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Features
| Evolution
At least 27 human species have walked the Earth, but only our lineage survived. Our ancestors may have crossed a cerebral Rubicon that led to babies being born “early”
By
Chip Walter
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Apr 19, 2013 |
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Scientific American Mind
| Mind & Brain
Researchers are revealing hidden complexities behind the simple act of kissing, which relays powerful messages to your brain, body and partner
By
Chip Walter
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Jan 31, 2008 |
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Features
| More Science
In a post-9/11 world, where security demands are high, personal privacy does not have to be sacrificed, says computer scientist Latanya Sweeney, who discusses a few ways to save it.
By
Chip Walter
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Jun 27, 2007
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Scientific American Magazine
| Technology
Computer scientist Latanya Sweeney helps to save confidentiality with "anonymizing" programs, "deidentifiers" and other clever algorithms. Whether they are enough, however, is another question
By
Chip Walter
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Jun 17, 2007
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Scientific American Mind
| Mind & Brain
Other animals howl when they are in distress, but only humans weep tears of sorrow--or joy
By
Chip Walter
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Nov 29, 2006 |
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Scientific American Magazine
| Technology
The doubling of processor speed every 18 months is a snail's pace compared with rising hard-disk capacity, and Mark Kryder plans to squeeze in even more bits
By
Chip Walter
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Jul 25, 2005 |