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Climate Change Rescue in U.S. Makes Steyer Converge with Paulson
Fascinating story about the business impacts of climate change and former Treasury secretary Henry Paulson’s efforts to quantify them.
Kevin Bullis, senior editor, energy

Snapchat’s Next Big Thing: “Stories” That Don’t Just Disappear
Snapchat’s new “Stories” feature gives a longer shelf life to formerly ephemeral snaps by indexing them in a feed friends can access for 24 hours. Should Facebook be afraid of the competition?
—Kyanna Sutton, senior Web producer

How to Make a Jedi Lightsaber
A funny post that puts the recent talk of lightsabers in perspective, by the Guardian’s excellent science scribe, Ian Sample.
Will Knight, news and analysis editor

Why Are There Still So Few Women in Science?
A sometimes personal, sometimes depressing look at the hard-to-quantify issues that keep many women out of technical fields.
—Linda Lowenthal, copy chief

The Tech of Fashion: 10 Ways Technology Drives Tomorrow’s Fashion
Technology + fashion = A happy marriage.
—J. Juniper Friedman, editorial assistant

Welcome to the High-Tech Jail of the 21st Century
Grid security is important to national security. One of the most sophisticated smart grids in the United States—with fuel cells, pivoting solar panels, banks of batteries, and advanced communications technologies to run it all—can be found at the nation’s fifth-largest prison, where it saves $2.5 million a year.
David Talbot, chief correspondent

How the Shutdown Is Devastating Biomedical Scientists and Killing Their Research
A sad look at how the U.S. government shutdown is affecting biomedical research, as told first-hand by an anonymous government scientist.
Susan Young, biomedicine editor

The Woman Who Knows the NSA’s Secrets
Meet the Michigan blogger who has become an invaluable resource to experts trying to understand Edward Snowden’s leaks about NSA surveillance.
Tom Simonite, senior editor, IT

”It Was the Biggest Game of Chicken I’ve Ever Seen.”
Find out how David Karp built online culture powerhouse Tumblr, and why he doesn’t know if it can make money.
—Tom Simonite

Inside the Fall of BlackBerry: How the Smartphone Inventor Failed to Adapt
Long inside look at BlackBerry’s missed opportunities to gain a foothold in the post-iPhone world.
—Tom Simonite

The Nacho Dorito
How Doritos are engineered so you can’t stop eating them. Remarkable science! Here’s a nugget from the article: “Licking the dust from the fingers in its pure form, without the chip to dilute the impact, sends an even larger flavor burst to the brain.”
—James Friedman, director of advertising sales

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The Steiner tree problem:  Connect a set of points with line segments of minimum total length.
The Steiner tree problem:  Connect a set of points with line segments of minimum total length.

The 50-year-old problem that eludes theoretical computer science

A solution to P vs NP could unlock countless computational problems—or keep them forever out of reach.

section of Rima Sharp captured by the LRO
section of Rima Sharp captured by the LRO

The moon didn’t die as early as we thought

Samples from China’s lunar lander could change everything we know about the moon’s volcanic record.

conceptual illustration of a heart with an arrow going in on one side and a cursor coming out on the other
conceptual illustration of a heart with an arrow going in on one side and a cursor coming out on the other

Forget dating apps: Here’s how the net’s newest matchmakers help you find love

Fed up with apps, people looking for romance are finding inspiration on Twitter, TikTok—and even email newsletters.

ASML machine
ASML machine

Inside the machine that saved Moore’s Law

The Dutch firm ASML spent $9 billion and 17 years developing a way to keep making denser computer chips.

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Illustration by Rose WongIllustration by Rose Wong

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