George Knapp shares some online items that have recently caught his attention, including a summary of new research on how human activities may have destabilized the planet, a piece examining the history of dog-headed men, a video that takes a look at how space travel may alter human evolution, and a website which houses the Project Blue Book UFO files:
Scientists: Human activity has pushed Earth beyond four of nine 'planetary boundaries'
"There Could be At Least Two Unknown Planets Hidden Well Beyond Pluto"
Dog-Headed Men: Truth Behind the Legend?
Video: Future Human Evolution During Space Travel And What We Might Look Like
'Dreamings' and place – Aboriginal monsters and their meanings
Project Blue Book Collection