Cells demonstrate a life cycle like other living things, but what if death was no longer part of the cycle? Learn about the important balance requiring death to continue functioning. An online interactive introduces a group of scientists...

Roy John Britten easily earned a PhD in nuclear physics—but he found painting with water colors too difficult. Young scientists learn about Britten's life, career, and research with an online interactive. They read a biography, view...

[Free Registration/Login Required] Using a Venn diagram, drag the blue tiles into each part to correctly sort the characteristics of Prokaryotic and Eukaryotic cells.

Investigate plant and animal cells by clicking on the different organelles to learn how their structure affects the function of the cell.

Take a peek inside a plant or animal cell, and examine the structure and function of each organelle.