



A Russian procedure developed in the 1950s gave those with crippling disabilities hope—if they could handle the pain
By Mollie Bloudoff-Indelicato | Dec 27, 2012
Arguments over whether high-tech attire gives swimmers an unfair advantage have been waged for 80 years
By Rose Eveleth | Jul 30, 2012 | 5
Need something to watch? Automated machine-learning systems break movies apart to help you find the best films
By The Editors | Jun 20, 2012 | 10
Answer these 10 simple questions to find out if you benefit from being highly agreeable
By Daisy Grewal and Ingrid Wickelgren | Jun 15, 2012 | 6
May 16, 2012 | 14
Learn about the bacteria, fungi and other micro-organisms that maintain human health.
By Christine Gorman | May 15, 2012 | 13
By Christine Gorman | May 14, 2012
Apr 30, 2012 | 3
From the great ocean liner's construction to its sinking to its discovery on the ocean floor, the key moments in the Titanic's history. See our full centenary coverage here
By Rose Eveleth | Apr 9, 2012 | 3
Challenge your ability to juggle mental tasks with this interactive feature
Mar 16, 2012 | 5
Thirty years of struggle and research have led to dozens of treatments for HIV/AIDS--although both a cure and an effective vaccine remain elusive
By Christine Gorman | Mar 15, 2012
Whether gas, liquid or solid; radioactive or stable; reactive or inert; toxic or in your vitamin pill, the 118 building blocks each has its own chemically idiosyncratic characteristics--and certain commonalities. See what makes your favorite element unique on this interactive periodic table
By Davide Castelvecchi | Mar 13, 2012 | 21
A look back at Japan's nuclear crisis, initiated by a magnitude 9.0 earthquake on March 11, 2011
By Sarah Fecht | Mar 8, 2012 | 1
Visit the places that help us sense other people's feelings in this Scientific American MIND tour of the brain
By Ingrid Wickelgren | Feb 27, 2012
Learn how today's scientists are working to update people's perceptions of science, how it's done and who scientists are
By Mariette DiChristina | Feb 16, 2012 | 2
Our planet's littered orbital environs urgently need a concerted cleanup effort
By Kathy Jones , Krista Fuentes and David Wright | Feb 1, 2012 | 12
This primary season quiz tests your knowledge of the hopefuls' notable quotables on stem cells, evolution, climate change, the Internet and more
By Rose Eveleth | Jan 31, 2012 | 12
Dec 30, 2011 | 5
By Michael E. Webber | Dec 29, 2011 | 22
Visit the places that help you remember--and forget--in Scientific American Mind's tour of the brain
By Ingrid Wickelgren | Dec 23, 2011 | 15
And boost your social skills to boot
By Keith Oatley and Ingrid Wickelgren | Dec 9, 2011 | 40
By Ricki Rusting | Dec 5, 2011
How a spacecraft propelled by ion drives could deliver humanity deeper into space than ever before. Read more in our special report on deep-space exploration
Nov 30, 2011 | 6
By Ricki Rusting | Nov 22, 2011
Science aficionados have odd and surprising interests
By Mark Fischetti | Nov 16, 2011 | 27
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johnrplatt Leading wolf researchers oppose plan to remove Endangered Species Act protections nationally from @NRDC's blog: http://t.co/9lXxIBRymH
sciam Digital Fishers http://t.co/CmKRP0Nhef
sciam What Role Does Climate Change Play in Tornadoes? http://t.co/w6AeDClSyC
Deadline: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
Deadline: Jul 25 2013
Reward: Varies
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
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