It's unclear whether or not they help people quit real cigarettes.
The May 2015 issue is here
Our editors scrounged up some truly bizarre facts.
One mad cow rattles America. An index of facts and fears.
Our poetic editors present breaking science news, now in metered rhyme
When it comes to matters of the heart, big is usually better.
Rapid evolution could lead to "lethal mutagenesis" and kill off pesky viruses
On command, Daddy's Girl Rose Etta II burns down--and burns through 800 gallons of propane.
A new device that tests for as many as 10 drugs in less than 5 minutes.
You guys put up shields, right?
You seriously have no idea how many more sharks are killed by people than people are killed by sharks.
Implantable electroshock therapy eases depression.
Researchers have been programming peoples' immune systems to recognize and destory cancer.
A tan that works, and won't kill you slowly.
A new drug could foil any outbreak
And cigarette smokers get a free mutation in every pack