Can DNA save the world?

Check out these stories from Quirks and Quarks:

The world of synthetic biology is fascinating!  What do you think of this new field?  Does it raise any ethical concerns with you?  What sort of organisms do you think scientists should focus on creating?  Read the article and listen to the interviews here.

Also, check out the story on wax-work micro muscles here.

There's an App for That...balancing equations

Do you want some more practice balancing equations?  Use the app below to go through some practice and play a balancing game.  Have fun!

Click to Run

Moles of Molecules and Bales of Hay

Are you still having trouble picturing what exactly a "mole" is in chemistry?  This page has a great dialogue that helps explain what a mole is and why we need to know Avogadro's number.  Have a read through!