For some, tickling can produce laughter through an anticipation of pleasure. For others, tickling is incredibly uncomfortable and can send a person’s mind into a state of panic. Today, we explore the science behind tickling.

An artificial gill is a device humans could use to extract oxygen from water for breathing. Such a device would be invaluable as air supply would be essentially unlimited. Unlike rebreathers and tanks which eventually run out of air, scuba divers could emulate fish and stay underwater potentially forever.

Easter is the Christian holiday which celebrates Jesus’s resurrection. Children enjoy treats brought by the Easter Bunny, coloring eggs and often enjoying some time off school as many school’s spring breaks are scheduled around this time. Where does the Easter Bunny come from, and what does it have to do with Jesus?

Warp drives, commonly used in science fiction, are propulsion systems which allow space craft to travel faster than light. The most notable usage of warp drives is probably in the Star Trek universe. But what are warp drives and how do they work?

With the recent explosion of extrasolar planet discoveries, some relatively nearby, astronomers and space enthusiasts wonder how habitable some of these planets would be for humans. Just don’t forget about gravity…