Save
Email
Print
Share
RSSBrowse News Stories
31 to 40 of 3,688 stories
view headlines only
-
First Snapshot of Organisms Eating Each Other: Feast Clue to Smell of Ancient Earth
April 29, 2013 — Tiny 1,900-million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled ... > full story -
Dinosaur Predecessors Gain Ground in Wake of World's Biggest Biodiversity Crisis
April 29, 2013 — Newly discovered fossils from 10 million years after Earth's greatest mass extinction reveal a lineage of animals thought to have led to dinosaurs taking hold in Tanzania and Zambia in the ... > full storyMore: -
Turtle Genome Analysis Sheds Light on Turtle Ancestry and Shell Evolution
April 28, 2013 — From which ancestors have turtles evolved? How did they get their shell? New data provides evidence that turtles are not primitive reptiles but belong to a sister group of birds and crocodiles. The ... > full story -
Rethinking Early Atmospheric Oxygen: Possibility of More Dynamic Biological Oxygen Cycle on Early Earth Than Previously Supposed
April 24, 2013 — Using a quantitative model, a research team of biogeochemists has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important ... > full story -
Iron in Primeval Seas Rusted by Bacteria
April 23, 2013 — Researchers have been able to show for the first time how microorganisms contributed to the formation of the world's biggest iron ore deposits. The biggest known deposits -- in South Africa and ... > full story -
Fish Was on the Menu for Early Flying Dinosaur
April 22, 2013 — New research reveals that Microraptor, a small flying dinosaur, was a complete hunter -- able to swoop down and pick up ... > full story -
Geochemical Method Finds Links Between Terrestrial Climate and Atmospheric Carbon Dioxide
April 22, 2013 — Scientists used a new chemical technique to measure the change in terrestrial temperature associated with a major shift in global atmospheric CO2 concentrations nearly 34 million years ago. Their ... > full story -
Anatomist Is Fleshing out Dinosaur Heads, Reaching People About Science
April 22, 2013 — Accurately depicting dinosaur anatomy has come a long way since the science fiction films of the ... > full story -
Formula Can Calculate a Person's Speed by Just Looking at Their Footprints
April 22, 2013 — Scientists have designed an equation that provides a highly accurate estimate of an individual's speed based on stride length. They used data from professional athletes and walking and running ... > full story -
Ant Family Tree Constructed: Confirms Date of Evolutionary Origin, Underscores Importance of Neotropics
April 22, 2013 — Several hypotheses have been proposed to explain the higher species numbers in the tropics, but these hypotheses have never been tested for the ants, which are one of the most ecologically and ... > full story
Search ScienceDaily
Number of stories in archives: 137,088
more 
