Cover art _ created with Adobe Photoshop CC, illustrating the article series: epidemics and vaccination.

Letter from the Editor and Table of Contents

Best article of the issue: negative absolute temperature. The order of articles is determined by a point system used to evaluate each article

Start of the article series: epidemics and vaccination. This article deals with the ebola virus

History and future of HIV and AIDS

Vaccination and smallpox

Flu and influenza

the history on development of vaccines

[physics] Personal Air Vehicle

[chemistry] 2014 Nobel Prize in chemistry

[chemistry] history of chemical leakages. Note the timeline infographic on the history of chemical leaks

[physics] current technologies on swimsuits

[physics] nuclear energy

[physics] applications of osmosis

[physics] technology on sea water purification

back cover with the letter V, for Verumdico, with the crew list