A waje, tsoffin halittun dabbobi masu rarrafe sun yi kama da kura, amma sun kasance manya: girman su yakai mita 2-3, suna da wuyansa da wutsiya. A lokaci guda, dinosaur na farko ya motsa akan kafafu huɗu.

Masanan ilmin kimiya na tarihi ne suka tono ragowar Teleocrater rhadinus a shekarar 1993. Sannan ba su ci amfanida mahimmancin ba, banda akwai kaɗan daga cikinsu, waɗanda ba su sami damar yin nazarin su cikakke ba. Yanzu, masana kimiyya sunyi nasarar samo ƙari game da sifar dinosaur kuma yayi cikakken nazarin ƙasusuwa.

Ka tuna cewa a cikin hunturu na 2017, masu bincike daga Jamus sun tabbatar da cewa dinosaurs miliyan 65 da suka gabata sun kasance ƙarewa daga duhu da sanyi. Masana kimiyya sun ce, mutuwar dinosaur da kashi 75% na dabbobi a duniya ya faru ne sakamakon raguwar zazzabi da rashin hasken rana. Irin wannan yanayi ya taso ne saboda wani asteroid ya mamaye duniyar tamu kimanin shekaru miliyan 65 da suka gabata.

Yaya dinosaur yayi iyo?

Koyaya, a cikin 2007, masanan kimiyya sun sake yin tunani kan ka'idar da aka ƙi. Sannan, a cikin wuraren binciken narkar da dutse na garin Texas na Glen Rose, an gano sabbin dinosaur da suka rayu shekaru miliyan 110 da suka gabata. Kamar lokacin da ya gabata, jigon forelims bayyane ne a farfajiyar duniya, kuma legsafafun kafafun ba su taɓa ƙasa ba ko kadan, ko kuma suna yin matsi sosai. Masana kimiyya suna da tabbacin cewa sauropods ya ragu sa'o'in, saboda girman kwafin ya kai santimita 70.

Cigaban sauropods da aka samo a Texas

Tunda yana da wahala masana kimiyya suyi tunanin yadda dinosaur din zai iya tafiya akan kafafu biyu na gaba a doron kasa, sai su sake tunanin cewa suna iyo ne ta wannan hanyar. Bayan haka, yana iya kasancewa cewa, ƙetara koguna da tabkuna, sauropods sun huta da kawunansu a ƙasa har ƙasa, a hankali suna samun saurin sauri? Kuma gaskiyar cewa wadannan dinosaur ba 'yan amshin shata ba ne, a zahiri, baya caccaka da kasancewar wannan zato. Bayan haka, ana kuma daukar giwayen dabbobin ƙasa ne, amma wannan baya hana su hayewa cikin wuraren shakatawa mai nutsuwa.

Idan kuna sha'awar labarin kimiyya da fasaha, biyan kuɗi zuwa tasharmu ta Telegram. A can za ku sami sanarwar sababbin labarai na rukunin yanar gizon mu!

Gabaɗaya, ana amfani da sauropods ɗaya daga cikin mafi ban sha'awa ga binciken dinosaurs. Masana binciken burbushin halitta sunyi imani da cewa girman jikinsu ya kare su daga masu hasashen, saboda yana da matukar wahala a cutar da wannan babbar halitta. Amma tare da girman sa, sauropods kuma sun cutar da duniyar, saboda sun cinye ciyayi da yawa. Kawai tunanin cewa irin waɗannan dabbobi sun bayyana a cikin kurmi mafi kusa kuma sun fara cin bishiyoyi - bayan fewan makonni, ƙyamar buhun itace kawai zai iya kasancewa daga bishiyun.

Labaran da suka gabata

Masu sharhi na GlobalWebIndex, tare da Universal Music da Spotify, sun gano cewa yawancin masu amfani suna sauraron kiɗa akan layi. A lokaci guda, kawai 13% na masu amsa suna biya don sauraro. Kwararrun sun yi hira da kusan mutane dubu 57 wadanda shekarunsu bai wuce 16 zuwa 64 ba.

Wani sabon dama ya bayyana a shafin Twitter. Sabon fasalin yana buɗe kayan aikin musamman waɗanda ke ba kowane kamfani rajista a cikin hanyar sadarwar zamantakewar don ƙirƙirar bots don dacewa. Bot zai iya aikawa da karɓar sanarwa ta hanyar sabis.

Babban jami'in Huawei Eric Xu ya ce bai ga batun amfani da wayoyin salula a duniyar nan ta zamani ba, wacce ke ambaliya da wayoyin komai da ruwanka. Ya lura cewa yana da matukar wahala a gare shi ya fahimci me yasa ake buqatar agogo mai kwakwalwa a yayin da kowa ke da wayoyin komai da ruwanka, ya kuma kara da cewa shi kansa ba zai taba yin wannan kayan ba. Eric Xu ya ce a duk lokacin da.

AnTuTu ya wallafa wayoyin komai da ruwan ka waɗanda suke ba da mafi kyawun aiki a farashinsu. Wannan ƙimar yana nuna yanayin a ƙarshen Maris 2017. Jagoran darajar ya rage shine Lenovo Zuk Z2, wanda aka sanye shi da tsarin Snapdragon 820 guda-ciki, 3 GB na RAM da 32 GB na ƙwaƙwalwar filasha, kuma farashinsa kusan $ 170. Wuri na biyu.