The levels of nucleic acids are enhanced in the blood of individuals affected by certain diseases. This understanding can be used for non-invasive diagnosis of neurodegenerative diseases, cancers, genetic conditions in the fetus, and neurological disorders. In this article, Ambika Kurbet gives an overview of the use of cell-free circulating DNA in diagnosis.

Intrigued by the rich flora and fauna in the campus of the Indian Institute of Science, Bengaluru and the nearby forests of the Western Ghats of India, researchers from the institute examine the complexities of mutualistic relationships in nature.

How do bacteria develop antibiotic resistance (ABR)? What are its consequences to human health and economy? What are the factors that contribute to the rise in ABR? Have any steps been taken to combat this global crisis? How do we promote awareness amongst people? In this article, Mousumi Saha addresses these questions.

From RT-PCR to rapid antibody kits to sewage surveillance - It is easy to become confused by the variety of different tests currently available for COVID-19. In this article, Somdatta explains the different ways in which each of these tests work, the pros and cons of each method, and the nuances involved in interpreting the results obtained from each of these tests.

The COVID-19 pandemic, while affecting the lives and work of scientists all over the globe, has also enabled an outpouring of generosity and innovation when it comes to rapid and open sharing of research outputs. During the International Open Access Week 2020, we examine some of the initiatives taken by various national and international organisations to improve global access to COVID-19 research.