biology How Natural Selection Works: Group Selection And The Free-Rider Problem Note: This is part one of a three-part series on the finer details of natural selection. I realised recently that I didn't really understand how natural selection worked. I'd learned in school that natural selection was about the survival of
books What's Better On Audio? I 'read' most books as audio these days, primarily on Audible. Most of us have sedentary lifestyles – I probably spend between eight to ten hours a day sitting or standing in front of a screen for work. I enjoy reading but to
shower-thought Jams Are Fruit Batteries Here's a silly thought: Solar panels convert sunlight into electricity. But sunlight isn't always available -- when the sun sets electricity from your solar panels runs dry. You need batteries to store solar energy when the sun is shining, and