Is it possible that jellyfish are slowly taking over the world’s oceans? The idea seems like the plot of an old B-list science fiction movie, but reports of population explosions around the world for these creatures have made headlines for much of the last decade. Studies throughout the last decade have supported these claims, many of which have suggested that human-related activities, such as over-fishing, eutrophication, and climate change, have contributed to these increases.

The Food and Drug Administration approved the first drug for the prevention of HIV infection in July, although conditionally, requiring the manufacturer to run more tests. The AIDS Healthcare Foundation (AHF), the largest AIDS organization in the world, called this decision “reckless,” claiming these requirements are not enough to prevent drug-resistant strains from emerging.