors. The number of nuclear reactors in a region is displayed in colored circles. You can zoom into the map and find out the details of the reactor locations.

In addition to displaying reactors on a map, the site graphically displays the construction and shutdown stats of reactors worldwide.

You can also view the reactors names in a traditional list format, view research reactors, and filter reactors by country.

Features:

• A user-friendly web service.
• An informative tool about nuclear reactors worldwide.
• Provides reactor details such as reactor type, reactor status, owner, and operator.
• Lets you view reactors via country.
• Graphically displays global reactor opening and shut down stats.
• Similar tools: NucleoMeter, Ground Zero II, NukeoMeter and Impact Calculator.

Check out VOANews Reactor Finder @ tools.voanews2.com/nuclear_reactors (by MOin from ThumbPress)

Show World is a free and easy to use website that presents data on a world map. The site includes data that it has collected and indexed. The 5 main categories of data are People, Planet, Business, Politics, and Living; these then have subcategories such as People Demographics, Education, and Causes of Death. The sub-subcategory is where you will find the data types.

Clicking on any sub-subcategory will transform the world map into a data representing diagram; this transformation happens through an animation. A breakdown of the data can be seen on the right pane while the map is in the background; the map is zoom-able.

If you want to, you can share the data on social networks, download the animation, or embed it on your own website. You can also download the data as an image file or an Excel file.

In addition to its global data representation, the site provides country-specific data for USA and Japan too.

Features:

• A user friendly website.
• Represents various types of data on a world map.
• Offers an animation to shift from one map view to another.
• Lets you share the data links on social networks.
• Lets you embed the animation on your own site.
• Lets you download the data as an image file or an Excel file.
• Provides country-specific data stats for USA and Japan.
• Similar tools: ManyEyes and WorldClock.

Check out “Show World” @ show.mappingworlds.com//world/?lang=EN (by MOin from ThumbPress)

Make A Dare is a free to use website that hosts websites of friends daring friends to do stuff. The site has a huge library of dare videos that have every day, normal people performing dares. Browsing the videos is absolutely free and does not require visitors to create an account.

If you want to, you can create a free account after which you will be able to post dare suggestions on the site. You can also enter dare competitions and see which user is the “˜most daring.’

A fun site, Make A Dare will surely make anybody’s day.

Features:

• Includes many videos.
• Lets users suggest dares.
• Lets users complete their dares.
• Similar site: URDB.

Check out Make A Dare @ www.makeadare.com

Next time when you try to log on to Windows, it’ll automatically start the webcam and capture your face in order to log you in.

This tool can also capture pictures of other people who try to access your system and save it in its history so that you can check it out later.

Features

• Face recognition login software for Windows.
• Easy to install and use.
• Requires the availability of webcam.
• Can recognize face irrespective of the hairstyle.
• Supported OS: Windows Vista and Seven 32bit only

Check out Luxand Blink @ www.luxand.com/blink ( By Abhijeet from Guiding Tech)

It is composed of three parts: Touch, which explores the male and female perceptions of erogenous zones; Look, which investigates the varieties of patterns in a single body part; and Listen, which looks into the relationship between the human body and language.

Touch shows the places in the human body where men and women like to be touched and the body parts that they like to touch as well. This section even lets you compare between gender and experience (touch and be touched).

Meanwhile, Look shows the different varieties of human chest. It shows the unique representations of the various patterns of male and female nipples.

Finally, Listen points out how body parts are used are used in our language particularly in our various forms of literature. It also shows statistics of which body parts are most frequently mentioned in a particular musical genre.

Features:

• Learn more about the human body based on the results of an artistic study.
• Compare the body parts that women and men like to touch and be touched.
• Discover the different patterns of male and female chest.
• Create your own body rebus, a literary piece that focuses only on words that relate to the body and reduces other text to dots.
• Request for Fleshmap prints for personal use.

Check out Fleshmap @ www.fleshmap.com

Some of these properties include words like abundant, automorphic, apocalytpic power, Google, tetrahedral, vampire, and more. However, Number gossip only works up to the number 9999.

Features:

• Shows the unique, common properties of a number.
• Provides trivia about numbers and shows its complex nature.
• Offers a list of numbers in each property.
• Read about all properties associated with the number.

Check out Number Gossip @ http://www.numbergossip.com

To use Ground Zero II, input an address then nuke it by using a variety of nuclear bombs of differing strengths. You can also control the wind direction before nuking a place. Clicking on the map marker shows you the details regarding the physical effects of such explosions.

Although getting hit by a nuke is hardly fun, this app is useful for those interested in end-of-the-world scenarios.

Features:

• Nuke any place and see the extent of the damage to that area.
• Choose from 12 weapons.
• Control the wind direction before nuking a place.
• Change the map view to a satellite or hybrid view.
• Free, no signup is required.
• Similar tool: NukeoMeter and Impact Calculator.

Check out Ground Zero II @ www.carloslabs.com/node/20

This fun tool displays two maps, each belonging to a point-place in the world. To use the site, you just need to drag any of the maps. The other map then moves accordingly to reflect the exact point on the other side of the earth.

The site provides several starting points:such as Brazil-Manila, Peru-Vietnam and Argentina-Mongolia. It also lets you choose between simple map view and detailed map view with topographic features.

Features:

• Find opposite places on the earth easily.
• Zoom in and out of maps, with the scales adjusting accordingly.
• Displays the longitude and latitude.
• Choose between simple map view or a more detailed view.
• Free, no signup is required.
• Similar tool: Antipodr.

Check out Zefrank @ www.zefrank.com/sandwich/tool.html

You can browse the categories, search for odds through keywords, share odds via email, suggest odds and browse odds using their excellent visual tool.

If you register, you get to know odds about yourself, create customized odds list and collect odds you find interesting. The site also features articles and other content. They don’t claim to be perfect and show a confidence index under each odd to let you know the accuracy rate of that odd.

Features:

• Find and share interesting odds of everyday life.
• Browse through categories or keywords.
• Explore using their visual tool.
• Register to get probabilities about yourself.
• Share and suggest odds.

Check out BookOfOdds @ www.bookofodds.com [via Mashable] (by Abhijeet from Jeet Blog)