There are a total of 1121 UNESCO World Heritage Sites in the world (as of January 2021: 869 Cultural, 213 Natural, and 39 Mixed) in 167 countries. 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 […]
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 […]
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 […]
After bushfires in Australia have destroyed 80% of their habitat, koalas, iconic symbols of Australia, are “functionally extinct”, according to reports. Australia is the only place in the world where koalas are found.
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.
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 […]
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 are from one of six basic animal […]
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 (see notes […]
NASA has published some interesting statistics about the world’s sandy beaches on the Earth Observatory website. According to the images taken by Landsat satellites (see notes 1) (Landsat 5 and Landsat 8, see notes 2 and 3), about 31 percent of the world’s coastlines are sandy. Africa has the highest proportion of sandy beaches (66 […]
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 […]