Our brain and eyes can play tricks on us—not least when it comes to the expanding hole illusion. A new computational model ...
ANSWER: “Floaters” are bits of cellular debris in the vitreous humor, which is the gel-filled space in between the lens and ...
In the depths of the north Pacific, long wriggling creatures were caught up in the trawl of a research vessel off the coast of Russia. The animals were brought to the surface, their elongated bodies ...