Tag Archive: birds

Model organisms: the birds and the bees

social interaction and brain

Bird Genomes Abound Scientists complete the largest-ever comparative genomic study of birds. By Ruth Williams | December 11, 2014 Excerpt: “Birds are model organisms for a number of human behaviors and conditions—For example, Jarvis compares vocal learning in birds and…
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Did parental love evolve separately in birds and mammals?

neuronal-plasticity

EDUCATION: SEXUALITY EDUCATION IN THE UNITED STATES Excerpt: Romantic (erotic) love, an important component of human reproductive and sexual behavior, has its origins in parenting behavior. In reptiles, there is neither parental care nor an affectionate or affiliative bond between…
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Insect homology and diversity attributed to mutations

Genetic code

Ancient homology underlies adaptive mimetic diversity across butterflies Excerpt: “Surprisingly, our results suggest that modulation of this conserved developmental gene has occurred in tandem between these two deeply divergent butterfly lineages, implying an unexpected and remarkable level of predictability in…
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From cell type differentiation to extinction

human-evolution

The 1,300 Bird Species Facing Extinction Signal Threats to Human Health Excerpt: “Through analysis of the inner workings of birds’ cells, scientists have been deciphering increasingly urgent signals from ecosystems around the world.” My comment: Like all other organisms, birds reach…
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What Darwin proved: there’s no such thing as a species

GENETICS As Animals Mingle, a Baffling Genetic Barrier A short stretch of DNA is challenging what it means to be a species. By: Emily Singer August 5, 2014 Excerpt: “Scientists have dubbed such regions of the genome “islands of speciation.” The…
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Cosmos and Feierman: Bamboozled Again

terrarium eco system

Carl Sagan’s Two Warnings For Humanity In His Very Last Interview – You Might Want To Hear This Excerpt: “One of the saddest lessons of history is this: If we’ve been bamboozled long enough, we tend to reject any evidence of…
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Cosmos: no facts; just theory

terrarium eco system

Creationists demand equal airtime on Neil deGrasse Tyson’s ‘Cosmos’ to provide ‘balance’ By Travis Gettys Friday, March 21, 2014 14:10 EDT Excerpt: “Tyson recently said science reporting should not be balanced with nonscientific claims, so that seems unlikely he would…
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The new light of chromosomal rearrangements

translocated chromosome

SCIENCE Seeing X Chromosomes in a New Light By CARL ZIMMER JAN. 20, 2014 NY TIMES Excerpt 1: In the journal Neuron, a team of scientists has unveiled an unprecedented view of X-chromosome inactivation in the body. They found a remarkable complexity to the…
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Mutated or receptor-mediated skin color

terrarium eco system

Home Genetics January 3, 2014 Studies of a skin color gene across global populations reveal shared origins Excerpt: “All instances of a gene mutation that contributes to light skin color in Europeans came from the same chromosome of one person…
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