evolution
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Tag archives for evolution
The Buzz: Liveblogging the Texas Board of Education Hearings
Posted by Arikia Millikan on March 26, 2009 Over the past three days, the Texas State Board of Education has heard over 50 testimonies debating a proposed amendment to reinstate the requirement of teaching the “strengths and weaknesses” of the theory of evolution in the statewide science curriculum. The proposed regulation, which has provided creationism a place in the classroom in the past,…
The Buzz: Recent Selection in Human Evolution
Posted by Arikia Millikan on March 25, 2009 A new paper published in Genome Research provides the most comprehensive scan to date of the genetic signatures of natural selection resulting from the last 10-40,000 years of human evolution, with some intriguing results. The results show strikingly different patterns of selection in distantly related human populations, suggesting that different human groups have adapted to…
The Buzz: Myths About Darwin
Posted by Arikia Millikan on March 17, 2009 There are several misconceptions circulating about Charles Darwin and his revolutionary ideas and theories in the field of evolution. That’s why, in honor of Darwin’s birthday last month, ScienceBlogger John Wilkins from Evolving Thoughts took it upon himself to clear things up. In his eight-part series, “Myths about Darwin,” Wilkins addresses and debunks claims such…
Science Saturday: Art and Evolution with Horgan and Dutton
Posted by Arikia Millikan on January 31, 2009 In this week’s episode of Science Saturday, John Horgan chats with philosopher Denis Dutton about his book, “The Art Instinct,” which argues that our artistic values are due, in significant part, to biological adaptations dating back to the Pleistocene. Next, John and Denis discuss sex and creativity, why there is no art of smell, and…
The Buzz: Avian Clues to Evolutionary Mysteries
Posted by Arikia Millikan on December 27, 2008 Scientists have long been torn about the exact evolution of birds since fossil and molecular dating techniques have yielded different answers. But by studying the DNA of birds in the parrot and cockatoo families, which do not migrate like most other birds, researchers were able to discern the times of species divergence and concluded that…
