March-April 2014Volume 102, Number 2
A snorkeler off the coast of Isla Mujeres, Mexico, dives to get a close-up shot of a whale shark (Rhincodontypus). Despite its gaping mouth, this filter-feeding shark poses no threat to the diver. The whale sharkpopulation is thought to be in decline, but much of the creature’s behavior is still poorly known....
Darlene K. Taylor, Uddhav Balami
Designed polymers dodge body defenses.
Tim K. Davies
Snap-happy tourists can help researchers working to understand and conserve whale sharks.
Robert J. Wood
Paper folding inspires fabrication.
Powerful models show stellar births.
Eli Maor, Eugen Jost
Equations expose hidden aesthetics.
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Corey S. Powell
A review of The Cosmic Tourist: Visit the 100 Most Awe-Inspiring Destinations in the Universe!, by Brian May, Patrick Moore, and Chris Lintott
See all book reviews for this issue
FROM THE EDITORS
Podcasts, Slideshows, and Videos, Oh My!
A Path for Nuclear Power
A novel but tested technology, the pebble-bed reactor, can make fission energy safe.
Lee S. Langston
Little Interactions Mean A Lot
Noncovalent bonds are weaklings compared to familiar chemical reactions, but they add up to strongly influence the shape and behavior of molecules.
Impossible Points, Erroneous Walks
Botched representations of pencils and horses are not just irksome. They can lead to broad misperceptions about how mechanical systems work.
How much information does it take to single out one person among billions?
Invitation to an Insect Rendezvous
Artist Brandon Ballengée asks us to spend an intimate evening with bugs.
Leila Christine Nadir
Watching Earth Change
Satellite instruments document the transformations wrought both by the human footprint and by natural processes.
First Person: Exploring the Unconscious Brain
An interview with Nicholas Schiff about a continuum of brain activity.
Sandra J. Ackerman
LETTERS TO THE EDITORS
Long Live the Data!
SIGMA XI TODAY (PDF)
"Penguins are 10 times older than humans and have been here for a very, very long time," said Daniel Ksepka, Ph.D., a North Carolina State University research assistant professor. Dr. Ksepka researches the evolution of penguins and how they came to inhabit the African continent.
Because penguins have been around for over 60 million years, their fossil record is extensive. Fossils that Dr. Ksepka and his colleagues have discovered provide clues about migration patterns and the diversity of penguin species.
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