Tag: "hand" at biology news
European Science Foundation's Forward Look reaches out beyond the endless frontiers
...format is eminent by its double nature: on the one hand
it allows scientists in search for a vision beyond...enges and rewarding fields ahead, and on the other hand
it supports research organisations to identify agendas for improving science policies on national an...
An early ape shows its hand
...estors. Even small fossils, such as bones from the hand
or foot can tell us much about our ancestors and t...iological Sciences reports on the structure of the hand
of Hispanopithecus, a critically important fossil from an ape that lived during the late Miocene of ...
Orangutans' communication resembles a game of 'charades'
... Captive orangutans intentionally modify or repeat hand
or other signals selectively based on the success or failure of their first attempt, according to a August 2nd study in Current Biology, a publication of Cell Press. We were surprised that the orangutans' responses so clearly signaled their assessm...
Strength of connections between brain regions may affect an adolescent's response to peer influence
...while they watched video clips of neutral or angry hand
and face movements. Previous research has shown th...hers then showed the children video clips of angry hand
movements and angry faces and measured their brain activity. They found that the brains of all child...
Hepatitis C helicase unwinds DNA in a spring-loaded, 3-step process
...igh-energy costs of the reaction. Helicases work hand
with polymerases in replication, so it makes sense that the helicase would work on one base pair at ...
News tips from the Journal of Neuroscience
...ncreased activity in the SM1 (primary sensorimotor hand
area) and the caudal PMd (dorsal premotor cortex) ...the executive motor system controlling even simple hand
movements. However, higher-order sensorimotor areas were not affected by retraining. So is it better...
UCLA researchers show that culture influences brain cells
...of gestures--American, Nicaraguan, and meaningless hand
gestures, to a group of American subjects. A procedure called transcranial magnetic stimulation (TMS) was used to measure the levels of so-called corticospinal excitability (CSE)which scientists use to probe the activity of mirror neurons. They fo...
Weeds survive the wild better than natives
...e weed. "Essentially it may give weeds the upper hand
over native plants," she said. "What I wanted to see was the herbivores eating the weeds, but this was not the case. "Herbivores demonstrated a preference for the native plant, causing higher levels of damage to the foliage of the native both in ...
JCI Table of Contents -- July 2, 2007
...EMATOLOGY Hemoglobin production gets a helping hand
Normal human hemoglobin picks up oxygen in the lungs and delivers it to needy cells in order to keep their molecular and cellular engines operating at maximal efficiency. Hemoglobin is comprised of pairs of alpha- and beta-globin chains in combina...
Europe struggles to meet the challenges posed by PGD patients travelling abroad
... as Germany, Switzerland and Ireland where, on one hand
PGD is prohibited, but on the other hand, prenatal testing and pregnancy termination for serious genetic disorders is permitted although the latter is not allowed in Ireland. The reports authors sent an on-line questionnaire to PGD and IVF clinics...
American Chemical Society's Weekly PressPac -- June 13, 2007
...ering and binding to the hot pocket, almost like a hand
fitting into a glove. In the new study, researchers report that the hot pocket actually can have internal shapes substantially different than previously believed. That new structural understanding of the 150-loop could be valuable in efforts to des...
New treatment increases life time expectancy of patients suffering from advanced liver cancer
...presented by Clnic-IDIBAPS investigators have been hand
selected to be included on the Best of ASCO program. This is an educational initiative that condenses highlights from ASCOs Annual Meeting into a 1 day program. Results are consistent and significant. Overall survival of patients treated with Sor...
Stem cells may look malignant, not act it
...nclude a population of stem cells which can on one hand
do nice things and contribute to regeneration, and on the other hand
if something goes wrong, these cells can also contribute to cancer development, of course in very ra...
HIV in breast milk killed by flash-heating, new study finds
...tive mothers contains HIV naturally. Milk had been hand
expressed into clean, locally purchased glass food jars provided by the researchers. For each sample of HIV-infected milk, researchers set aside 50 milliliters in the original collection jars and used the remainder as unheated controls. The uncover...
Left-right wiring determined by neural communication in the embryonic worm
...but we're full of internal lop-sidedness. From the hand
used to pick up a pencil or throw a baseball, to where language is generated in the brain, to the orientation of our internal organs, humans are a glut of asymmetries. Worms aren't so different: The roundworm Caenorhabditis elegans has nerves on its ...
Jaap Sinninghe Damst awarded the Vernadsky Medal for innovative use of biomarkers
...o be more applied. The ESF programmes on the other hand
have fundamental science themes. And it's nice to work with different European partners which enlarges your network, it's very good to have these contacts," said Sinninghe Damst. For example, through the ESF EuroCLIMATE project CHALLACEA, a group o...
DOE JGI sets 'gold standard' for metagenomic data analysis
...timal tools for analysis. "Having such a tool at hand
for the first time now, the community can not only compare the methods, but can also ask the question, why is this method better, or why does this one fail. Over all, we hope that it will help to improve the process and lead to further development of...
Marine reserves could save coral reefs
Threatened coral reefs could be given a helping hand
by establishing marine reserves, according to a research team led by the University of Exeter. Marine reserves have already proved to be a successful way of protecting marine life against commercial fishing. Now, research published today (15 May 2007...
Study revises dynamin's role in nerve cell function
...hat interact with dynamin 1, we'll have answers on hand
to help fix that." Dynamin 1 is one of a family of enzymes involved in synaptic vesicle endocytosis -- a reverse of the process of transmission of cellular signaling chemicals, whereby molecular components of the vesicle are retrieved from the syna...
Bat flight generates complex aerodynamic tracks
...of 25 30 centimeters about the length of a human hand
generate very different wakes," he reported in th...rs projecting back from lightweight, fused arm and hand
bones, bats have flexible, elastic membranes that stretch between specially extended, slender bones ...
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