Životinja koja pravi kocke
Wombats are the only known animal to produce cube shaped droppings, and the corners are formed by uneven stiffness in the last part of the gut.
Before you read
Before you read
Jedna životinja stvara kockasti izmet. Pošalji ovo nekome tko misli da priroda nema smisla za humor. U Australiji živi niska, teška, dlakava životinja zvana vombat. Kopa duge tunele, cijelu noć jede travu, i za sobom ostavlja male uredne kocke.
Godinama nitko to nije mogao objasniti. Uglove je teško napraviti. Kod svake druge životinje na planetu, mekane stvari koje izađu iz tijela izlaze okrugle ili duguljaste. Zato su znanstvenici pomno pogledali unutar vombata i pronašli odgovor u posljednjem dijelu njegova crijeva.
Taj dio nije isti cijelim putem. Neki dijelovi stijenke su kruti i stišću jako i brzo. Drugi dijelovi su mekani i jednostavno se rastežu. Kruti dijelovi utiskuju uglove, iznova i iznova, dok se oblik ne učvrsti. Vombat zatim slaže gotove kocke na kamenje i trupce da drugim vombatima pokaže čiji je ovo teritorij. Okrugle bi se odmah otkotrljale. Kocke ostaju točno tamo gdje su stavljene.
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