Universality in the emergence of oscillatory instabilities in turbulent flows Induja Pavithran, Vishnu R. Unni, Alan J. Varghese, R. I. Sujith, Abhishek Saha, Norbert Marwan and Jürgen Kurths EPL, 129 2 (2020) 24004 Published online: 24 February 2020 DOI: 10.1209/0295-5075/129/24004