Howard Hughes Medical Institute
Newt Limb Regeneration
Some amphibians respond to amputated limbs by fully regenerating functioning limbs. A short video permits viewers to observe a newt's cells working as stem cells, differentiating and regenerating into bones, muscle, skin, nerves, blood...
Domain of Science
The Map of Mathematics
How does all this math fit together? The resource creates a graphical view of the extent of mathematics. The map shows the pure and applied sides of studying mathematics and breaks them down into their many disciplines.