Your education doesnt have to stop once you leave school.

Orientation: What Is Lifehacker U?

Grab your pen and paper and ensure your battery is chargedclass is in session!

You will, however, need a Mac (running OS X 10.10) and an iOS machine.

Beyond that, bring your enthusiasm and youll be ready to go.

The self-paced version of the course (as in, just the course materials) are free.

If you pay for the course, youll get group projects and instructor-led activities.

Its a fun way to learn a new language, but its a two-parter.

Keep an eye out forPart II, starting later this summer, if you sign up for this one.

If not, the whole courseincluding all of the partsisavailable for free at the class website herefor self-paced study.

The University of Groningen - Why Do We Age?

The Molecular Mechanisms of Aging- Professor Marianna Bevova- Is there a limit to human lifespan?

Why do we wage, and what signals the beginning of the process?

Where do you draw the line between growing up and growing old?

If youve ever wondered how you might use math in the real world, take this course.

Youll study pigeonhole principles, recurring numbers like the Fibonacci Sequence, functions, and more.

Why are they so important to us?

Where does this absence come from, and how is it defined?

What is ethical behavior?

What body makes those globally understood laws, and who presides over them?

Youll focus on international bodies like the International Court of Justice, and the United Nations in the process.

Penn State University - Presumed Innocent?

This class dives into all of these topics and then some.

Does it mean home ownership, or just the ability to find fulfilling work?

What about why certain frequencies are used for commercial purposes, and why mobile bandwidth is an issue?

Topics range from science and technology to social science and humanities, and theyre all free.

Interested in a crash course in mechanical engineering?

The Saylor Foundation can help you with that.

Education-Portal.com has a listof universities offering free and for-credit online classes to students and the public at large.

The University of Redditis a crowd-built set of classes and seminars by Reddit users who have expertise to share.

Topics range from computer science and programming to paleontology, narrative poetry, and Latin.

), and do examinations and quizzes on your own time.

Send them in to us at[email protected]so we can include them in the next semester!

Title photo remixed from an original bySean Pavone(Shutterstock).