News tagged with age
'Super-river' formed the English Channel
Space & Earth / Earth Sciences
Dec 02, 2009 |
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(PhysOrg.com) -- A team of Anglo-French scientists studying sedimentary deposits in the Bay of Biscay have concluded that Britain and France were separated by a "super-river" during three periods of glaciations, ...
Down Syndrome becoming more prevalent in the U.S.
Dec 02, 2009 |
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(PhysOrg.com) -- A new study, aimed at estimating the prevalence of Down Syndrome in newborns, children and teenagers in 10 areas of the U.S., has found an increase in prevalence of more than 30 percent over ...
Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (17) |
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A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...
After mastodons and mammoths, a transformed landscape
Space & Earth / Earth Sciences
Nov 19, 2009 |
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(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...
Volcanoes played pivotal role in ancient ice age, mass extinction
Space & Earth / Earth Sciences
Oct 26, 2009 |
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(PhysOrg.com) -- Researchers here have discovered the pivotal role that volcanoes played in a deadly ice age 450 million years ago.
Most babies born this century will live to 100
Oct 01, 2009 |
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(AP) -- Most babies born in rich countries this century will eventually make it to their 100th birthday, new research says. Danish experts say that since the 20th century, people in developed countries are living about three ...
Peruvian glacial retreats linked to European events of Little Ice Age
Space & Earth / Earth Sciences
Sep 24, 2009 |
4 / 5 (5) |
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(PhysOrg.com) -- A new study that reports precise ages for glacial moraines in southern Peru links climate swings in the tropics to those of Europe and North America during the Little Ice Age approximately ...
Europe's first farmers replaced their Stone Age hunter-gatherer forerunners
Other Sciences / Archaeology & Fossils
Sep 03, 2009 |
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(PhysOrg.com) -- DNA study suggests that further waves of prehistoric immigration are waiting to be discovered. Central and northern Europe's first farmers were immigrants with barely any ancestral ties to the modern population, ...
Long debate ended over cause, demise of ice ages -- may also help predict future
Space & Earth / Earth Sciences
Aug 06, 2009 |
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Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...
Crashing comets not likely the cause of Earth's mass extinctions: new research
Space & Earth / Space Exploration
Jul 30, 2009 |
3.7 / 5 (18) |
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(PhysOrg.com) -- Scientists have debated how many mass extinction events in Earth's history were triggered by a space body crashing into the planet's surface. Most agree that an asteroid collision 65 million ...
Study finds human population expanded during late Stone Age
Jul 29, 2009 |
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Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...
Earth's most prominent rainfall feature creeping northward
Space & Earth / Earth Sciences
Jul 01, 2009 |
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The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years, probably because of ...
Ivory sculpture in Germany could be world's oldest
Other Sciences / Archaeology & Fossils
May 13, 2009 |
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(PhysOrg.com) -- The 2008 excavations at Hohle Fels Cave in the Swabian Jura of southwestern Germany recovered a female figurine carved from mammoth ivory from the basal Aurignacian deposit. This figurine, ...
Late motherhood boosts family lifespan
May 04, 2009 |
5 / 5 (2) |
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Women who have babies naturally in their 40s or 50s tend to live longer than other women. Now, a new study shows their brothers also live longer, but the brothers' wives do not, suggesting the same genes prolong ...
Archeologists discover temple that sheds light on 'Dark Age'
Other Sciences / Archaeology & Fossils
Apr 15, 2009 |
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The discovery of a remarkably well-preserved monumental temple in Turkey — thought to be constructed during the time of King Solomon in the 10th/9th-centuries BC -- sheds light on the so-called Dark Age.
