Why the Amazon rainforest is so rich in species
...ient and hadn't produced many species over tens of millions of years, such as the clear-winged butterflies [th...inforest do not split into new species for tens of millions of years. ...Biologists discover new pathway into plant cells
...n evolving separately from animals for hundreds of millions of years. With a new delivery mechanism such as this, applied research could be done either to help or harm plant cells ?by increasing or controlling their growth, or introducing new characteristics. ...UCR environmental scientists propose chemical solution to cleaning California's Salton Sea
... to several endangered bird species and visited by millions of waterfowl every year. Massive fish kills are a common occurrence at the Salton Sea, however, because of low dissolved oxygen, high hydrogen sulfide and ammonia concentrations, high temperatures and an increasing level of salinity. Due to noxiou...Group proves it's possible to grow new lung alveoli by growing new blood vessels
...ect, the virus carried the protein to the heart of millions of lung cells. Once inside the cells, the growth factor proteins went to work doing the job they were programmed to do. The results were striking: In microscopic images, the scientists have charted the growth of alveoli and lung capillaries. In a ty...Some good news for the world's poor
...is unprecedented yield improvement not only helped millions avoid starvation but also saved thousands of hecta...y small figure in percentage terms translates into millions of better-fed children in actual terms. However, Dr. Fan warns in his research conclusions that mos...Recreating 'Flowers for Algernon' with a happy ending
...ion about statins, the drugs already prescribed to millions of people worldwide to lower cholesterol. "Steve raced into my lab and shared what he'd learned: statins work on the Ras protein that is altered by NF1 and play a key role in learning and memory," recalled Silva. "It was the researcher's equival......trokes lead to death or permanent disabilities for millions of people every year when an interruption of the flow of blood to brain cells deprives them of vital oxygen and nutrients. But the fate of the cells seems to depend on what happens next. Scientists discovered that damaged and dying brain cells are ve...Penicillin, amoxicillin: Step aside for strep throat treatment
... used to treat the strep germ, the bug that causes millions of sore throats in U.S. children every year, simply aren't doing the job and aren't as effective as newer antibiotics known as cephalosporins. In results presented today at a large infectious disease meeting, the annual Interscience Conference on Ant...Ancient trans-Atlantic swarm brought locusts to the New World
...eep flying." Another possibility is that among the millions of swarming locusts were a few exceptional insects that somehow managed to survive the flight. Lovejoy adds that high-altitude winds would have been essential for the swarm's flight. There is a modern-day example of this phenomenon -- in October 1998...Underlying cause of massive pinyon pine die-off revealed
...cent drought was the underlying cause of death for millions of pinyon pines throughout the Southwest, according to new research. The resulting landscape change will affect the ecosystem for decades. Hotter temperatures coupled with drought are the type of event predicted by global climate change models. The ...First big influenza genome study reveals flu evolution
..., three pandemics--in 1918, 1957, and 1968--caused millions of deaths. Today, scientists worry that virulent influenza strains in other species, such as the H5N1 bird flu strain found in poultry and migratory birds in Asia and Russia, will jump the species barrier into humans and trigger a new pandemic. Al...New possibilities for flu antiviral and vaccine research emerge from 'Spanish flu' virus
...velops into a global pandemic, potentially costing millions of lives. Therapies against a new flu strain would need to disarm the parts of the virus that do the most damage to the body. In order to learn which components of the virus would be the best targets for such therapies, Terrence Tumpey of the Center...Scientists observe how a close bond activates the immune system
...ne response to a foreign invader can number in the millions as the body's soldiers, T cells, are called into action. What triggers this complex response begins when T cells and dendritic cells, another type of immune cell, form a kind of molecular embrace, or immunological synapse, to relay information about ...Dangerous tricksters: Some bacterie use immune cells to reproduce
...y spadeful of soil from an affected farm there are millions upon millions of rhodococci, yet it practically never happens that healthy humans are successfully infected by the...Pillows - a hot bed of fungal spores
...unded by the Fungal Research Trust have discovered millions of fungal spores right under our noses - in our pillows. Aspergillus fumigatus, the species most commonly found in the pillows, is most likely to cause disease; and the resulting condition Aspergillosis has become the leading infectious cause of...'Nanospheres' that block pain of sensitive teeth
...credibly sensitive, and that cause severe pain for millions of adults and children worldwide. Preliminary research presented today at the Institute of Physics conference EMAG-NANO 2005 shows that creating tiny spheres of a ceramic material called hydroxyapatite could be a long term solution or cure for sens...K-State researchers study insects' immune system
...stem of one species of insect very well, there are millions of species of insects and they're all different from each other. Even though they will have some things in common, there's a lot to do for many lifetimes for people doing research on biochemistry in insects." Researchers involved with the study incl...Give thanks for the cranberry, say dental researchers
...h, if successful, would improve the oral health of millions of people worldwide. Koo's work with cranberry juice is one of nine projects funded through a special program by the National Institutes of Health to test the berry's reputed health-enhancing effects. The other projects focus on topics such as urina...Once-dreaded leprosy 'replaced' by tuberculosis, say researchers
...far more deadly disease, overtook leprosy, killing millions throughout Europe. Their conclusion is based upon...s still a major, long-term, epidemic disease, with millions of new cases reported around the world each year. ......pated in the sequencing study, Brazil produces 7.5 millions tonnes of it each year. Reference: Journal of Bacteriology 187, 5568 (2005) ...