Berger's slide library is overflowing with information about art from around the world and from every period in history.

NPR presents a slide show on the life of chess sensation Bobby Fischer who "became a cold war hero by dethroning the Soviet world champion" Boris Spassky in 1972. Fischer was the first U.S. born world chess champion.

NPR offers a photographic slide show on the status of Greenland's ice glaciers as they start to melt and the consequences of the melting for the future.

An eight-slide presentation explaining how to properly punctuate a divided quote.

A ten-slide presentation demonstrating how to edit writing for sentence variety and how to identify and correct sentence errors such as fragments, run-ons, and comma splices.

NOVA presents a slide show of orchids with brief descriptions of each of the 15 pictures. See the beauty of each orchid, who it was named for and where it lives.

[Free Registration/Login Required] This 8-slide PowerPoint gives a brief synopsis of A Christmas Carol by Charles Dickens.

Narrated slideshow introduces viewers to a variety of baby animals and answers such questions as, what are baby goats called? what are baby cows called? what are baby swans called? [Registered users can comment on each slide, via text,...

This box is for keeping a scale and weights. It contains a sliding rule of two levels, carved and divided to contain balances.

This site is a step by step instructions on how to use a microscope. Begins with the proper way to get the microscope and ends with putting the microscope. The correct way to look at slides and care for you microscope are also discussed....

This site is a step by step instructions on how to use a microscope. Begins with the proper way to get the microscope and ends with putting the microscope. The correct way to look at slides and care for you microscope are also discussed....

Learn how to calculate the total magnification of a microscope on this concise site. Links to making a slide, questions on the use of the microscope, and other related microscope topics are included on this site.

Oronhyatekha, also called Peter Martin, is profiled in this comprehensive and fascinating web site! He was one of the first native people to earn a medical degree,held positions in government, but most importantly did not forsake his...

Blaise Pascal, the seventeenth-century French mathematician, thinker, and scientist, built the first mechanical adding machine in 1642 based on a design described by Hero of Alexandria (2 CE) to add up the distance a carriage traveled.