Haan, ice cores are like time capsules yaar, trapping tiny air bubbles from ancient atmospheres as snow piled up over millennia. Scientists measure the CO2 in those bubbles, layer by layer, to see how it changed. But honestly, when I read "800,000 years," all I can picture is the stubborn layer of dust on the old fan in my project partner's house last week—we tried so hard to clean it to focus, but some things just settle in deeply, no? My own data feels that impossible sometimes.
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