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Energy & Sustainability
Water Scarcity and the Private Sector
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Evolution
![The Beguiling History of Bees [Excerpt]](http://www.scientificamerican.com/sciam/cache/file/1456C0F1-BC4D-498E-A391671965FD1051_small.jpg)
The Beguiling History of Bees [Excerpt]
The first bees existed around 130 million years ago at a time when our own ancestors were small, ratlike creatures
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Environment
Good Friday Quake in Mexico City Tested Region’s Preparations for Bigger One
The city’s unusual geology allows engineers and seismologists to rely upon exceptional safety measures -
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Society & Policy
U.S. Puzzles Over What to Do about E-Cigarettes
Federal regulators propose new rules to answer long-burning questions about e-cig -
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More Science
Reprieve for Men: Y Chromosome Is Not Vanishing
Alarming shrinkage has stopped, researchers say, because the Y is a bastion of elite genes that play vital roles throughout the body -
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Technology
As Drug War Rages, Tweets Reveal Mexicans’ Emotional Numbness
Tweets from citizens on the front lines of the country’s conflicts with drug cartels indicate desensitization to the growing violence -
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Virtual Doctor Visits Gaining Steam in “Geneticist Deserts”
Genetic experts are eyeing computer Webcams and videoconferencing to assess patients in Alaska and other remote places -
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Ecology
![Cull Kill Includes Small Tiger Sharks along with Intended Victims [Video]](http://www.scientificamerican.com/sciam/cache/file/D3C21D80-5B8F-4582-B66CED2ED3A91413_small.png)
Cull Kill Includes Small Tiger Sharks along with Intended Victims [Video]
Photos from Australia's controversial shark extermination show that released tiger sharks are also dying—both from the stress of capture and improper handling -
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Animals with Human Rights Make Researchers Run Scared
Legally, dogs and cats are moving closer to personhood. A new book says this poses problems for biomedical researchers and veterinarians -
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Could an Oral Measles Drug Help the Unvaccinated?
A medication designed to inhibit measleslike virus in infected ferrets shows promise -
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Technology
Heartbleed Software Snafu: The Good, the Bad and the Ugly
The ramifications from the years-long security hole are both better and worse than we initially thought -
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Space
Bloody Moon and Planet Align: Photos from Readers
A total lunar eclipse on April 15, 2014, was captured by Scientific American readers around the globe -
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The Overlooked Influence of Kathleen Sebelius
The head of Health and Human Services oversaw a pandemic flu response, the expansion of Medicaid—and, yes, the flubbed Obamacare Web site rollout -
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Space
Catch a Total Lunar Eclipse Sidling Up to Mars—and Send Us Your Photos
A total lunar eclipse will coincide with Mars's closest approach to Earth, offering stargazers an unusual show -
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Hunger Gains: A New Idea of Why Eating Less Increases Life Span
Researchers propose a new evolutionary reason for why many underfed lab animals live longer -
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Energy & Sustainability
How to Solve Global Warming: It's the Energy Supply
Carbon storage has to expand rapidly, or coal burning has to cease, if the world is to avoid dangerous climate change -
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Our Furry Friends Now Are Shaped by Biotechnology
Author Emily Anthes discusses her book Frankenstein's Cat: Cuddling Up to Biotech's Brave Beasts, out this week in paperback -
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Technology
The "Heartbleed" Internet Security Flaw: What You Need to Know
Here is what you need to know to understand the problem and how to respond -
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Space
Exotic Space Particles Slam into Buried South Pole Detector
The IceCube experiment has taken hits from three neutrinos carrying energies above the outlandishly high peta–electron volt range that suggest they may radiate from titanic explosions in the depths of space
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Space
Dark Matter May Be Destroying Itself in Milky Way’s Core
Excess gamma-ray light at the galactic center may indicate invisible dark matter particles
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