Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
"Terrifying, paranormal, and ungodly," is how artist Nicolas Bruno describes the visceral hallucinations that he has every night due to a condition called sleep paralysis. Step by step, he recreates his nightmares in photography using fire, water, swamps, and a broken bed or two.
The curious people at Mashable explain how science affects our daily lives. From the chemistry of cilantro to why we fear of clowns, you'll always learn something new.
