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High tech for bicycles

Researchers at Fraunhofer-Gesellschaft have developed a functionally-integrated bicycle seat post made from carbon fiber composite materials, offering noticeable ride comfort and reduced weight. The innovative seat post uses laminated springs to absorb shocks, providing a smoother ride for cyclists.

Wrestling with bighorn sheep

A team of researchers, led by University of Alberta biologist David Coltman, have been studying the personalities of bighorn mountain sheep. They found that bold individuals tend to have shorter lifespans, while those with more submissive personalities are more likely to produce multiple offspring.

SourceUniversity of Alberta·JournalJournal of Evolutionary Biology·DateSep 1, 2009

August 2009 Lithosphere media highlights

The article discusses four main questions: Subducted oceanic asthenosphere flow beneath the Juan de Fuca slab, Arkosic rocks from the San Andreas Fault Observatory at Depth (SAFOD) borehole, long-term strain records of the Parkfield Earthquake Prediction Experiment, and mechanisms responsible for map-view curvature over a range of scal...

SourceGeological Society of America·JournalLithosphere·DateJul 31, 2009

September/October 2009 GSA Bulletin highlights

The GSA Bulletin highlights studies on the Lesser Himalaya, southern Chinese Altai Range, and San Ysidro fault in New Mexico. Researchers unravel tectonic processes responsible for building the Himalayan foothills and provide new insights into faulting mechanisms and magmatic evolution of Western Amazonia.

SourceGeological Society of America·JournalGeological Society of America Bulletin·DateJul 31, 2009

Erosion of the Yucca Mountain crest

Researchers predict Yucca Mountain crest erosion due to local geology, potentially affecting repository stability. The study used a numerical landscape evolution model to explore the rate of erosional decay.

SourceElsevier·JournalGeomorphology·DateMay 5, 2009

April Geosphere media highlights

Scientists investigate possible tectonic cycling of serpentized peridotites in the Mariana forearc, connect Saddle Mountain and Seattle faults, and improve fractured carbonate-reservoir characterization with remote sensing. Seismic reflection profiles also define Grenville-age rift system and foreland basins beneath Phanerozoic sediments.

SourceGeological Society of America·JournalGeosphere·DateApr 1, 2009

Mountain caribou's ancient ancestry revealed

A study by University of Calgary researchers found that mountain caribou populations are remnants of a blending between two major subspecies of caribou during the last ice age. The analysis of DNA and tracking data showed that they are hybrids with genetic expressions of migratory behavior.

SourceUniversity of Calgary·JournalMolecular Ecology·DateJan 28, 2009

The global impact of climate change on biodiversity

New research found that tropical insects have shifted their habitats by an average of 67 meters over the past 42 years due to climate change, posing a major threat to global biodiversity. The study, published in PNAS, provides evidence for the impacts of climate change on these crucial species.

SourceUniversity of York·JournalProceedings of the National Academy of Sciences·DateJan 21, 2009

Acid soils in Slovakia tell somber tale

A new study published in Nature Geoscience reveals the devastating impact of increased nitrogen deposition on Slovakian soil acidity, compromising plant fertility and surface water quality. Researchers warn that many soils are already susceptible to this process due to decades of human-influenced pollution.

SourceU.S. Geological Survey·JournalNature Geoscience·DateNov 17, 2008

Stanford study uses genetic evidence to trace ancient African migration

Researchers used a genetic technique pioneered at Stanford to analyze Y chromosomes from men in Tanzania and southern Africa. They discovered a novel mutation shared by some men in both locations, implying a common ancestor, and found that pastoralists first tended sheep and cattle in southern Africa around 2,000 years ago. This new ge...

SourceStanford Medicine·JournalProceedings of the National Academy of Sciences·DateAug 4, 2008

Reliance on unverifiable observations hinders successful conservation of wildlife species

Researchers found that unverifiable observations can lead to the overestimation of rare species' ranges and abundance. A 'sliding scale' of evidentiary standards was developed to help managers determine the suitability of evidence in conservation decisionmaking, prioritizing physical evidence for extinct or highly rare species.

