Given the math test on Wednesday, I thought this comic was timely.

For those of you interested in exploring the world issues sites we've been looking at, here are two links as well:

www.gapminder.org
and
http://storyofstuff.com/

I think it's really interesting to contrast how both sites use data to support their hypotheses.

See you in class tomorrow!

science links

Today we reviewed some cool online animations of cell features and talked more about how different kinds of cells might respond to signals. If you want to see these again or fill out your response form with more detail, go here:
Inside a Cell
and here:
Dropping Signals

I also like this cool tool, showing relative sizes of very small things:
http://learn.genetics.utah.edu/content/begin/cells/signals/