Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

☀️ How has S.D. County changed? ️ Valentine’s Day dining ⚾ Photos: Padres FanFest 🛒 Amazon Fresh closing 🖼️ Banksy art exhibition The city filed a lawsuit alleging the Trump administration is using ...