The Real Story on Gay Genes
Homing in on the science of homosexuality—and sexuality itself
Your Body Is a Planet
90% of the cells within us are not ours but microbes'.
Sweeping The Ocean Floor
Strange sea creatures caught on film for the first time
Microscopy Approaches Fundamental Limits
If God can’t pin down tiny atoms, what hope do mere mortals have?
Soul Search
Will natural science pin down our supernatural essence?
Newsflash: Time May Not Exist
Not to mention the question of which way it goes...
The First Nuclear Refugees Come Home
Chernobyl-area natives return to find a city of ghosts.
Journey to the Center of the Earth
A probe might reveal what's happening at the core.
Everything on Earth Is in the Air
Cosmic dust, cockroach parts, chloroform—you name it
Everything Emits Radiation—Even You
The millirems pour in from bananas, bomb tests, the air, bedmates...
How Radio Changed Everything
Three revolutions have come via the airwaves.
The Ceaseless Buzzing of Kinetic Energy
If heat were visible, we’d see a lot of frenzied motion.
How Much Does The Internet Weigh?
Discover puts the online world on the scale.