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Steve Jobs, cofounder of Apple Computers who died this week, had a reputation as a passionate business leader and a modern folk hero. In 1999 one of Jobs's friends said, "He is single-minded, almost manic, in his pursuit of excellence." That's certainly a character trait we scientists can admire

Three brutal murders of Internet users shed light on Mexican narcogangs' monitoring of social media and the new dangers of blogging or commenting online in Mexico. In late September, police found the body of Nuevo Laredo resident Marisol Macias Castenada, a 39-year-old office manager for the city's Primera Hora newspaper, dumped on a bridge about a mile from the U.S. border

Biologist Elizabeth Blackburn grew up in Hobart on the Australian island of Tasmania.

The AccuWeather.com Long-Range Forecasting Team is predicting another brutally cold and snowy winter for a large part of the country, thanks in large part to La Ni

GPS is utterly useless for finding your wife or kids (or even locating yourself) at the mall. What we need is an indoor equivalent of GPS

In the spring of 2005, Steve Jobs gave the commencement speech at Stanford University . It had been a year since he had first been diagnosed with pancreatic cancer

By K. [More]

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Key concepts Physical science [More]

Bring Science Home At Scientific American , we appreciate the value of a good experiment. So in May, we launched Bring Science Home as a series of free science activities for parents to do together with their six- to 12-year-old kids. We made sure the activities would be fun and easy to do, so families could complete them in an hour or less and usually with items or ingredients they already had around the house.

For decades scholars and public health officials have known that people with greater income or formal education tend to live longer and enjoy better health than their counterparts who have less money or schooling. The trend holds true wherever researchers look--in poor countries or rich ones, in Europe, Asia or the Americas--but two notable exceptions stand out.

Last week a few of my twitter pals and I had a conversation about how we are proud to describe ourselves as ‘crazy’ and ‘ridiculous’. Sparked by Mark Changizi’s article at the Huffington Post on ‘What to do about all the crazy, ridiculous research ‘ out there, the general consensus was that sometimes what seem to be the most outlandish ideas are the ones that lead to the biggest advancements in science and elsewhere.

Editor's note: This story originally appeared in 2008. We are reposting a version of it in light of the death of Apple Computer co-founder Steve Jobs from complications from pancreatic cancer.

Steve Jobs, the co-founder of Apple , died Wednesday at age 56. The cause was pancreatic cancer. Jobs had been battling cancer for at least 6 years, telling his employees in 2004 that he was being treated for the disease, and undergoing a l iver transplant in 2009.

The Apple co-founder passed away October 5, but our digital lives leaped ahead dramatically as a result of his leadership [More]