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When It Comes to Mammals, How Big Is Too Big?
Mammals vary enormously in
size, from weighing less
than a penny to measuring
more than three school buses
in length. Some groups of
mammals have become very
... > full story
'Cold Snap' 116 Million Years Ago Triggered Marine Ecosystem Crisis
A "cold snap" 116 million
years ago triggered a
similar marine ecosystem
crisis to the ones witnessed
in the past as a result of
... > full story
Study of Oceans' Past Raises Worries About Their Future
Scientists have now
completed the first global
study of changes that
occurred in a crucial
component of ocean
chemistry, the nitrogen
... > full story
Menopause May Be an Unintended Outcome of Men's Preference for Younger Mates
After decades of laboring
under other theories that
never seemed to add up,
biologists have concluded
that menopause is actually
... > full story
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Putting Flesh on the Bones of Ancient Fish: Synchrotron X-Rays Reconstruct Soft Tissue on 380-Million-Year-Old Fish
June 13, 2013 — Scientists present for the first time miraculously preserved musculature of 380 million year old armored fish discovered in north-west Australia. This research will help scientists to better ... > full story -
How Diving Mammals Evolved Underwater Endurance
June 13, 2013 — Scientists have shed new light on how diving mammals, such as the sperm whale, have evolved to survive for long periods underwater without ... > full story -
Medieval Leprosy Genomes Shed Light on Disease's History
June 13, 2013 — Scientists have reconstructed a dozen medieval and modern leprosy genomes -- suggesting a European origin for the North American leprosy strains found in armadillos and humans, and a common ancestor ... > full story -
Fossil Kangaroo Teeth Reveal Mosaic of Pliocene Ecosystems in Queensland
June 12, 2013 — The teeth of a kangaroo and other extinct marsupials reveal that southeastern Queensland 2.5-5-million-years ago was a mosaic of tropical forests, wetlands and grasslands and much less arid than ... > full story -
When Will the Next Megathrust Hit the West Coast of North America?
June 12, 2013 — A new study presents our first glimpse back in geologic time of the recurrence interval of large and megathrust earthquakes impacting the vulnerable BC outer ... > full story -
Deep Biosphere Harbors Active, Growing Communities of Microorganisms
June 12, 2013 — The deep biosphere -- the realm of sediments far below the seafloor -- harbors a vast ecosystem of bacteria, archaea, and fungi that are actively metabolizing, proliferating, and moving, according a ... > full storyMore: -
High Diversity of Flying Reptiles in England 110 Million Years Ago
June 12, 2013 — Pterosaurs are an extinct group of flying reptiles that are only abundant in very few deposits. One of these is situated in England, where hundreds of fossils of these animals, that covered the skies ... > full story -
X-Rays Reveal New Picture of 'Dinobird' Plumage Patterns
June 11, 2013 — The first complete chemical analysis of feathers from Archaeopteryx, a famous fossil linking dinosaurs and birds, reveals that the feathers of this early bird were patterned -- light in colour, with ... > full story -
Modern Humans Did Not Settle in Asia Before Eruption of Sumatra Volcano 74,000 Years Ago, Study Finds
June 11, 2013 — When did modern humans settle in Asia and what route did they take from humankind's African homeland? New research refutes a recent theory that there is archaeological evidence for the presence of ... > full story -
From Hot Springs to HIV, Same Protein Complexes Are Hijacked to Promote Viruses
June 10, 2013 — Biologists have discovered a striking connection between viruses such as HIV and Ebola and viruses that infect organisms called archaea that grow in volcanic hot springs. Despite the huge difference ... > full story
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