191.  

Where Are They?; The Search for Alien Life; Exclusive Online Issues; by Ian Crawford, sidebar by Andrew J. LePage; 6 page(s)

Maybe we are alone in the galaxy after all (originally published July 2000)

Relevance: 87%

192.  

Once We Were Not Alone; January 2000; Scientific American Magazine; by Tattersall; 7 page(s)

Today we take for granted that Homo Sapiens is the only hominid on Earth. Yet for at least four million years many hominid species shared the planet. What makes us different?

Relevance: 85%

193.  

From the Editors; March 2001; Scientific American Magazine; by John Rennie; 1 page(s)

The Future of Human Evolution

Relevance: 85%

194.  

Books; May 2000; Scientific American Magazine; by Dipietro, Staff Editors; 3 page(s)

"Taboo" dares to examine the prickly scientific questions about why black athletes fare so well. Also, The Editors Recommend.

Relevance: 85%

195.  

Hitching a Ride; July 2009; Scientific American Magazine; by Kate Wong; 2 page(s)

Crawling may be unnecessary for normal child development

Relevance: 85%

196.  

Founder Mutations; October 2005; Scientific American Magazine; by Dennis Drayna; 8 page(s)

A special class of genetic mutations that often cause human disease is enabling scientists to trace the migration and growth of specific human populations over thousands of years

Relevance: 85%

197.  

Will Human Aging Be Postponed?; The Science of Staying Young; Special Editions; by Michael R. Rose; 6 page(s)

In theory, it certainly can be. Yet no single elixir will do the trick. Antiaging therapies of the future will undoubtedly have to counter many destructive biochemical processes at once

Relevance: 85%

198.  

Founder Mutations; Becoming Human; Special Editions; by Dennis Drayna; 8 page(s)

A special class of genetic mutations that often cause human disease is enabling scientists to trace the migration and growth of specific human populations over thousands of years

Relevance: 85%

199.  

The Midlife Crisis of the Cosmos; Reality-Bending Black Holes; Special Editions; by Amy J. Barger; 8 page(s)

Although it is not as active as it used to be, the universe is still forming stars and building black holes at an impressive pace

Relevance: 85%

200.  

The Samaritan Paradox; December 2004; Scientific American Mind; by Ernst Fehr and Suzann-Viola Renninger; 8 page(s)

If we live in a dog-eat-dog world, then why are we frequently so good to each other?

Relevance: 85%