Hot sauce is good for your health from Mental Floss
Take a virtual tour of Machu Picchu, one of the new 7 Wonders of the World from Open Culture
New discovery solves one mystery of Stonehenge’s construction from National Geographic
What Alzheimer’s feels like from the inside from Nautilus
TIME picks the best space photos of 2015 from Time
How Nikola Tesla predicted the smartphone from Time
This weekend, the Geminid meteor shower promises to be awesome from Popular Science
