Types of Lizards

There are more than 4,000 different types of lizards worldwide.

The terms lizard, gecko, iguana or dragon do not differ from a taxonomic point of view. These are the names attributed to different types of lizards, mainly due to significant differences in size among these reptiles. Lizards can measure a few centimeters long or reach enormous sizes up to 3 meters in length. Biologically, these… Continue reading Types of Lizards

The Biggest Myths About Space Exploration You Shouldn’t Believe

Space, endless expanses - and an endless amount of space for myths and legends.
VIDEO: Astronaut Chris Hadfield Debunks Space Myths.

Space exploration has always been a magnet for theories of disinformation and conspiracy. If you don’t want to be fooled, here are some myths you shouldn’t fall for. Many countries have dedicated decades and huge amounts of money to space exploration, for the simple purpose of getting to know the universe, the solar system we… Continue reading The Biggest Myths About Space Exploration You Shouldn’t Believe

Published
Categorized as Space, Videos

What are the Top Megacities in the World?

Surveys and forecasts indicate that the greatest urban growth over the next 25 years will be in developing countries.

A megacity is usually defined as a metropolitan area with more than 10 million inhabitants. Some definitions also require it to have a minimum population density of 2000 people/km². It can be formed by one, two or more metropolitan areas that have been physically joined together. The terms conurbation and metroplex also apply to cases… Continue reading What are the Top Megacities in the World?

Published
Categorized as Videos