Ukukhanya Okumnyama KweLanga Laphakathi kwamabili nguCecilia Ekbäck
Yonke into ephilayo ingaphansi kwesigqi se-circadian, esisungulwa amahora okukhanya nobumnyama bobusuku. Kodwa-ke, izilwane ezihlala ezindaweni eziseduze nezigxobo, lapho umphumela welanga laphakathi kwamabili kwenzeka, zazi ukuthi zingajwayelana kanjani nalokhu ...