Jet Pack

Liquid nitrogen combines with ping pong balls to explosive effect.

Kevin and his team make it rain fire and create a fire tornado.

At HowStuffWorks, boss Steve invites a man with alien hand syndrome for an interview. The hand holds a grudge against Josh, and Jeri catches it all on camera. During the podcast the guys cover brain anomalies and disorders.

Josh and Chuck go on a police ride-along, but find t's nothing like on TV -- and nearly end up in the slammer. Meanwhile Steve considers adding a high-profile host to their podcast. The guys podcast about crime scene investigation.

At HowStuffWorks, construction stirs a bee hive. Chuck stands his ground despite being allergic, and Steve adopts a bee colony managerial style. During the podcast the guys cover hive intelligence, bee aggression myths and colony collapse.

At HowStuffWorks the star pitcher of their softball team gets injured, so Josh & Chuck attempt cloud seeding to rain out their next game. During the podcast the guys cover weather modification, from the space sun shade to using hurricanes as weapons.

At HowStuffWorks, concern over a common office cold turns to hysteria after news gets leaked about a local case of flesh eating bacteria. During the podcast the guys cover humanity's battle against bacteria and germ control

At HowStuffWorks, Josh and Chuck use a company-wide time capsule initiative to settle an old bet on time travel, getting physicist Michio Kaku tangled in the scheme. In the podcast, the guys cover time paradoxes and causal loops.

At HowStuffWorks, Josh & Chuck's topics are being covertly stolen. Though all the intel points to a rival podcast, a fog of cold war era suspicion invades the HSW office. During the podcast the guys cover spy recruitment, gadgetry and misinformation.

Kent's sleepwalking puts an embarrassing smudge on Steve's HSW growth plans, so Josh and Chuck do an amateur sleep study to find a cure. In the podcast the guys cover sleepwalking behaviors, sleep hacks and sleep deprivation.

At HowStuffWorks Josh & Chuck get a chance to visit an elite space design lab. Things turn bad when Chuck's rival John Hodgman arrives and Josh's desire to meet Elon Musk cuts the visit short. During the podcast the guys cover privatization of space.

At HowStuffWorks, it's new boss Steve's first day. She wastes no time changing everything, including swapping the coffee machine for a robotic one with a spying eye. In response, the guys podcast about artificial intelligence.

A love of random knowledge finds Josh and Chuck success as podcasters. As they explore Body Dysmorphic Disorder and real zombies, boss-lady Steve’s appetite for promotion ignites self-image issues and threatens their street cred.

In 1956, an astronomer investigates a possible botched US Navy experiment.

Did Nikola Tesla test a weapon that devastated a remote area of Siberia?

A 19th century Italian scientist attempts to resurrect a human corpse.