Proboscis monkeys from Borneo and cows do have something in common: They both chew their cuds.
You go to the library and check out an old book. When opening the book, you notice the pages are yellow and falling apart. Why is this happening?
How does cellulose turn into paper? What chemistry is occurring?
Learn about Terminator Sponges on this Moment of Science.
Learn about alternative energy sources other than solar and wind power.