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Syndication

Mon, 15 January 2024
Norteko Ferrokarrilla/2024-01-12/Txipiroiaren tinta milioika urtetan

Txipiroiaren tintarekin idatz daiteke. Eta marraztu. Melanina pigmentua du kontzentrazio handietan, eta horri esker kolore beltz urdinska dauka, nahiz eta agian ez da existitzen den tintarik onena. Bitxikeria bat: duela 160 milioi urte bizi ziren txipiroien tinta ere, gaurkoen tintaren berdina da.  

Direct download: NFXXVIII-19c.mp3
Category:science -- posted at: 4:19am EDT