Virginia Tech researchers find human virus in chimpanzees

Researchers have found a human virus in chimpanzees in Tanzania's Mahale Mountains National Park, which may be transmitted from visiting scientists and tourists. The discovery highlights the need for more research to establish a comfortable level of proof and protect the region through science-based changes.

SourceVirginia Tech·JournalAmerican Journal of Primatology·DateJun 3, 2008

Communing with nature less and less

Researchers found a significant decline in per capita visits to U.S. national parks since the late 1980s, correlating with an increase in sedentary activities like video gaming and watching movies. This shift, known as 'videophilia,' has far-reaching consequences for physical and mental health, particularly in children.

SourceUniversity of Illinois Chicago·JournalProceedings of the National Academy of Sciences·DateFeb 4, 2008

Scientists discover new species of giant elephant-shrew

The newly discovered grey-faced sengi (Rhynchocyon udzungwensis) is a large, rare species found only in two high-altitude forest blocks in Tanzania's Udzungwa Mountains. Its unique features include a distinctive grey face and jet-black lower rump, highlighting the region's exceptional biodiversity.

SourceWiley·JournalJournal of Zoology·DateFeb 1, 2008

Evolution tied to Earth movement

Researchers argue that the accelerated uplift of mountains and highlands in East Africa blocked ocean moisture, favoring human ancestors who adapted to walking on two feet. The 'Wall of Africa,' spanning from Ethiopia to South Africa, played a significant role in shaping climate and vegetation.

To catch a panda

A MSU Ph.D. candidate is tracking up to four wild pandas in the Sichuan Province of China using advanced global positioning systems to map their habitat preferences, providing crucial data for conservation efforts.

The fastest continent

A team of researchers has found that the Indian plate is only about 100 km thick, whereas the other parts of Gondwanaland are about 200 km thick. This discovery explains why India moved faster and further than the other parts of the supercontinent during its break-up.

SourceHelmholtz Association·JournalNature·DateOct 17, 2007

New finding bubbles to surface, challenging old view

Chemical engineers discovered a fundamental flaw in the conventional view of how liquids form bubbles that grow and turn into vapors. The new findings apply to homogeneous nucleation and suggest multiple possible pathways for phase transition, potentially leading to practical safety benefits for industry.

SourcePurdue University·JournalPhysical Review Letters·DateAug 20, 2007

Climate change isolates Rocky Mountain butterflies

A new study finds that climate change is isolating groups of alpine butterflies in the Canadian Rockies, leading to population decline and increased risk of local extinction. The expanding forests and reduced prescribed burns are limiting the butterflies' ability to fly and reproduce, threatening their survival.

SourceUniversity of Alberta·JournalProceedings of the National Academy of Sciences·DateAug 13, 2007

Early fire risk for mountains near Los Angeles

Researchers developed a new way to predict when vegetation dries to its most vulnerable state to large-scale fires in the Santa Monica Mountains near Los Angeles. The study found that global warming has not caused any apparent long-term trend toward early fire seasons in the area.

SourceUniversity of Utah·JournalInternational Journal of Wildland Fire·DateJul 1, 2007

Female chimps keep the bullies at bay

A study by Akiko Matsumoto-Oda found that female chimpanzees do not synchronize their reproductive activities, reducing opportunities for less-desirable males to coerce them into mating. This strategy allows females to mate with higher-ranking males who possess desirable social and physical characteristics.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateMar 7, 2007

Grizzly bears feast on diverse diet

A new study found that grizzly bears in the foothills of Alberta have a varied diet, eating everything from ants to moose and berries. The research team identified 40 different food items, with moose being the most common prey, and found that the bears' activity patterns vary depending on the season and environment.

SourceUniversity of Alberta·JournalJournal of Mammalogy·DateFeb 14, 2007