Every four years, an extra day is added to the calendar, But even with leap day, the math doesn't exactly, well, math.

On Nov. 14, 2024, the Institute of Biomedical Problems (IBMP) of the Russian Academy of Sciences marked the successful ...

Day-to-day calendar (one that can be used again and again, in any year). 366 bite-size entries, with anecdotes, observations, fun facts, and other confections tied to a single song, perfect for ...

a year-long biomedical isolation experiment simulating the conditions of deep-space travel and lunar surface operations. For 366 days, a crew of six analog astronauts lived and worked in a sealed ...