top of page
Our Classes
Welcome everyone to the largest source of independent original ESL class material in the world.
Here you'll find all kinds of ready-to-use classes for your advanced ESL journey! Become a MASERA Student or join our subscription program for ESL Teachers today!
Search
IBM: A Legacy of Innovation
IBM, short for International Business Machines Corporation, is a renowned American multinational technology company. Founded in 1911 as...
Marcelo Serafim
May 26, 20233 min read
Mastering the Art of Persuasion: Turning "No" into "Yes"
Welcome to today's English class! In this session, we will focus on the art of turning "nos" into "yeses" and effectively overcoming...
Marcelo Serafim
May 24, 20233 min read
Book Review: How to Make Friends and Influence People
In today's class, we will explore the book "How to Make Friends and Influence People" by Dale Carnegie. This influential self-help book...
Marcelo Serafim
May 23, 20234 min read
Assertiveness: Finding Your Voice and Expressing Yourself Confidently
In today's English class, we will explore the concept of assertiveness and its importance in effective communication. Assertiveness is...
Marcelo Serafim
May 23, 20233 min read
IoT Devices, The Internet of Things
The Internet of Things (IoT) has become a buzzword in recent years, referring to the network of interconnected devices that can...
Marcelo Serafim
May 17, 20232 min read
Apple Inc.
Apple Inc., founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne, is a multinational technology company based in Cupertino,...
Marcelo Serafim
May 17, 20233 min read
How to Behave in a Meeting or Call
Attending a meeting or conference call can be a daunting experience. You're not only representing yourself, but also your company and...
Marcelo Serafim
May 15, 20233 min read
Book Review: Germs, Guns and Steel
"Germs, Guns, and Steel" is a book by Jared Diamond that explores the reasons behind the differences in human development around the...
Marcelo Serafim
May 10, 20232 min read
Monarchy, Republic or Parliamentarism?
The monarchy is a form of government where a king, queen, or emperor is the head of state. The position is usually inherited by the...
Marcelo Serafim
May 8, 20233 min read
The Rise of Fake News
The rise of social media has made it easier for people to share news and information. However, it has also given rise to the phenomenon...
Marcelo Serafim
May 2, 20232 min read
Multiculturalism
Multiculturalism is the coexistence and appreciation of different cultures within a society. It recognizes and respects the diversity of...
Marcelo Serafim
Apr 26, 20232 min read
Docker and Kubernetes, and the growth of cloud computing
In recent years, there has been a significant shift in the way IT infrastructure is managed, thanks to the rise of containerization...
Marcelo Serafim
Apr 24, 20233 min read
The Mighty China
China's rapid transformation from a mainly agricultural country to an industrial goliath has been one of the most remarkable economic...
Marcelo Serafim
Apr 24, 20233 min read
Basic Economics
Economics is the study of how societies allocate scarce resources among competing demands. This includes the production and distribution...
Marcelo Serafim
Apr 24, 20232 min read
Commodities
Commodities are raw materials or primary agricultural products that can be bought and sold, such as oil, gold, and wheat. They are often...
Marcelo Serafim
Apr 18, 20232 min read
Theranos and Elizabeth Holmes
Theranos was a startup founded in 2003 by Elizabeth Holmes with the goal of revolutionizing blood testing. The company promised to...
Marcelo Serafim
Apr 12, 20232 min read
International Trade
International trade refers to the exchange of goods and services between countries. It is an important part of the global economy, as it...
Marcelo Serafim
Apr 11, 20232 min read
Alternative Sources of Energy
As the world's population continues to grow, the demand for energy is increasing. Unfortunately, traditional energy sources such as coal...
Marcelo Serafim
Apr 11, 20232 min read
Religious Leaders and Pedophilia
The issue of sexual abuse by religious leaders, particularly pedophilia, is a sensitive and complex topic that has plagued many religious...
Marcelo Serafim
Apr 11, 20233 min read
What Makes a Successful Brand?
A brand is more than just a logo or a name. It is a representation of a company's values, culture, and identity. A successful brand is...
Marcelo Serafim
Mar 29, 20232 min read
bottom of page