Browse News Stories
49 to 60 of 478 stories
view headlines only
-
Evolutionary Origin Of Mammalian Gene Regulation Is Over 150 Million Years Old
July 3, 2008 Scientists have found that a complex, highly conserved and extremely important mechanism of controlling genes is over 150 million years old. The findings have provided new insights into the evolution ... > full story -
New Evidence That Ancient Choanoflagellates' Form Evolutionary Link Between Single-celled And Multi-celled Organisms
July 3, 2008 What do humans and single-celled choanoflagellates have in common? More than you'd think. New research into the choanoflagellate genome shows these ancient organisms have similar levels of proteins ... > full story -
Pumice As A Time Witness
June 27, 2008 Chemical fingerprints of volcanic eruptions and numerous pumice lump finds from archaeological excavations illustrate relations between individual advanced civilizations in the Eastern Mediterranean. ... > full story -
Huge Genome-scale Phylogenetic Study Of Birds Rewrites Evolutionary Tree-of-life
June 27, 2008 The largest ever study of bird genetics redraws the avian evolutionary tree, challenges current classifications, alters our understanding of avian evolution, and provides a resource for future ... > full story -
Evolutionarily Preserved Signature Found In The Primate Brain
June 24, 2008 Researchers have determined that there are hundreds of biological differences between the sexes when it comes to gene expression in the cerebral cortex of humans and other primates. These findings ... > full story -
Scientists Fix Bugs In Our Understanding Of Evolution
June 24, 2008 What makes a human different from a chimp? Researchers have come one important step closer to answering such evolutionary questions correctly. In the current issue of Science they uncover systematic ... > full story -
Heritage Of A Deadly Disease Pinpointed With Help From Iceland's Genealogical Database
June 23, 2008 Scientists have used Iceland's genealogical database to trace the ancestors of patients suffering from hereditary cystatin C amyloid angiopathy. Analysis shows that the deadly mutation in the ... > full story -
Sea's Ebb And Flow Drive World's Big Extinction Events, Study Suggests
June 16, 2008 If you are curious about Earth's periodic mass extinction events such as the sudden demise of the dinosaurs 65 million years ago, you might consider crashing asteroids and sky-darkening super ... > full story -
Life's Raw Materials May Have Come From The Stars, Scientists Confirm
June 13, 2008 Scientists have confirmed for the first time that an important component of early genetic material which has been found in meteorite fragments is extraterrestrial in origin. The finding suggests that ... > full story -
Woolly Mammoth Gene Study Changes Extinction Theory
June 12, 2008 A large genetic study of the extinct woolly mammoth has revealed that the species was not one large homogenous group, as scientists previously had assumed, and that it did not have much genetic ... > full story -
New Way To Think About Earth's First Cells
June 6, 2008 A team of researchers have modeled in the laboratory a primitive cell, or protocell, that is capable of building, copying and containing DNA. Since there are no physical records of what the first ... > full story -
Evolution Of An Imprinted Domain In Mammals
June 3, 2008 A new PLoS Biology article investigates the evolution of genomic imprinting in a specific region of the mammalian genome. The work shows that different regions became imprinted at different times ... > full story
Search ScienceDaily
Number of stories in archives: 61,913

