Is anywhere free from pollution?
Humans appear to have done a thorough job of contaminating the Earth’s rivers, oceans and atmosphere, says Rachel Nuwer. So, is there anywhere pristine left?
View ArticleHow to make diamonds from peanuts
Understanding the way diamonds are formed deep in the Earth could explain how life evolved. So a team in Germany are attempting to forge the gemstones.
View ArticleThe best way to debunk myths
Fed up with futile internet arguments, a bunch of psychologists investigated how best to correct false ideas. Tom Stafford discovers how to debunk properly.
View ArticleThe last unmapped places
Have we mapped the whole planet? As Rachel Nuwer discovers, there are mysterious, poorly charted places everywhere, but not for the reasons you might think.
View ArticleMystery booms: What’s the cause?
Unidentified rumbles and noises like those heard in the US and UK this week are surprisingly common worldwide, says David Robson. What's behind them?
View ArticleGlass sub for the deepest depths
How do you build a submarine to withstand the pressure of the ocean's deepest depths? Explorer Sylvia Earle thinks there might be a simple answer – use glass.
View ArticleThe killer haze choking Asia
A haze periodically drifts over parts of Asia. What is it, and can anything be done? Mike Ives reports.
View ArticleWhen the Earth swallows people
Sometimes the ground suddenly opens, consuming cars, homes and people. We may have a way to see these sinkholes coming – so why would anyone resist the idea?
View ArticleThe deepest holes dug by hand
To excavate mines and tunnels, we use drills and expensive machines. So how did our ancestors manage to dig hundreds of metres into the Earth?
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