Top 20 Countries having the most number of UNESCO World Heritage Sites (2019 Update)

There are a total of 1092 UNESCO World Heritage Sites in the world (as of January 2019: 845 Cultural, 209 Natural and 38 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 […]

We are heading for a New Cretaceous, not for a new normal

A lazy buzz phrase – ‘Is this the new normal?’ – has been doing the rounds as extreme climate events have been piling up over the past year. To which the riposte should be: it’s worse than that – we’re on the road to even more frequent, more extreme events than we saw this year. […]

Video: NASA Balloon Mission Captures Rare Electric Blue Clouds

An amazing video: a recent NASA long-duration balloon mission observed a thin group of seasonal electric blue clouds which are known as noctilucent clouds or polar mesospheric clouds (PMCs). Forming 50 miles (80 km) above polar regions in summer they are Earth’s uppermost clouds and only visible around twilight. PMCs are composed of ice crystals that glow bright […]

Watch: The Man Who Flies With Migrating Birds

Using a two-seater ultralight aircraft built by himself, Frenchman Christian Moullec flies with migrating birds since 1995. In that year, dubbed the “birdman“, Moullec, saw that lesser white-fronted geese were struggling with their migration from Germany to Sweden. Inspired by the work of the famous Austrian ethologist Konrad Lorenz Notes 1, known as “the man who […]