Think a stroll through the neighborhood park does wonders for your mood? Sure, any kind of nature is better for physical and mental health than being stuck indoors, but according to new research, it's the type of natural biodiversity that makes a huge difference in how your brain feels afterward. The scientists found that spending time with a diverse range of trees, plants, water features, and wildlife can make us feel significantly happier and calmer than manicured green spaces. Urban mind A team of researchers at King's...