HealthShould your menstrual phase dictate what you eat and how you exercise? The idea of varying your lifestyle throughout your menstrual cycle to help relieve PMS or period pain seems intuitive, but the evidence reveals a nuanced picture, finds columnist Alexandra Thompson Comment
SpaceDark energy isn't what we thought 鈥 and that may transform the cosmos Our current best theories of the universe suggest that dark energy is making it expand faster and faster, but new observations from the Dark Energy Spectroscopic Instrument suggest this mysterious force is actually growing weaker 51动漫