Table of Contents June 2011

Discover Magazine's mission is to enable readers to lead richer lives by explaining and expanding their universe.  Each month we bring you in depth information and analysis from various topics ranging from technology and space to the living world we live in.
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Nothing that enters a black hole ever comes out. But one astrophysicist has stepped inside and created striking visualizations of passing the event horizon, carried on a waterfall moving faster than the speed of light.
Climatologists fear global 
temperatures may be reaching 
a dangerous tipping point. 
Can humanity handle the heat?

An ancient harbor on 
the Red Sea proves 
ancient Egyptians 
mastered oceangoing technology and 
launched a series of 
ambitious expeditions 
to far-off lands. 

A corporate executive, an environmental engineer, an evangelical-
Christian scientist, and a youth organizer join NBC moderator Tom Brokaw for a spirited debate on solutions to climate change.
The urge to eat too much is wired into our heads, in several complicated and overlapping ways. Tackling obesity may require bypassing the stomach and short-circuiting our brains.


Scientists have traced chronic pain to a defect in one enzyme in a single region of the brain. Could this be a decisive turn in the battle against pain?
NASA's about to take a long break from manned flight, but job opportunities for astronauts are looking better than ever.
NASA’s Messenger spacecraft recently completed a seven-year journey and settled into orbit 
around Mercury. Over the next year Messenger will capture 75,000 images of the sun’s nearest neighbor and help scientists understand the planet’s many intriguing quirks.
When it comes to spent nuclear fuel, no solution is perfect—but the U.S's dry casks are pretty tough.
Sheila Nirenberg hopes to cure blindness by combining an artificial eye, gene therapy in the brain, and some skillful translation between them.
An old Vital Signs column helps solve the mystery of a man who slipped into and out of strange altered states.
Indiana Jones and Avatar head to the museum, math collides with biology, and the hippies save physics.
A backward march of audio quality has left 
us listening to tinny, stripped-down MP3s. It’s time to show the kids what they are missing.
How a broken heart can really break your heart, violent games can ease your stress, and the lowest-stress job around.


With global temperatures rising, British Columbia is taking aggressive action to protect one of its most valuable natural resources—timber forests—from shifting climate zones.
It rolls, unfolds, inflates, and habitates.
Physicist Brian Greene explains how properties at the black hole’s surface—its event horizon—suggest the unsettling theory that our world is a mere representation of another universe, a shadow of the realm where real events take place.
The modern solar panel is 
woefully inefficient, converting 24 percent of sunlight's energy into electricity, at best. Mother nature can do much better, owing to 3 billion years of hard-won evolution.
Even tiny nerves obscured by trauma or disease would be hard to miss if they glowed neon green.