Masana kimiyya sun dade da yarda cewa Fibonacci spirals wani tsoho ne kuma an kiyaye shi sosai a cikin tsire-tsire. Amma, sabon binciken ya ƙalubalanci wannan imani.
Tare da tazarar fuka-fuki mai tsayi har zuwa ƙafa 40 mai ban mamaki, Quetzalcoatlus yana riƙe da take don kasancewarsa mafi girma sanannun dabbar tashi da ta taɓa yin kyan duniyarmu. Kodayake ya raba wannan zamanin tare da manyan dinosaur, Quetzalcoatlus ba dinosaur kanta ba ne.
A cewar masana kimiyya, Duniyar sirrin dabbobi da tsirrai - gami da nau'ikan da ba a san su ba - na iya zama a cikin kogo masu dumi a ƙarƙashin glaciers na Antarctica.
Meganeuropsis permiana wani nau'in kwari ne da ba a sani ba wanda ya rayu a lokacin Carboniferous. An san shi da kasancewa ƙwari mafi girma da ya taɓa wanzuwa.
Kasusuwan da ke da shekaru 400,000 sun ƙunshi shaidar da ba a san nau'in nau'in nau'in halitta ba, ya sa masana kimiyya su yi tambaya game da duk abin da suka sani game da juyin halittar ɗan adam.
Abun dutse ya yi iƙirarin zama ɗan yatsan ɗan adam mai shekaru miliyan 100 yana haifar da shakku kan ra'ayin ilimin ɗan adam. Shin ana ba mu “bayanan da aka tace”? Shin waɗannan abubuwa da yawa game da tarihin ɗan adam na nesa an kiyaye su daga jama'a? Idan Tarihin mu duka ba daidai bane fa?