Fossils & Ruins News
September 2, 2015

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September 2, 2015

Older Adults Possess Important Forms of Expertise

Aug. 28, 2015 — New research on aging and skill development provides the most complete analysis to date of skill development in a traditional society. The results show that most skills essential to Tsimane survival ... read more

Aug. 26, 2015 — The membranes of sediment-entombed archaea are an increasingly popular way to determine ocean surface temperatures back to the age of the dinosaurs. But new results show that changing oxygen can ... read more

Where Bread Began: Ancient Tools Used to Reconstruct -- And Taste -- Prehistoric Cuisine

Aug. 26, 2015 — A group of intrepid Israeli researchers recently went back to the dawn of the Stone Age to make lunch. Using 12,500-year-old conical mortars carved into bedrock, they reconstructed how their ancient ... read more

Aug. 26, 2015 — Paleontologists have discovered a new species of lizard, named Gueragama sulamericana, in the municipality of Cruzeiro do Oeste in Southern Brazil in the rock outcrops of a Late Cretaceous desert, ... read more

Aug. 25, 2015 — The Atlantic Circumpolar Current encircles Antarctica with a constant eastward flow in the Southern Ocean. Researchers determined that it originated 30 million years ago, several million years after ... read more

Aug. 25, 2015 — Several Palaeozoic mass extinction events during the Ordovician and Silurian periods (ca. 485 to 420 to million years ago) shaped the evolution of life on our planet. Although some of these ... read more

Aug. 25, 2015 — Ice Age paleontologist recorded the maximum geographic distribution of the woolly mammoth during the last Ice Age and published the most accurate global map in this regard. The ice-age pachyderms ... read more

New Light Shed on End of Snowball Earth Period

Aug. 24, 2015 — The second ice age during the Cryogenian period was not followed by the sudden and chaotic melting-back of the ice as previously thought, but ended with regular advances and retreats of the ice, ... read more

Aug. 21, 2015 — A recalculation of the dates at which boulders were uncovered by melting glaciers at the end of the last Ice Age has conclusively shown that the glacial retreat was due to rising levels of carbon ... read more

Aug. 20, 2015 — The fact that the greatest diversity of large mammals is found in Africa reflects past human activities -- and not climatic or other environmental constraints. This is determined in a new study, ... read more

Aug. 20, 2015 — Disease-causing viruses engage their hosts in ongoing arms races: positive selection for antiviral genes increases host fitness and survival, and viruses in turn select for mutations that counteract ... read more

Aug. 20, 2015 — The Natufian culture, which flourished 15,000 years ago, is well known for its complex burial customs. A new study has discovered that these ceremonies included the use of giant boulder mortars whose ... read more

Aug. 19, 2015 — A team of international researchers has discovered a fossil monkey specimen representing the earliest baboon ever found. Dating back more than two million years ago, the partial skull was found in ... read more

Aug. 19, 2015 — Fragile pieces of parchment can be difficult to study because of their age, rarity and susceptibility to contamination. Researchers are developing new high-tech tools to unlock the secrets hidden in ... read more

Aug. 19, 2015 — Comet impact on Earth are synonymous with great extinctions, but now research shows that early comet impact would have become a driving force to cause substantial synthesis of peptides -- the first ... read more

Aug. 18, 2015 — New species evolve whenever a lineage splits off into several. Because of this, the kinship between species is often described in terms of a 'tree of life,' where every branch constitutes a ... read more

Aug. 18, 2015 — A cooling, drying climate over the last 40 million years turned North America from a warm and wooded place into the drier, open plains we know today. A new study shows how dogs evolved in response to ... read more

Aug. 18, 2015 — Researchers have used computed microtomography (micro-CT) to identify to the species level an exceptionally well-preserved fossil arthropod from the famous Chengjiang Lagerstätte in ... read more

Aug. 18, 2015 — A study of catsharks reveals how alterations in the expression and function of certain genes in limb buds underlie the evolution of fish fins to limbs. The findings give new insight into how fish ... read more

Aug. 18, 2015 — Violent conflicts in Neolithic Europe were held more brutally than has been known so far. This emerges from a recent anthropological analysis of the roughly 7000-year-old mass grave of ... read more

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