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VOLUME 102 | NUMBER 6 | November 2014

Curious Chemistry Guides Hydrangea Colors

Henry Schreiber

The blooms’ varied hues trace back to both soil pH and the right additives. Could different combinations produce new tints never seen in nature?

The Statistical Crisis in Science

Andrew Gelman, Eric Loken

Data-dependent analysis—a “garden of forking paths”— explains why many statistically significant comparisons don't hold up.

Postdoc Mentorship Can Launch Careers

Rachel Levy

With high stakes for jobs in science and math, mentors must provide postdocs with a recipe for success.

Clarity in Climate Modeling

Brian Hayes

Computational models are splendid tools for understanding the intricacies of climate. But can we understand the intricacies of the models?

Engineering Address

The Silent Underground

Neuron Art Influence

The Bright Side of the Black Death

Pat Shipman

The bubonic plague left its mark on the human population of Europe, showing that what doesn’t kill you makes you stronger.

Anonymous Design

Henry Petroski

In the season of presents, take some time to think about the people who developed the stuff that fills our everyday lives.

Cell by Cell, Life Appears

Catherine Clabby

Thin sheets of laser light illuminate the incredibly complex process of embryonic development.

Agriculture Is Reshaping the Avian Tree of Life

Katie L. Burke

Evolutionarily distinct bird lineages are more likely to go extinct in farms than forests, but diversifying crops could curb the loss.

Search for Brown Dwarfs

Fenella Saunders

An interview with astrophysicist Kevin Luhman about his life and research as a brown dwarf hunter.

Weighing the Kilogram

Paul J. Karol

Proposals to redefine this unit of mass and a related measurement, the mole, may be overlooking a clearer, simpler solution.

Candy Crush's Puzzling Mathematics

Toby Walsh

This simple game has deceptively difficult computational problems behind it, which might be why it’s so addictive.

The Evolutionary Truth About Living Fossils

Alexander J. Werth, William Shear

Appearances to the contrary, no species is exempt from selection, even when changes are difficult to detect in the fossil record.

Estrogen in Men

Erik Wibowo, Richard Wassersug

Estradiol, the most common form of estrogen, is often called a female hormone, but men produce it too. Insight about its role comes from unusual sources.

Tilling Tales

Dianne Timblin

Click to Enlarge ImageA brief review of A History of the Garden in Fifty Tools, by Bill Laws

The Men Who Sold the Moon

Corey S. Powell

Click to Enlarge ImageA brief review of Marketing the Moon: The Selling of the Apollo Lunar Program, by David Meerman Scott and Richard Jurek

Life Below the Ankles

David L. Hu

2014-11NightstandHuF1.jpgClick to Enlarge ImageA brief review of How Snakes Work: Structure, Function and Behavior of the World’s Snakes, by Harvey B. Lillywhite

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