Applications for Top 5 under 40, an exciting initiative to discover a new generation of science thinkers and give them a voice, close on May 8.

ABC Radio National and the University of New South Wales are looking for outstanding early-career researchers, who are working in science, technology, engineering, mathematics and medical research,.

The 10 most promising science communicators will be shortlisted for interview by a panel of judges, and The Top 5 winners will undertake a two-week media residency in Sydney at Radio National.