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Finding diamonds is notoriously difficult‚ but a new discovery may have just made it that little bit easier. Research has shown that a much less sought-after gem contains clues that can tell us if diamonds are likely to be nearby‚ and it could speed up the process of finding them.“Diamond producers sometimes wish they were mining gold‚ copper or some other raw material‚ because nothing is as complicated as finding and mining diamonds‚” says Andrea Giuliani‚ Senior Scientist at ETH Zurich’s Institute of Geochemistry and Petrology‚ in a statement. “There’s no method that guarantees that you will find diamonds.”Rotten luck that humans have decided we want so many of them‚ then‚ but the pursuit of diamonds has turned up all kinds of interesting science. We’ve already worked out that diamonds are only ever found where a mineral called kimberlite is found‚ but that isn't even half the struggle.“Just looking for a kimberlite is like looking for a needle in a haystack‚” Giuliani explained. “Once you’ve found it‚ then the arduous search for diamonds really gets underway.”A diamond sticking out of kimberlite like this is considered a rare find.Image credit: ETH Zurich‚ Andrea GiulianiNow‚ it seems another mineral may have sped up the process as it’s been discovered that there’s a connection between olivine and diamonds. Olivine makes up around half of kimberlite rock‚ and it contains varying concentrations of magnesium and iron. It’s the composition of olivine that is crucial here‚ because it seems that olivine that’s packing more magnesium than iron is a good sign for diamond miners. For olivine to be high in iron‚ melt has to penetrate the mantle‚ altering the composition of the rocks and wiping out diamonds in the process. Olivine that’s low in iron and higher in magnesium hasn’t undergone this geological process (known as metasomatism)‚ and so the diamonds survive.So‚ high iron? You’re probably out of luck‚ bud. But high magnesium? You’re in diamond country‚ baby.De Beers provided the study with financial support and kimberlite samples‚ so they got early access to the results and are already using olivine analysis.Pieces of olivine separated from kimberlite.Image credit: ETH Zurich‚ Andrea Giuliani“Our study shows that diamonds remain intact only when kimberlites entrain mantle fragments on their way up that haven’t extensively interacted with previous melt‚” Giuliani concluded. “The great thing about this new method is not only that it’s simpler‚ but also that it finally allows us understand why the previous methods worked.”The study is published in Nature Communications.

Vladimir Putin began his much-anticipated interview on Thursday night by offering a more than 30-minute‚ counterfactual history lesson to a bemused Tucker Carlson. The former Fox New host’s interjections (how is this relevant‚ Mr President?) were swiftly shot down by the Russian leader: “Are we going to have a serious talk or a show?” Putin’s show‚ it seemed. Beyond the foray into the Russian president’s version of the eighteenth century‚ here are the five key and most...

ormer Fox News host Tucker Carlson on Thursday released his controversial interview with Russian President Vladimir Putin‚ who took the opportunity—his first interview with a western journalist since Russia invaded Ukraine nearly two years ago—to defend Russia’s war‚ arguing Moscow has a historic claim to the eastern European country‚ as Carlson faces heavy pushback for giving Putin the platform. In a two-hour interview released Thursday night‚ Putin defended Russia’s invasion of Ukraine‚...

Russian President Vladimir Putin gave a more than two-hour interview to former Fox News host Tucker Carlson that was released online Thursday‚ covering a variety of topics‚ from Ukraine to the Russian economy‚ but breaking little new ground. Putin told Carlson that Russia has not achieved its war aims in its widely condemned invasion of neighboring Ukraine‚ and he began the interview with a roughly 20-minute-long‚ mostly uninterrupted‚ speech about history that included...

Music helped the actor through some hard times. The post The Police song Robert Downey Jr deems an all-time favourite first appeared on Far Out Magazine.