News tagged with mechanism
Researchers identify gene with possible link to infertility in mice
Oct 02, 2009 |
not rated yet |
0
Virginia Commonwealth University researchers have identified the role of a gene in regulating molecular signals involved with ovarian follicle development, which may one day help shed light on some of the causes of fertility ...
Genetic conflict in fish led to evolution of new sex chromosomes
Oct 01, 2009 |
4.6 / 5 (5) |
0
University of Maryland biologists have genetically mapped the sex chromosomes of several species of cichlid (pronounced "sick-lid") fish from Lake Malawi, East Africa, and identified a mechanism by which new ...
Nero's rotating banquet hall unveiled in Rome
Other Sciences / Archaeology & Fossils
Sep 29, 2009 |
5 / 5 (5) |
0
(AP) -- Archaeologists on Tuesday unveiled what they think are the remains of Roman emperor Nero's extravagant banquet hall, a circular space that rotated day and night to imitate the Earth's movement and ...
Researchers discover a new antibacterial lead
Sep 27, 2009 |
3.8 / 5 (6) |
0
(PhysOrg.com) -- Antibiotic resistance has been a significant problem for hospitals and health-care facilities for more than a decade. But despite the need for new treatment options, there have been only two ...
Migrating monarch butterflies 'nose' their way to Mexico
Sep 24, 2009 |
3.8 / 5 (4) |
0
The annual migration of monarch butterflies from across eastern North America to a specific grove of fir trees in Mexico has long fascinated scientists who have sought to understand just how these delicate ...
Schizophrenia gene linked with abnormal neurogenesis in adult and postnatal brain
Medicine & Health / Neuroscience
Sep 23, 2009 |
4.8 / 5 (4) |
0
Scientists now have a better understanding of a perplexing gene that is associated with susceptibility for a wide spectrum of severely debilitating mental illnesses. Two independent research studies published by Cell Press ...
A turning point in the struggle against cancer?
Sep 21, 2009 |
4 / 5 (1) |
0
For the past 40 years, cancer research at MIT has focused on identifying the molecular mechanisms that cause the disease.
Calcium channels optimize learning
Medicine & Health / Neuroscience
Sep 18, 2009 |
4.4 / 5 (10) |
0
(PhysOrg.com) -- Researchers at the Friedrich Miescher Institute for Biomedical Research, Switzerland, have shown how calcium channels in the brain have a positive impact on learning. Their results have been ...
Genetic sex determination let ancient species adapt to ocean life
Sep 16, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- A new analysis of extinct sea creatures suggests that the transition from egg-laying to live-born young opened up evolutionary pathways that allowed these ancient species to adapt to and thrive ...
Scientists find mechanism that constructs key brain structure
Medicine & Health / Neuroscience
Sep 16, 2009 |
5 / 5 (4) |
0
Yale University researchers have found a molecular mechanism that allows the proper mixing of neurons during the formation of columns essential for the operation of the cerebral cortex, they report in the ...
Reading Kafka, watching Lynch improves learning, study suggests
Medicine & Health / Psychology & Psychiatry
Sep 15, 2009 |
4.3 / 5 (10) |
2
Reading a book by Franz Kafka -- or watching a film by director David Lynch -- could make you smarter.
Protected fear memories
Medicine & Health / Psychology & Psychiatry
Sep 11, 2009 |
4 / 5 (4) |
1
(PhysOrg.com) -- In the latest issue of Science, researchers from the Friedrich Miescher Institute for Biomedical Research, Switzerland, show how a class of proteins surrounding nerve cells allows fear memories to persis ...
Researchers identify one of the necessary processes in the formation of long-term memory
Medicine & Health / Neuroscience
Sep 08, 2009 |
4 / 5 (1) |
0
A new study that was carried out at the University of Haifa has identified another component in the chain of actions that take place in the neurons in the process of forming memories. This discovery joins a line of findings ...
Plants choose ammunition carefully
Sep 03, 2009 |
5 / 5 (2) |
1
Plants are anything but as defenceless as they might seem. Various plant hormones work together to specifically fend off attacks. Dutch researcher Antonio Leon-Reyes has now shown how these hormones cooperate. By 'consulting' ...
The anti-diabetic effects of sodium tungstate revealed
Aug 27, 2009 |
4 / 5 (1) |
1
The molecular mechanisms of tungstate activity in diabetes have been uncovered. Researchers writing in the open access journal BMC Genomics have identified the pathways through which sodium tungstate improves pancreatic functi ...
