‘Riboswitches’ like the name suggests are like on and off switches for genes. These are present in all living things, from the smallest bacteria to the largest trees. Scientists from the Indian Institute of Science Education and Research, Kolkata have sequences the genomes of 2785 bacteria to understand their function and origin.
New research reveals that a unique Indian skink species arrived on the subcontinent by rafting across the ocean from Southeast Asia millions of years ago, a journey made possible by fluctuating sea levels.