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Science News for November 24, 2006


Lessons learned from drought deaths 40,000 years ago

A new study from Queensland University of Technology finds that climate change caused a series of massive droughts to kill giant kangaroos and other megafauna in south-east Queensland 40,000 years ago. The research provides evidence that the prehistoric big dry was responsible for extinctions, contradicting some theories that humans we...

SourceQueensland University of Technology·JournalAustralian Journal of Earth Sciences·DateNov 24, 2006

Ocean drilling operations are at cutting edge of scientific marine research

Scientists from the Integrated Ocean Drilling Program (IODP) are making significant discoveries in ocean drilling operations, including the first complete section through a modern cold-water coral mound. The IODP is an international scientific research program that explores subseafloor environments and monitors environmental change, ge...

SourceIntegrated Ocean Drilling Program Management International·JournalEos·DateNov 24, 2006

Impact of climate change in Africa

Climate change may cause large infrequent disturbances in Africa, leading to devastating environmental and societal impacts. Historical data suggests that such events can have a lasting effect, with examples like the Maasai 'Emutai' period showing catastrophic consequences.

SourceBlackwell Publishing Ltd.·JournalAfrican Journal of Ecology·DateNov 24, 2006
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Delft University of Technology makes world's smallest piano wire

The Delft University of Technology has successfully created the world's smallest piano wire, measuring approximately 2 nanometers in diameter. The researchers used carbon nanotubes and developed a model to predict their vibrations, which can be used for mass sensors and other applications.

SourceDelft University of Technology·JournalNano Letters·DateNov 24, 2006

The ESRF reveals how Neanderthal teeth grew

Scientists studying Neanderthal teeth using X-rays from the ESRF found that their dental development is very similar to modern humans. The research team discovered complex folding of the enamel dentine junction, which suggests a deep embryological origin and may have been functionally significant.

SourceEuropean Synchrotron Radiation Facility·JournalNature·DateNov 24, 2006