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After Mastodons and Mammoths, a Transformed Landscape
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,
... > full story
Rich Ore Deposits Linked to Ancient Atmosphere
Much of our planet's mineral
wealth was deposited
billions of years ago when
Earth's chemical cycles were
different from today's.
Using geochemical clues from
... > full story
Paleontologists Find Extinction Rates Higher in Open-Ocean Settings During Mass Extinctions
Researchers have uncovered a
strikingly pattern for
ancient mass extinctions:
extinctions rates during
mass extinctions were
... > full story
Cousins of Prehistoric Supercrocodile Inhabit Lost World of Sahara
Fossils of five ancient
crocs, including one with
teeth like boar tusks and
another with a snout like a
duck's bill, have been
discovered in the Sahara.
... > full story
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Origin of Life: Generating RNA Molecules in Water
November 20, 2009 — A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, researchers have reconstructed one of the ... > full story -
'Hobbits' Are a New Human Species, According to Statistical Analysis of Fossils
November 19, 2009 — Researchers have confirmed that Homo floresiensis is a genuine ancient human species and not a descendant of healthy humans dwarfed by disease. Using statistical analysis on skeletal remains of a ... > full story -
Accidental Discovery Produces Durable New Blue Pigment for Multiple Applications
November 19, 2009 — An accidental discovery has apparently solved a quest that over thousands of years has absorbed the energies of ancient Egyptians, the Han dynasty in China, Mayan cultures and more -- the creation of ... > full story -
Extinct Moa Rewrites New Zealand's History
November 18, 2009 — The evolutionary history of New Zealand's many extinct flightless moa has been re-written in the first comprehensive study of more than 260 sub-fossil specimens to combine all known genetic, ... > full story -
Evolution of Highly Toxic Box Jellyfish Unraveled
November 18, 2009 — With thousands of stinging cells that can emit deadly venom from tentacles that can reach ten feet in length, the 50 or so species of box jellyfish have long been of interest to scientists and to the ... > full story -
Heart Disease Found in Egyptian Mummies
November 17, 2009 — Hardening of the arteries has been detected in Egyptian mummies, some as old as 3,500 years, suggesting that the factors causing heart attack and stroke are not only modern ones; they afflicted ... > full story -
Using Darwin in Helping to Define the Biological Essentiality of Silicon and Aluminium
November 17, 2009 — In this year, 200th anniversary of the birth of Charles Darwin and the 150th anniversary of the publication of ‘On the Origin of Species’ a UK scientist has used Darwin’s seminal ... > full story -
Slowing Evolution to Stop Drug Resistance
November 17, 2009 — Infectious organisms that become resistant to antibiotics are a serious threat to human society. They are also a natural part of evolution. In a new project, researchers in Sweden are attempting to ... > full story -
Ancient Weapons Dug Up by Archaeologists in England
November 17, 2009 — A Mesolithic site may date from as early as 9000 BC, by which time hunter-gatherers had reoccupied an area near Asfordby, England, after the last ice age. These hunters crossed the land bridge from ... > full story -
Study Pits Man Versus Machine in Piecing Together 425-Million-Year-Old Jigsaw
November 16, 2009 — Reconstructing ancient fossils from hundreds of thousands of jumbled up pieces can prove challenging. A new study tested the reliability of expert identification versus computer analysis in ... > full story
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