Fossil fuels are still a large source of electricity, but California has made progress with renewables while keeping the lights on. Continue

A new estimate finds that more than half of the world’s population drink unsafe water — double what we had thought.  Continue

Animal apocalypse: Deadly bird flu infects hundreds of species pole-to-pole Continue

When your mind is wandering, your brain’s “default mode” network is active. New research is revealing the default mode's role in memory, social awareness and sense of self. Continue

Scary: Many comatose people are conscious. A study of around 240 people with brain injuries who are physically unresponsive found that one quarter were actually conscious Continue

Monkeypox is a global health emergency — again. Several versions of the deadly virus are now circulating, and cases are rapidly rising across Africa Continue

Some people seem to choose when they want to die, often after a milestone event. According to a hospice professional, it's more common than we might think. Continue

A computer algorithm has achieved a 98% accuracy in predicting different diseases by analyzing the color of the human tongue. The proposed imaging system can diagnose diabetes, stroke, anemia, asthma, liver and gallbladder conditions, and COVID-19 Continue

Babbling babies need timely responses to learn language, social norms. New research shows the timing of others' reactions to their babbling is key to how babies begin learning language and social norms Continue