By DOUGLAS M. MAIN
Yana da mahimmanci ku girmama manyanku, ana tunatar da yara. Da alama wannan yana zuwa ga bishiyoyi, kuma.
Manya, tsofaffin bishiyoyi sun mamaye dazuzzuka da yawa a duk duniya kuma suna taka muhimmiyar rawa na ayyukan muhalli waɗanda ba a bayyane suke ba, kamar samar da wurin zama ga ɗimbin halittu, daga fungi zuwa masu tsinke.
Daga cikin sauran ayyukansu masu yawa, tsofaffin kuma suna adana carbon mai yawa. A cikin wani shiri na bincike a filin shakatawa na Yosemite na California, manyan bishiyoyi (waɗanda ke da diamita fiye da ƙafa uku a tsayin ƙirji) suna da kashi 1 cikin XNUMX na bishiyoyi kawai amma suna adana rabin halittun yankin, bisa ga binciken da aka buga a wannan makon a PLoS ONE. .
Don karanta cikakken labarin da aka buga a cikin New York Times, danna nan.