Top 20 Countries with the most UNESCO World Heritage Sites (2020 Update)

There are a total of 1121 UNESCO World Heritage Sites in the world (as of January 2020: 869 Cultural, 213 Natural, and 39 Mixed). Here are the top 20 countries having the most number of UNESCO World Heritage sites. What is a UNESCO World Heritage Site? According to the Wikipedia, “A World Heritage Site is […]

What are lost continents, and why are we discovering so many?

Maria Seton, University of Sydney; Joanne Whittaker, University of Tasmania, and Simon Williams, University of Sydney For most people, continents are Earth’s seven main large landmasses. But geoscientists have a different take on this. They look at the type of rock a feature is made of, rather than how much of its surface is above […]

No, Koalas aren’t functionally extinct “yet”, but they still need our help

Yesterday, I published a post titled “Koalas are ‘Functionally Extinct’ now“, based on an article on Forbes. It seems this isn’t the case: science journalist Erin Biba (@erinbiba) wrote on Twitter that “The news that Koalas are functionally extinct are from a press release that was issued in May, before the fires, from a group […]

Climate Change Is the New Zombie Apocalypse: Who Will Get Hit the Hardest and How to Prepare

In any post-apocalyptic survival scenario, it pays to be prepared. Climate change may be a zombie-level existential threat, and the best time to act is right now. Prepare yourself for the worst-case scenario with these climate change preparedness strategies.

50 Interesting Facts About Earth

One of the most surprising facts about the Earth is how we easily forget that what an amazing and interesting planet we live on. As Carl Sagan pointed out, “It’s home, it’s us”. It is the only world known planet to support an atmosphere with free oxygen, liquid water on the surface, and, perhaps this is the […]

Top 15 Largest Birds in the World

Birds (Aves or avian dinosaurs) range in size and weight from the 5 cm (2 in) and 1.6-2 grams bee hummingbird to the 2.75 m (9 ft) and 104-156 kg (229-344 lbs) ostrich. Here are the top 15 largest bird species in the world (by body weight). Birds form one of six basic animal groups, […]

Rainforests of the World (Infographic)

Rainforests are the oldest living ecosystems and without a shadow of a doubt, the most vital habitats on Earth. They cover only 6% of the Earth’s surface but yet they contain more than half of the world’s plant and animal species. According to the current estimates, around 40% to 75% of all biotic species are indigenous Notes 1 […]

NASA Has Published Statistics About the World’s Sandy Beaches

NASA has published some interesting statistics about the world’s sandy beaches on Earth Observatory webpage. According to the images taken by Landsat satellites Notes 1 (Landsat 5 and Landsat 8 Notes 2, 3), about 31 percent of the world’s coastlines are sandy. Africa has the highest proportion of sandy beaches (66 percent) and Europe has the lowest […]

Top 18 Largest Islands on Earth

An island or isle is any piece of sub-continental land that is surrounded by water. It is believed that there are over 100,000 islands in the world. It’s difficult to put a figure to the exact number as there are different kinds of them in various water bodies including oceans, seas, lakes, and rivers. There […]