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Greg Laden's Blog

Evolution, Life Sciences, Science Education, Human Evolution, and Stuff

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My name is Greg Laden. You can find out about me here, contact me here, and for all the gory details, have a look at this...

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Genetics:

The Perfect Bird Family Tree...

... is certainly still in the future. But we have seen a step in that direction in a new paper, coming out this week in Science. This research applies intensive and extensive genomic analysis to the avian phylogenetic tree. The results are interesting. This paper...

Genome Size and Flight in Bats

Continuing with our discussion of the Evolution 2008 conference, I was hoping to meet T. Ryan Gregory yesterday. He is listed on the Evolution 2008 program as an author of a talk on genome size. Goodnews/badnews: Gregory did not show, but the talk, given by...

Biology Will Never Be the Same Again: Scott Lanyon

The Evolution 2008 conference started out today with a special program for K-12 teachers (mainly life science teachers) organized by the Minnesota Citizens for Science Education (MNCSE). The opening speaker was Scott Lanyon, director of the Bell Museum of Natural History. (The Bell hosted this...

"US government gene guru to resign"

Photograph of Francis S. Collins Just passing along the details from Associated Press: WASHINGTON (AP) -- The government is losing its gene guru: Dr. Francis Collins, who helped lead the breakthrough unraveling of the human genetic code -- and found common ground between the...

Resurrection of DNA Function from an Extinct Genome

Could even this bird be reanimated, gene by gene? When you are extinct you're extinct. Everything about you is dead and gone. There are no more of you, every individual in your species is kaput, non existent, used up, as the Pima Indians would...

Evolutionary Genetics of Canine Population Structure

A recent study of dog genetics, published in PLoS, seeks to improve the quality of genetic research by better understanding the underlying patterns of genetic variation at the level of specific dog breeds....

Amazing DNA

Great enunciation in this one:...

DNA Replication Process

DNA Transcription

DNA Replication

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