We could be in a few days to see the very first picture of a black hole



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If you consider yourself a lifelong learner, online courses are an easy and affordable way to hone your skills, put your brain to the test and even discover a new interest or hobby. You can find online courses on everything from interior design to graphic design, and many of these courses are free on websites like Udemy, Coursera and edX. (But if you want a certificate proving that you have completed the program, fees are usually charged.)

Ready to dive into lesson plans? We have selected 10 of the coolest classes you can follow in the comfort of your own home.

1. CPR dog and first aid

Many non-medical professionals are now certified CPR, but did you know that similar first aid techniques can be used on dogs in emergency situations? This course covers CPR and the Heimlich maneuver in dogs, as well as the explanation of reading a dog's vital signs. One of the lessons also concerns the prevention of emergency situations, including topics such as automotive safety, toxic food and plants, and disaster preparedness. Whether you have your own baby fur or just want to be ready to save an animal in need, this course is for you.

S & # 39; register on Udemy for $ 14. A certificate of completion is included in the price.

2. Neuroplasticity: how to rewire your brain

Old habits die hard, but there is always room for significant and lasting change in your life. Taught by psychologist and founder of Brain Academy, Gregory Caremans, this course is ideal for anyone who wants to adopt healthier habits, minimize painful memories or stop procrastinating (indeed, an entire chapter is devoted to the latter subject). No prior knowledge is needed, but be prepared to give your brain a complete workout. The class includes many exercises that will help you reshape your brain in the most literal sense of the term.

S & # 39; register on Udemy for $ 14. A certificate of completion is included in the price.

3. The science of well-being

Once you're done re-wiring your brain, you can teach him to be happier with this Yale University class. Laurie Santos, professor of psychology, begins by refuting the misconceptions about things that, in our opinion, will make us happy, despite the scientific evidence to the contrary. Fortunately, these brain biases can be overcome and much of the class is dedicated to strategies that can be used to gain a greater sense of well-being.

If Santos' class leaves you wanting more, you can also sign up for The Science of Happiness, a free class from the University of California, Berkeley's Greater Good Science Center. It is available for free on edX (with an option to purchase a $ 49 certificate at the end).

S & # 39; register for the course of Santos on Coursera for free. The optional certificate costs $ 49.

4. The rise of superheroes and their impact on pop culture

If you still mourn the loss of legendary comics creator Stan Lee, you can take advantage of this SmithsonianX course, which features some of the superhero-themed knowledge that Lee shared during his stay on this Earth. You will also hear another comic creator, Michael Uslan, executive producer of The Dark Knight series and The Lego movie. After six weeks you will be able to explain how the birth of the very first superhero in 1938 launched a global phenomenon that continues to inform art, pop culture and even ethics.

S & # 39; register on edX for free. The optional certificate costs $ 50.

5. The greatest unresolved mysteries of the universe

What is the cause of the Big Bang? What is our universe made of? Is there life in space? Two astronomers from the Australian National University set out to answer some of the outstanding questions of modern astrophysics. You can leave this course with more questions than answers, but you will have a more informed vision of the greatest mysteries of life, as well as a better understanding of why they are so difficult to solve.

S & # 39; register on edX for free. The optional certificate costs $ 50.

6. The half-century of Kennedy

Calling All History Enthusiasts and Presidential Questions and Answers: This course from the University of Virginia provides a complete understanding of the legacy left by John F. Kennedy. It covers the rise to power, the presidency and the assassination of J.F.K. and explain how these memorable events have had a lasting impact on the public, the media and the presidents who have followed it.

S & # 39; register on Coursera for free. The optional certificate costs $ 49.

7. The science of beer

If Alton Brown were to give a course on beer, it would probably look like this offer from Wageningen University & Research in the Netherlands. You will learn how your beloved beer is chosen and what makes it so delicious. Reasonable warning, however: you will also learn some of the unpleasant health effects of excessive beer consumption. Instructors also give insights into how beer is in the supply chain and how marketers are trying to influence consumer behavior.

S & # 39; register on edX for free. The optional certificate costs $ 49.

8. Beatles music

With 13 studio albums, the Beatles have released enough material to dissect, analyze and enjoy for decades. This class from the University of Rochester describes the evolution of the group as musicians, from their first experiences in Liverpool and Hamburg, through their psychedelic phase and the publication of Abbey Road, the last album that they recorded. (Although, as you will probably learn in this course, Never mind was the last album that they actually released).

S & # 39; register on Coursera for free. The optional certificate costs $ 49.

9. Aquaponic Gardening: Cultivating Fish and Vegetables Together

Healthy and sustainable foods are not always cheap, so why not raise your dinner in your own yard? Sylvia Bernstein, author and expert in aquaponic gardening, will guide you through the basic principles of raising fish like tilapia, bluegill and catfish in captivity. In turn, the waste of these fish can be used to feed an entire fruit or vegetable garden. Sylvia and her husband, Alan, will introduce you to the ecological techniques you will need to know to organize a generous feast.

S & # 39; register on Udemy for $ 25. A certificate of completion is included in the price.

10. Passive Income: 10 Legitimate Ways to Make Money Online

Everyone wants to know how to earn more money with less effort. The Udemy course of Victor Gorinov, entrepreneur and IT professional, is designed to help you understand how to do it. It will introduce you to the basic concepts necessary to earn passive income, addressing options such as affiliate marketing, domain trading, investing in stocks and real estate, monetization of your YouTube account and selling your photos and videos on stock websites.

S & # 39; register on Udemy for $ 12. A certificate of completion is included in the price.

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