A long-term study finds that these rhythms align at certain times of women’s lives, shedding new light on the controversial idea that lunar phases influence human reproduction.
Two studies show that Plasmodium—the genus of protozoans that cause malaria—have an internal sense of time that synchronizes with their host’s circadian rhythms and allows the parasites to collectively attack blood cells.
In Drosophila, the tissue is more permeable to drugs at night, offering a possible explanation for why some medicines work better at certain times of day.