Washington [US], October 15 (ANI): A new research has shed light on one of the reasons why animal evolution accelerated millions of years ago and according to scientists it is the wild fluctuations in the oxygen levels a billion years ago that could be held responsible.
Sriharikota (Andhra Pradesh) [India], Aug.28 (ANI): Indian Space Research Organization (ISRO) chairman A. S. Kiran Kumar on Sunday lauded the successfully test of the scramjet, an engine that takes atmospheric oxygen to burn engine fuel, from the Satish Dhawan Space Centre, Sriharikotta in A