Behold the power of the Sun, at its peak on winter solstice

Sunlight does great things for us, how can we make sure we don't lose the connection? For our ancestors, the sun was the creator and destroyer of life. Here, writing in Aeon magazine, author and science journalist Linda Geddes sheds the security of central heating and electric lights, on the shortest day of the year, and witnesses the sun - in all its power.