See if you can identify the type of camouflage shown in 12 different animals. Types of camouflage include mimicry, disguise, disruptive coloration,and concealing coloration.
Scientists have determined that the earthquakes preceding volcanic eruptions are different than those that precede earthquakes. Discover the sounds and wave patterns produced by the three different types of volcanic seismic activities.
Explore the NOVA's Virtual Enigma machine used during WWII. You can send an encrypted message to a friend along with the special key needed to decipher the message. A link is also included to the Virtual Enigma.
"Men wanted for hazardous journey" read the ad in a London paper. So began a journey they would never forget. Follow the expedition through great text and pictures.
An informative site that touches on evolution, life cycle and interesting facts about sharks.
This site, a companion to the original NOVA program on PBS, explores how Venetians are fighting the rising water levels that surround their historic city. Through interviews and video clips, the site takes an honest look at how global warming and destructive algae are destroying Venice, as well as delving into the proposed solutions to the problem. Requires Adobe Flash and Quicktime.
This simulation allows you to experience Joe Kittinger's famous 1960 skydiving feat. As you ascend the troposphere and stratosphere you can view changes in several atmospheric conditions. The challenge will be surviving the leap once you get to the top.
Find out about different activity on the surface of the sun including solar flares and storms. [2:47]
This impressive multimedia website about the space shuttle Columbia disaster explores rescue options, includes interviews with investigating scientists, and debate about continuing the shuttle program. Make sure to try out the "Force of Impact" feature that allows users to explore the size and velocity of the foam that caused the damage to the shuttle. There are also links to the one hour NOVA program about the disaster.
This site is on special effects. Play a game and learn "where the science of perception meets the art of special effects."
This essay from NOVA: "Life's Greatest Miracle" explores the debate over the use of embryonic stem cells in scientific research.
PBS site provides information as to what stem cells are, what they do and how we find a balance between hope for cures and respect for life. Contains links to stem cell research, the cloning process as well as politics of stem cells.
Like a time machine, amber fossils take us back in the earth's history to discover the plants, animals and ecological relationships of prehistoric ecosystems. This resource has several interesting pictures of a variety of Dominican organisms trapped in amber.
Examine how fuel use affects the mass of different planes during flight. This lesson teaches students how to determine the per person fuel cost of a transatlantic flight for seven airplanes, and display the results on a bar graph. Three student handouts are available in PDFs for printing.
Explore the body's immune system to understand how a virus enters the body and how the human body fights against the viruses like the mumps virus and HIV.
PBS site explores the T. rex and its enormous size. Contains links to a video broadcast segment, a section on "Growing Up T. Rex," "Name That Sound" as well as a section on "Ask the Expert."
Website that accompanies the NOVA program "Tales from the Hive." Site includes additional facts on bees, specifically the breakdown of a bee hive, and the different dances bees do as well as what they mean.
Explore Janusz Skulski's drawings of the battleship Yamato, and discover what made the ship both seemingly unsinkable and highly vulnerable to attack.
Part of PBS-NOVA Online. An excellent explanation of how radiocarbon dating is done and why it works. Great material for earth science, history or biology classes.
