When I began teaching, my colleagues and I quickly realized that our students didn't have access to the same resources we had growing up. We knew there were supplies and resources that could help our students, but our school district simply couldn't afford them.

Ideally, DonorsChoose.org wouldn't be necessary for basic supplies, but I hope we'll always be a platform for teachers to request resources that would bring the learning experience of their students to the next level.

America's best teachers are always looking for new ways to bring learning to life.

We're thrilled to be a part of PNC's longstanding commitment to early childhood learning. Their generosity will help us expand the DonorsChoose.org platform to serve Head Start classrooms nationwide, ensuring that many more pre-K teachers have resources they need to give their students a solid educational foundation.

The most important lesson my parents taught me is that writing is a job, one that requires discipline and commitment. Most of the time it's a fun job, a wonderful job, but sometimes it isn't, and those are the days that test you.

What Bradbury had that most other science-fiction writers didn't have at that time was a love for beautiful language, evocative description, and haunting phrases that would stick with the reader.

Entrepreneurship works on the apprenticeship model. The best way to learn how to be an entrepreneur is to start a company and seek the advice of a successful entrepreneur in the area in which you are interested. Or work at a startup for a few years to learn the ropes.

Natural selection is anything but random.