Tag: "exist" at biology news

Of lice and men

... "In order for the archaic human lice to still exist on modern humans, archaic and modern humans had to coexist in time and space," Clayton says. What Lice Say About Theories of Human Evolution Some of the findings conflict with two major theories of human evolution the "replac...

Research team develops nonhuman primate model of smallpox infection

... (WHO). Currently, infectious variola is known to exist only in two WHO-sanctioned repositories, one in Russia and the other at the Centers for Disease Control and Prevention (CDC) in Atlanta. However, there is concern that undisclosed reference stocks of the virus may exist, and the U.S. population is n...

The PSA bounce Does it have clinical significance?

...ounce as the possibility that the cancer may still exist after treatment," explained Eric M. Horwitz, M.D., clinical director of the radiation oncology department at Fox Chase Cancer Center and lead author of the study. "Some physicians prescribe hormonal therapy in this situation, but hormones can have s...

T cell's memory may offer long-term immunity to leishmaniasis

...chers set out to find if such central memory cells exist in leishmaniasis. The hunt for the theoretical CD4+ central memory T cells began by transferring T cells from mice infected with leishmaniasis to mice who had never faced the disease. According to Scott, some of the transferred T cells went to t...

Acoustics meeting in San Diego

.... Exploring the world of different vibrations that exist in golf balls and various parts of the golf club, Tom Mase of Michigan State University ( tmase@egr.msu.edu ) will show, for example, how varying the stiffness properties at the core of a golf ball affects how far the ball flies. (Session 4aSA) ...

Study in Royal Society journals presents evidence for inherited factors in homosexuality

...of the pore a new finding. Such channels actually exist in cells of animals and plants and there is current interest in making membranes containing artificial channels for desalination and filtration. Contact: Professor AE Hill, Physiological Laboratory, Cambridge University, Downing Site, CAMBRIDGE, CB2 ...

Channel protein converts vibrations to electrical signal

...ists have long suspected that such a molecule must exist in the tiny cilia extending from receptor cells in the inner ear. Now, researchers led by Howard Hughes Medical Institute investigator David P. Corey, who is at Harvard Medical School, have several lines of evidence that, in vertebrates, this mechano...

Delay in cutting the cord helps premature babies

... she found after surveying 303 midwives. Arguments exist for both early and delayed clamping. Clamping too soon prevents blood from returning through the umbilical cord to the baby's body. "A little extra blood can help restore blood pressure," says Raju. Low blood pressure may require transfusions of bloo...

$2.8 million NIH grant awarded to UH for bionano training

...earchers needed for the scientific challenges that exist in today's society. With applications already pouring in, he said they expect to begin handing out fellowships as early as this semester....

Clues to the puzzle of 'talking' root cells

...to cell through channels called plasmodesmata that exist between plant cells. Once it reaches its target cell, the protein migrates to the cell's nucleus -- the site of the cell's genetic material -- where it exerts its effects. Similar channels, called "nanotubes," have only recently been discovered in an...

Gene therapy approach reverses diabetic neuropathy in animal model, Pitt study finds

... or that they've experienced injury. No treatments exist that can stop progression of neuropathy, let alone reverse any damage to nerves. Five weeks after a one-time inoculation, diabetic animals receiving gene therapy had complete reversal of established peripheral neuropathy and restoration of lost nerv...

New Italian research links migraine and endometriosis

...should be advised. When endometriosis and migraine exist together each exerts a significant and independent negative effect on a woman's quality of life, and pain and the associated symptoms of migraine can be greatly reduced with adequate diagnosis and treatment." Dr Ferrero said that migraine, particular...

Scientists raise concerns about second wave of 'mad cow' prion infection

...hey reach epidemic proportions. "Whatever microbes exist in developing and third world nations will eventually exist in our blood system because humankind is on the move as never before," she stated. "Because of the s...

Growth factors confer immortality to sperm-generating stem cells

...inually self-renewing cells that produce sperm to exist in culture indefinitely. Their findings will be presented this week in the Proceedings of the National Academy of Science's online Early Edition. After being kept in culture for three months, the stem cells restored sperm production, and therefore ...

Crucial evolutionary link points to origins of modern cells

...oteins currently known to contain this arrangement exist only as components of coated vesicle complexes or NPCs. "The common architecture underlying the Nup84 complex and all three major classes of vesicle-coating complexes may be because all of the coating complexes have a common role in curving membranes...

Global warming's impact on US plants, animals determined from review of dozens of studies

... availability of breeding sites. Similar concerns exist for the Earth's waters. For example, 60 years of study have revealed that warmer-water species of fishes and intertidal species, such as starfish and sea anemone, now dominate waters near Monterey, Calif., that once were known for colder-water counte...

Ancient marine invasion sheds light on diversity

...inctions." Carbonate rocks created in cool waters exist before the invasion, but during the invasion, the rocks were formed in warmer waters. During the Ordovician, the central United States was situated on the equator. The rock deposits indicate that the temperatures were increasing on a regional scale...

Sex-determining genes of infectious fungus resemble human Y chromosome

..., they found that the fungal sex-determining genes exist in clusters of functionally related genes. For example, genes involved in mate recognition occur in tandem, as do those that govern spore production. Other researchers have found that the human Y chromosome -- and the functionally-related gene...

Ancient fossil offers new clues to brown bears past

...about 13,000 years ago--their genetic type did not exist in Beringia at that time. DNA results in the current study show that the new Edmonton specimen belongs to the same genetic group as modern southern brown bears. The age and genetic identity of this bear mean that brown bears not only made it far so...

Community living causes bacteria to diversify

...es, many different sub-populations of bacteria may exist in an infection, and each may have different strengths." Understanding how diversity is generated in biofilms may lead to strategies to block this generation of diversity and ultimately make the biofilms susceptible to treatments. Funding for the stu...

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(Date:12/15/2014)... 12, 2014 Research and Markets ... the "Global Facial Recognition Market 2015-2019" ... http://photos.prnewswire.com/prnh/20130307/600769 Facial recognition is ... Facial recognition system measures the overall facial feature ... mouth, and the distance between eyes. Facial recognition ...
(Date:12/11/2014)... , Dec. 10, 2014  That blood pressure plays ... a while. Hypertension – the medical term for high blood ... early 1800s, and the inflatable cuff that,s used in measuring ... however, mean there,s nothing new about hypertension, its triggers and ... beliefs about the condition and the best ways to treat ...
(Date:12/10/2014)... , Dec. 9, 2014  Valencell, a leader ... is seeing a staggering demand from its licensees for ... Company revealed, is not solely coming from fitness and ... well. "A wearable is only as useful ... accuracy is the ultimate driver in long-term mass consumer ...
Breaking Biology News(10 mins):Global Facial Recognition Market 2015-2019: Key Vendors are 3M Cogent, Cognitec Systems, NEC and Safran Group 2Global Facial Recognition Market 2015-2019: Key Vendors are 3M Cogent, Cognitec Systems, NEC and Safran Group 3Research points to need for new approaches to treatment of high blood pressure 2Research points to need for new approaches to treatment of high blood pressure 3Research points to need for new approaches to treatment of high blood pressure 4Wearable Technology Products Demand Highly Accurate Biometric Technology 2
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