Save
Email
Print
Share
RSSBrowse News Stories
491 to 500 of 1,328 stories
view headlines only
-
Kissing Cousins: Genes Critical to Moths’ Complicated Sexual Communication and Their Evolution Uncovered
April 12, 2010 — Researchers have figured out the complicated mechanism behind sexual communication in moths, and have learned something about evolutionary processes at the same ... > full story -
Pre-History of Life: Elegantly Simple Organizing Principles Seen in Ribosomes
April 12, 2010 — With few exceptions, all known forms of life on our planet rely on the same genetic code to specify the amino acid composition of proteins. Although different hypotheses abound, just how individual ... > full story -
Rewiring of Gene Regulation Across 300 Million Years of Evolution
April 9, 2010 — Researchers have discovered a remarkable amount of plasticity in how transcription factors, the proteins that bind to DNA to control the activation of genes, maintain their function over large ... > full story -
New Hominid Shares Traits With Homo Species: Fossil Find Sheds Light on the Transition to Homo Genus from Earlier Hominids
April 8, 2010 — A newly documented species, called Australopithecus sediba, was an upright walker that shared many physical traits with the earliest known Homo species -- and its introduction into the fossil record ... > full story -
Form or Function? Evolution Takes Different Paths, Genetic Study Shows
April 5, 2010 — Biologists long have known that both the appearance of organisms and their inner workings are shaped by evolution. But do the same genetic mechanisms underlie changes in form and function? A new ... > full story -
Traces of Early Native Americans -- In Sunflower Genes
April 2, 2010 — New information about early Native Americans' horticultural practices comes not from hieroglyphs or other artifacts, but from a suite of four gene duplicates found in wild and domesticated ... > full story -
Why Earth Wasn't One Big Ball of Ice 4 Billion Years Ago When Sun's Radiation Was Weaker
March 31, 2010 — Scientists have solved one of the great mysteries of our geological past: Why Earth's surface was not one big lump of ice four billion years ago when the Sun's radiation was much weaker than today. ... > full story -
Religious Beliefs Seen as Basis of Origins of Palaeolithic Art
March 26, 2010 — The idea that palaeolithic art is based in religious beliefs isn't new. But for years, anthropologists, archaeologists and historians of art understood these artistic manifestations as purely ... > full story -
Fossil of Newly Discovered Species Found in Spain
March 25, 2010 — In the '80s, researchers found the first fossils of Cloudina in Spain, a small fossil of tubular appearance and one of the first animals that developed an external skeleton between 550 and 543 ... > full story -
New Human Species Discovered: Mitochondrial Genome of Previously Unknown Hominins from Siberia Decoded
March 25, 2010 — Researchers have sequenced ancient mitochondrial DNA from a finger bone of a female found in southern Siberia. She comes from a previously unknown human species, which lived for about 48,000 to ... > full story
Search ScienceDaily
Number of stories in archives: 138,555
more 
