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MASERA

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!

Marcelo Serafim

Sep 134 min read

The Psychology of Sales and Marketing

Sales and marketing are deeply intertwined with psychology, as both disciplines rely heavily on understanding human behavior,...

Marcelo Serafim

Sep 105 min read

The 9/11 Terrorist Attacks

On the morning of September 11, 2001, the world witnessed one of the most devastating terrorist attacks in history. The coordinated...

AB InBev: A Global Brewing Giant with Brazilian Roots

Marcelo Serafim

Sep 64 min read

AB InBev: A Global Brewing Giant with Brazilian Roots

Anheuser-Busch InBev, commonly known as AB InBev, is one of the largest beverage companies in the world, with a history that spans over a...

Marcelo Serafim

Sep 64 min read

The Art of Winemaking

Winemaking, an ancient craft that dates back thousands of years, has evolved into a refined art and science. The process begins in the...

The Evolution of Digital Marketing: Channels, Techniques, and AI Integration

Marcelo Serafim

Sep 25 min read

The Evolution of Digital Marketing: Channels, Techniques, and AI Integration

Digital marketing has revolutionized how businesses interact with their customers, creating a dynamic environment that evolves with...

Marcelo Serafim

Sep 25 min read

The K-pop and Dorama Revolution

K-pop and Doramas (Korean dramas) have taken the world by storm, creating a cultural phenomenon that transcends borders. Over the past...

A Clash of Titans: Elon Musk vs. Alexandre Moraes and the Battle for Free Speech in Brazil

Marcelo Serafim

Aug 304 min read

A Clash of Titans: Elon Musk vs. Alexandre Moraes and the Battle for Free Speech in Brazil

In a dramatic escalation of tensions between technology and governance, Elon Musk, the CEO of X Corp (formerly Twitter), and Alexandre de...

Marcelo Serafim

Aug 285 min read

The Smartphone Revolution

The advent of the smartphone has arguably been one of the most transformative technological advancements of the 21st century. Since the...

Marcelo Serafim

Aug 284 min read

The Beatles: A Musical Revolution

The Beatles, a band that forever changed the landscape of popular music, originated in Liverpool, England, in 1960. Consisting of John...

The Top 10 Biggest Cities in the World by Population

Marcelo Serafim

Aug 285 min read

The Top 10 Biggest Cities in the World by Population

As urbanization continues to reshape the global landscape, cities have become the epicenters of human activity. The world's largest...

Marcelo Serafim

Aug 234 min read

How to Train Your Dog

Training your dog is an essential part of responsible pet ownership. Not only does it help in establishing a good relationship between...

Marcelo Serafim

Aug 234 min read

The Art of Speed Reading

In an age where information is as vast as the cosmos, speed reading emerges as the spaceship for navigating this universe of words. Speed...

Marcelo Serafim

Aug 194 min read

Top 10 Marvel Movies

The Marvel Cinematic Universe (MCU) has become one of the most successful film franchises in history. With over two dozen films, choosing...

The U.S. Healthcare System: An In-Depth Look and Global Comparison

Marcelo Serafim

Aug 195 min read

The U.S. Healthcare System: An In-Depth Look and Global Comparison

The healthcare system in the United States is often regarded as one of the most complex and expensive in the world. Unlike many developed...

Marcelo Serafim

Aug 144 min read

The Life and Legacy of Bill Gates

Bill Gates, born on October 28, 1955, in Seattle, Washington, is a name synonymous with innovation, technology, and philanthropy. From a...

Renewable Energies: A Path Toward a Sustainable Future

Marcelo Serafim

Aug 145 min read

Renewable Energies: A Path Toward a Sustainable Future

Renewable energy has become a critical component in the global strategy to combat climate change and reduce dependence on fossil fuels....

Venture Capital Funds and Angel Investment: Fueling Innovation

Marcelo Serafim

Aug 145 min read

Venture Capital Funds and Angel Investment: Fueling Innovation

Venture capital (VC) funds and angel investments are critical components of the startup ecosystem, providing essential funding to...

Freemasonry and Secret Societies: A Deep Dive

Marcelo Serafim

Aug 85 min read

Freemasonry and Secret Societies: A Deep Dive

Masonry, also known as Freemasonry, is one of the oldest and most widespread secret societies in the world. With roots tracing back to...

Marcelo Serafim

Aug 84 min read

Academic Careers: A Comprehensive Guide

Choosing to pursue an academic career is a significant decision that requires dedication, passion, and a long-term commitment to...

Book Review: No Rules Rules by Reed Hastings

Marcelo Serafim

Aug 84 min read

Book Review: No Rules Rules by Reed Hastings

No Rules Rules is a book by Reed Hastings, the co-founder and CEO of Netflix, co-authored with Erin Meyer. The book dives into the...