Dogs Chase Efficiently, But Cats Skulk Counterintuitively
A new study suggests that
evolution can behave as
differently as dogs and
cats. While the dogs depend
on an energy-efficient style
... > full story
Evidence From Dirty Teeth: Ancient Peruvians Ate Well
Starch grains preserved on
human teeth reveal that
ancient Peruvians ate a
variety of cultivated crops
including squash, beans,
peanuts and pacay. Starch
... > full story
New Giant Toothless Pterosaur Species Discovered
A new species of pterosaur,
the largest of its kind to
ever be found, has been
discovered. It represents an
entirely new genus of these
flying reptiles that ruled
... > full story
Flexibility Trumps Fitness In Sexual Reproduction, Says New Theory In Evolutionary Biology
An intriguing new theory of
evolutionary biology says
the reason sexual
reproduction may be so
successful is that it
... > full story
Browse News Stories
1 to 10 of 2,218 stories
view headlines only
-
Iceman Oetzi's Last Supper
December 2, 2008 A new study identifies six different mosses from the Tyrolean Iceman's alimentary ... > full story -
Earth Science
Environmental Issues
Origin of Life
Near-Earth Object Impacts
Environmental Policies
Geology
Humanity May Hold Key For Next Earth Evolution
December 1, 2008 Human degradation of the environment has the potential to stall an ongoing process of planetary evolution, and even rewind the evolutionary clock to leave the planet habitable only by the bacteria ... > full story -
New Excavations Strengthen Identification Of Herod’s Grave At Herodium
November 30, 2008 Analysis of newly revealed items found at the site of the mausoleum of King Herod at Herodium (Herodion in Greek) have provided archaeological researchers with further assurances that this was indeed ... > full story -
Carbon Dioxide Helped Ancient Earth Escape Deathly Deep Freeze
November 30, 2008 The planet’s present day greenhouse scourge, carbon dioxide, may have played a vital role in helping ancient Earth to escape from complete glaciation, say ... > full story -
Bacterial Biofilms As Fossil Makers
November 28, 2008 Bacterial decay was once viewed as fossilization's mortal enemy, but new research suggests bacterial biofilms may have actually helped preserve the fossil record's most vulnerable stuff -- animal ... > full story -
Potentially Universal Mechanism Of Aging Identified
November 27, 2008 Researchers have uncovered what may be a universal cause of aging, one that applies to both single cell organisms such as yeast and multicellular organisms, including mammals. This is the first time ... > full story -
Two From One: Evolution Of Genders From Hermaphroditic Ancestors Mapped Out
November 27, 2008 Research could finally provide evidence of the first stages of the evolution of separate sexes, a theory that holds that males and females developed from hermaphroditic ancestors. These early stages ... > full story -
How Did Turtles Get Their Shells? Oldest Known Turtle Fossil, 220 Million Years Old, Give Clues
November 27, 2008 Since the age of dinosaurs, turtles have looked pretty much as they do now with their shells intact, and scientists lacked conclusive evidence to support competing evolutionary theories. Now with the ... > full story -
Plate Tectonics Started Over 4 Billion Years Ago, Geochemists Report
November 27, 2008 A new picture of the early Earth is emerging, including the surprising finding that plate tectonics on Earth may have started more than four billion years ago -- much earlier than scientists had ... > full story -
Researcher Sheds New Light On Witch-hunting And Epidemics Of Fear
November 27, 2008 Research by the Russian semiologist Yuri M. Lotman analyzes how epidemics of fear work, through the study of witch-hunting processes which claimed thousands of victims among Catholics and ... > full story
Search ScienceDaily
Number of stories in archives: 62,003