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| Paleontology & Archeology |
Synchrotron light unveils oil in ancient buddhist paintings from Bamiyan
The world was in shock when in 2001 the Talibans destroyed two ancient colossal Buddha statues in the Afghan region of Bamiyan. Behind those statues, there are caves decorated with precious paintings from 5th to 9th century A.D. The caves also suffered from Taliban destruction, as well as from a severe natural environment, but today they have become the source of a major discovery.
Genetic sequencing of protein from T. Rex bone confirms dinosaurs' link to birds
Scientists have put more meat on the theory that dinosaurs' closest living relatives are modern-day birds.
Dawn of human matrilineal diversity
A team of Genographic researchers and their collaborators have published the most extensive survey to date of African mitochondrial DNA (mtDNA). Over 600 complete mtDNA genomes from indigenous populations across the continent were analyzed by the scientists, led by Doron Behar, Genographic Associate Researcher, based at Rambam Medical Center, Haifa, and Saharon Rosset of IBM T.J. Watson Research Center, NY and Tel Aviv University. Analyses of the extensive data presented in this study provide surprising insights into the early demographic history of human populations before they moved out of Africa, illustrating that these early human populations were small and isolated from each other for many tens of thousands of years.
Shell-breaking crabs lived 20 million years earlier than thought
While waiting for colleagues at a small natural history museum in the state of Chiapas, Mexico last year, Cornell paleontologist Greg Dietl chanced upon a discovery that has helped rewrite the evolutionary history of crabs and the shelled mollusks upon which they preyed.
Methane sources over the last 30,000 years
Ice cores are essential for climate research, because they represent the only archive which allows direct measurements of atmospheric composition and greenhouse gas concentrations in the past. Using novel isotopic studies, scientists from the European Project for Ice Coring In Antarctica (EPICA) were now able to identify the most important processes responsible for changes in natural methane concentrations over the transition from the last ice age into our warm period.
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Esrf x-rays reveal clues about life 100 million years ago trapped in opaque amber
Amber has always been a rich source of fossil evidence. The ESRF X-rays now make it possible for paleontologists to study opaque amber, previously inaccessible using classical microscopy techniques.
Absence of clouds caused pre-human supergreenhouse periods
In a world without human-produced pollution, biological productivity controls cloud formation and may be the lever that caused supergreenhouse episodes during the Cetaceous and Eocene, according to Penn State paleoclimatologists.
Virtual smash-ups show teenaged dome-skulled dinos could knock heads
After half a century of debate, a University of Alberta researcher has confirmed that dome-headed dinosaurs called pachycephalosaurs could collide with each other during courtship combat.
Archaeologist finds oldest known gold artifacts in the Americas
Gold has long been more than a fashion statement, and wearing jewelry and other adornments made of it often connotes prestige. And it did not take long for ancient people to figure that out.
Ancient lemur bones present a puzzle
Initial analysis of recently discovered hand bones belonging to an ancient lemur has revealed a mysterious joint structure that has scientists puzzled.
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| Quotes | Friendship is born at that moment when one person says to another, What! You too? I thought I was the only one! -- C.S. Lewis
For the man who has everything. -- A sign in a Manchester shop above a display for burglar alarms
For the scientific acquisition of knowledge is almost as tedious as the routine acquisition of wealth. — Eric Linklater (1899-1974)
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