from 2 3

Tag: "from" at biology news

Bigger horns equal better genes

...that his study, which incorporated genetic samples from more than 150 ibex, took into account the fact tha...l rank among their competitors. "We've learned from other species, such as deer and sheep, that horn or antler size can be a good indicator of an indivi...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

...b. Millions of people the world over suffer today from obesity, yet there is no “magic bullet” that has y...td. Of Jerusalem has purchased development rights from Yissum, the Hebrew University’s technology transfer company, and is currently working towards creati...

Envisat captures first image of Sargassum from space

Sargassum seaweed has been detected from space for the first time using optical radiance data from the Medium Resolution Imaging Spectrometer (MERIS) aboard Envisat. The ability to monitor Sargassum ...

Dirty snow may warm Arctic as much as greenhouse gases

...to greenhouse gases. Snow becomes dirty when soot from tailpipes, smoke stacks and forest fires enters th...ed. The amount of warming by dirty snow varied from year to year, with higher temperatures in years with many forest fires. Greenhouse gases, which trap...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...ority of drug resistance that leads to human death from malaria. Earlier this year, they also helped descr...e. They first obtained the PfMDR1 protein sequence from the NIH PubMed data base. They then "back translated" the protein sequence using a computer program ...

Pesticides choke pathway for nature to produce nitrogen for crops

...their PNAS paper, pointed to two published studies from 2000 that had found significant declines in both c... strips nutrients such as nitrogen and phosphorous from the soil, and to tillage, which interrupts root structures and disturbs the nitrogen-fixing bacteria...

Caribbean frogs started with a single, ancient voyage on a raft from South America

Red frog from mountains of Haiti. Eleutherodactylus audanti , from Massif de la Selle. Nearly all of the 162 land-breeding frog species on Caribbean islands, includi...

New bacterium discovered -- related to cause of trench fever

... of World War I soldiers has been isolated at UCSF from a patient who had been on an international vacation. The woman, who has since recovered, suffered from symptoms similar to malaria or typhoid fever, two infections that can occur in returning travelers. ...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...more to say. They are collecting ovarian tissue from volunteers age 16 to 37 who need the tissue taken ...ional cryopreservation. Chemicals to protect cells from the hazards of freezing are added before taking tissue from the refrigerator temperature of 4 degree...

In mice, drug protects against diabetes and atherosclerosis

...ed with obesity. In this new paper, researchers from HSPH, Bristol-Myers Squibb, and elsewhere describe... The laboratory animals showed no harmful effects from the treatment, though Hotamisligil cautioned that experiments were not designed to look for such eff...

Columbine flowers develop long nectar spurs in response to pollinators

...th evolution happened during shifts in pollinators from bumblebees to hummingbirds, and from hummingbirds to hawkmoths. In between these shifts, evolution of the columbines' nectar spurs came t...

Longer treatment benefits sleep apnea patients

...with obstructive sleep apnea benefit significantly from longer nightly use of continuous positive airway pressure (CPAP), a device to improve breathing during sleep, according to a new study supported by the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health. This is th...

Brain holds clues to bipolar disorder

...alth (NIMH), suggests that bipolar disorder arises from abnormalities in neuronal plasticity cascades – the complex machinery inside of nerve cells that regulates numerous processes inside the body. Using animal and cellular models, Dr. Manji and colleagues at NIMH showed that disruptions in these pathway...

Ancient DNA traces the woolly mammoth's disappearance

... Biology, a publication of Cell Press. DNA lifted from the bones, teeth, and tusks of the extinct mammoth...etic data indicate that Siberian mammoths expanded from a small base some time before sixty thousand years ago. Moreover, they found two distinct genetic gr...

New study finds genetically engineered crops could play a role in sustainable agriculture

...zes, for the first time, environmental impact data from field experiments all over the world, involving co...epth analysis of large quantities of existing data from many individual experiments can provide a greater understanding of a complex issue. The project is ...

Newly found sensing system enables certain bacteria to resist human immune defenses

...the bacteria protect itself by warding off attacks from antimicrobial peptides (AMPs), which are defense m...drugs that are more effective at protecting people from infection. Likewise, now Dr. Otto and his research group are hoping for similar possibilities for...

Brightening prospects of using fluorescent nanotubes in medical applications

...mallest candles. These tiny tubes are constructed from carbon atoms and they are so small that it takes a...roperty has been largely academic. But researchers from the Vanderbilt Institute of Nanoscale Science and Engineering (VINSE) have removed an obstacle that ...

Research shows cord blood comparable to matched bone marrow

...tudy was done by extensive review of clinical data from transplant centers around the country and reported to the CIBMTR at the Medical College of Wisconsin, Milwaukee and the National Cord Blood Program at the New York Blood Center. The analysis included transplant outcomes in 785 children younger than 1...

Salty oceans provide early warning for climate change

...salty enough it sinks, drawing in additional water from surrounding areas, and initiates an ocean circulat...kes nearly a century for a parcel of water to move from the South Atlantic to the North Atlantic). Instead the scientists think that energy is transferred t...

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...aal, PhD, Victoria Horner, PhD, and Kristin Bonnie from the Yerkes Research Center, lead researchers Andrew Whiten, PhD, and Antoine Spireti from St. Andrews University, and Susan Lambeth, PhD, and Steven Schapiro, PhD, from the University of Tex...

1 2 3 4 5 6 7 8 9 10