The Shared History Of The Chinese And Gregori...

Would you drink recycled wastewater? It could be a solution to the global water crisis. But not everyone is ready to jump onboard. They say it’s not technology that’s keeping more cities from recycling their wastewater, but psychology. Experts call this resistance “the yuck facto ...  Show more

Around the world, the planet’s freshwater is getting saltier. And it’s because of people. For decades, salting roads, fertilizer run-off and evaporation driven by human-caused climate change have upped the salinity of lakes, rivers and groundwater. All that salt is detrimental to ...  Show more

The new year approaches. But what if you had to learn a completely new calendar for the coming year? For about a dozen years starting in the late 19th century, France abandoned the Gregorian calendar for an entirely different one.

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The religious observation of Advent has shifted and changed through the years. But how did we get to a point where an Advent calendar is also a non-religious Christmas countdown with chocolates or other treats?

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The darkest nights of the year have long been the time for celebrations, from Yule and Mother Night, to Christmas and New Year's Eve. But where did these traditions come from? Who started kissing under the mistletoe? Why are trees decorated and brought into homes around this t ...

As we embrace resolutions and light up the skies with fireworks, it's time to mark the arrival of the New Year! All of us on the Do You Really Know team, hoping you soaked in the holiday vibes and send you our warm wishes for a splendid 2024. Today, planet Earth has set off on an ...  Show more