Summer started this morning at 12:24 EDT - here's some solstice science, history, poetry and music. Related: Fridgehenge: to celebrate the solstice, British guy recreates Stonehenge using old refrigerators.
Hawaiian Style: The History of the Aloha Shirt.
How to Have a Healthy Summer: Advice from 1656.
You've Got Quail: Why Thousands of Rural Mail Carriers Count Roadside Wildlife Every Year.
How Cats Used Humans to Conquer the World.
ICYMI, Friday's links are here, and include the science of whiskey flavors, the anniversary of Waterloo (with a Lego re-enactment), the art of Soviet children's literature, and, for Father's Day, a selection of parenting advice from Homer Simpson.