Your body isn’t broken. It’s protective. That stubborn fat you can’t lose? The constant fatigue? The bloating, cravings, mood swings? It’s not a willpower problem. It’s a nervous system problem. Your body’s job isn’t to make you skinny — it’s to keep you alive. And when stress is constant, your body holds on tight. To fat. To energy. To safety. Because it doesn’t know the difference between a toxic job a chaotic schedule a low-carb crash diet and a literal emergency. Your nervous system is the C

The Hubble constant, explained

T/F: The cosmological constant makes the universe accelerate.

What is the cosmological constant?

Dark energy may not be constant—this discovery could undermine our entire model of cosmological history