This paper proposes one of the first scalable methods for estimating the number of clusters of solutions of graph coloring problems using a belief propagation like algorithm.

This site provides information about cluster munitions and the destruction they cause. Includes information and videos about the arms trade in these and countries suffering their impact.

Globular clusters, compact groups of about a million stars that move around together in galaxies, are among the oldest objects found in the universe. Since they are found most galaxies and since they've been around for so long, globular...

In this exercise, students practice describing data distributions as clusters, gaps, peaks, and outliers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

[Free Registration/Login may be required to access all resource tools.] Examines the two main types of star clusters.

An article that discusses what we mean when we talk about clusters in scatter plots. It also includes practice questions that test your knowledge of the topic.

A scanned copy of the 1896 publication of A Cluster of Stories, a book of stories and poems and stories for children.

This is an online photocopy of the original of the children's book Gathered Clusters from Scripture Pages by Elizabeth Hope, a book of information about the Bible using key words.

PBS site explores these building blocks of the universe as well as their various types and clusters.

Understand what galaxy clusters are on this site which contains both information and a video.

Discover what cluster headaches are and what causes them in this informative article from Medical News Today. Learn about the signs and symptoms, the duration, the risk factors, treatment options, and how you can prevent them.

The CyberSquad searches for Hacker's castle based on a survey of where town residents have last seen him in this video from Cyberchase.

The Milky Way is the edgewise view of our home galaxy, a disk made up of billions of stars. The Sun resides on one of the spiral arms of the disk, 30,000 light-years from the thick hub of the galaxy. The actual center, with a black hole...

The Stellar Snowflake Cluster image displayed at this site (in addition to a detailed textual analysis of the image) is enhanced with infrared to display a cluster of newborn stars hidden behind layers of dust.

Under the heading, "Star Clusters Found in the Milky Way" this site examines specific details of an image displaying various clusters of stars in the Milky Way. The text below the image highlights in detail various features of the picture.

The image entitled, "A New Star Cluster" shows the formation of a new group of stars located in the Milky Way galaxy. The text below the image goes into detail on describing the various specifics of the image.

Under the heading, "A Hidden, Massive Star Cluster Awash with Red Supergiants" this site examines specific details of an infrared image displaying 14 massive stars close to supernova. A detailed text analysis of the picture is also...

Resource offers online career videos in 16 industry areas to learn about the type of work performed in a variety of jobs in each industry area.

An encyclopedia entry on cluster sampling details what it is, how it is different from stratified sampling, and provides a discussion on geographical cluster sampling.

Contains a definition for what cluster sampling is, when it is used, and also provides an example situation for when it would be used.

A June 2007 news report that examines the problems associated with unexploded cluster bombs left over from Tajikistan's civil war. Also provides links to related sites.

Practice some nifty new vocab for describing data distributions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This lesson uses graphic organizers to engage students in reading comprehension strategies for informational text in science. Venn Diagram, Hierarchy, Time Line, Cluster Diagram, and Flow Chart reproducible pages are included with the...

Explore different careers by watching short videos of real people doing a variety of jobs. Sorted by career cluster so that students can choose their area of interest.