These interactive activities use the Shockwave plug-in,
but non-interactive versions have also been included. Check 'em out!

Technology at Home Watch the items in this home appear and change as you move back and forth through the 20th century
	Mountain Maker, Earth Shaker Push your mouse around to move continents and change the landscape
Probe the Brain Map the brain with your trusty electric probe
	Atom Builder Build a carbon atom out of quarks and electrons, but watch out for radioactive decay
Human Evolution Slide through time to see human ancestors and how they may be related
	Radio Transmission See how sound hitches a ride on radio waves to get from a transmitter to your receiver
Doctor over Time Visit doctors from 1900, 1950, and 1998 to see how each would treat the same illness
	DNA Workshop Replicate a strand of DNA and follow the genetic code to create a protein

Bibliography for You Try It features

If you would like to download a copy of one of these feature for use when you are not connected to the Internet, take a look at the packages section of the help page.