![orn ethanol plant next to corn field](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/ethanol_plant_and_corn_field.jpg?itok=eSz-wZxP)
How is Ethanol Made?
Backgrounders
Ethanol is a biofuel that can power a car. Learn about the enzymes, catalysts and processes like fermentation involved in ethanol production.
![How can I make glue?](/sites/default/files/2019-08/how-can-i-make-glue.jpg)
How can I make glue?
Hands-on Activities
Discover how to use some common kitchen ingredients to make glue.
![Lawn mower mowing grass](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/image%2C.jpg?itok=7Rfn7uh2)
How Do Plants Use Chemical Signalling?
STEM Explained
How do plants use scents? Learn how some plants use chemical signals to send messages to animals or other plants.
![Weighing the hops](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Weighing_the_hops.jpg?itok=SF7NOfGY)
Hop To It! The Science Behind Beer
STEM Explained
Brewing beer involves a series of complex biochemical reactions.
![bees on frame held by beekeeper](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Bees_at_work.jpg?itok=eCBFpn4d)
How are the World's Bee Populations Doing?
STEM Explained
Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.
![Cocoa beans and cocoa powder](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/cocoa-beans-and-powder.jpg?itok=IWN1XDWK)
Can Chocolate Make Your Brain Work Better?
STEM Explained
Researchers have found that consuming foods rich in flavanols is linked to more efficient blood flow, which can improve brain function.
![Gingerbread house](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/gingerbread-house.jpg?itok=a0Cvegou)
A Merry Molecular Christmas
STEM Explained
Many holidays mean delicious food - and smells! This fun article looks at the chemistry behind the common aromas of Christmas.