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”
Apr 19, 2013 |
Researchers are revealing hidden complexities behind the simple act of kissing, which relays powerful messages to your brain, body and partner
Jan 31, 2008 |
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.
Jun 27, 2007
Computer scientist Latanya Sweeney helps to save confidentiality with "anonymizing" programs, "deidentifiers" and other clever algorithms. Whether they are enough, however, is another question
Jun 17, 2007
Other animals howl when they are in distress, but only humans weep tears of sorrow--or joy
Nov 29, 2006 |
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
Jul 25, 2005 |
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