9,000-year-old stone tools found in Mexico
Updated: 2011-10-31 13:23:10
Stone tools which date back to the Holocene era have been discovered in northwestern Mexico. The objects were found at an archaeological site known as El Coyote, located in the Los Cabos region, the INAH said, adding that they “bolster the hypothesis” that the first colonists of the hemisphere populated the region via watercraft migration, [...]
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Two ancient depictions of childbirth, the first of its kind ever found, have been discovered on a fragment of pottery in Italy. An archaeological excavation at Poggio Colla, the site of a 2,700-year-old Etruscan settlement in Italy’s Mugello Valley, has turned up a surprising and unique find: two images of a woman giving birth to [...]
Since I have a master’s and doctoral degree in health education and since I’m a professor in a department of public health with an undergraduate curriculum that includes substantial attention to health education, I participate in the email discussion group of HEDIR, the Health Education Directory. On August 16th, I received a message to the [...]
The remains of a body which dates back to the 17th century have been found underneath a street in Dublin, Ireland. Bones from the skeleton were uncovered by builders working on enhancement projects in the Smithfield area of the city. They notified archaeologists, who arrived to preserve the remains which are thought to date from [...]
The latest excavations at Göbeklitepe in Turkey shows that the residents of the site had a belief system over 12,000 years ago. Göbeklitepe includes many temples and archaeological works from the Neolithic era. Kürkçüo?lu evaluated the excavation, which is being carried out by Prof. Dr. Klaus Schmidt from the Berlin Germany Archaeology Institute. The latest [...]
Researchers are now using a DNA-based method to determine the contents of ancient amphorae. Shipwrecks and other sites have yielded plenty of intact amphorae. Maddeningly, nearly all are empty, devoid of obvious clues to what they once held. Researchers have scraped bits of ceramic from the vessel’s interior to look for leftover genetic material. In [...]
New research suggests that by sailing to the New World, Chrisotpher Columbus and the explorers that followed him may have triggered climate cooling in Europe. The European conquest of the Americas decimated the people living there, leaving large areas of cleared land untended. Trees that filled in this territory pulled billions of tons of carbon [...]
Scientists have genetically mapped the bacterium responsible for the Black Death. Mapping Black Death marks the first time an ancient pathogen has been reconstructed in its entirety and will allow researchers to track changes in its evolution and virulence over time. The study, published in the science journal Nature, sheds light on how epidemics develop [...]
A rare iron foundry which dates back to the 1700s has been found during a dig in northwestern England. The foundry buildings are shown arranged around three sides of a courtyard with three large roadside buildings and the iron-monger shops to the north. Excavation revealed evidence of two large rooms, one which would have been [...]
Source: Larry Ozeran, Mark R. Anderson, ACGroup Content: “Health Information Technology (HIT) has a history dating back almost 50 years to its origins in bioinformatics. The earliest HIT pioneers considered how best to encode and store information about patient treatment, but were limited primarily to basic science research projects or managing patients in their own [...] (Source: ICMCC: The International Council on Medical and Care Compunetics)
The mud brick remains of what may be the oldest Roman Catholic church in Peru have been uncovered near Piura. The church outside the northern coastal city of Piura was built in 1534 but its mud walls deteriorated over time as Spanish conquistadors abandoned the area, said archaeologist Cesar Astuhuaman of Piura University. Historical documents [...]
The remains of a wealthy teenage girl have been found in what is believed to be a newly discovered henge in Kent, England. The discovery of the 17-year-old’s grave — along with a unique prehistoric pot inside of a ringed ditch near two other women — strengthens the idea that important death-related rituals took place [...]
A new experimental oral medication known as Purpurex (New Vitality) is effective in improving and even
clearing the appearance of senile purpura, while helping to prevent new lesions from occurring, according to a
recent study.
Nonsurgical treatments offer an alternative approach when surgical options are not optimal for
treating certain cases of nonmelanoma skin cancer in elderly patients, according to an expert. Topical and oral
medications are useful if skin cancer is in a delicate area, enabling clinicians to eliminate the tumor or shrink
it so it can be removed surgically.
The good news is that the battle over the budget in Washington has opened the door to serious
consideration for reforming the formula used to pay physicians under Medicare. The bad news? Proposals being
considered to pay the tab could bring considerable pain.
Nails undergo a significant number of changes in elderly patients, including discoloration, increased
curvature and a 40 percent reduction in the growth rate, according to Richard K. Scher, M.D., professor emeritus,
dermatology, Columbia University, New York, and the University of North Carolina, Chapel Hill.
Solar lentigines are common in the aging patient, with 90 percent of Caucasians over age 60 having the
condition. Even those who diligently used sunscreen may experience lentigines, because most sunscreens don't block
all UV waves.
Venous leg ulcers are fairly common in the elderly population — 5 to 10 percent of
seniors will experience them — but dermatologists can take steps to better diagnose, treat, manage
and even prevent them, according to one expert.
Jessica J. Krant, M.D., M.P.H., says one of her goals at her Fifth Avenue, New York, dermatology
practice is to go totally paperless. So she has implemented several online options — including
appointment booking — that not only eliminate paper, but also help streamline the office's workload.
"Patients love it," she says.
Razor blade design is a carefully studied science. There is no substitute for a well-designed blade in
obtaining the optimal shave. Old razor blades or blades that have been dropped or exposed to solvents are
permanently damaged and cannot deliver a quality shave.
Practicing physicians are allowed to exercise their professional judgment and prescribe approved drugs
for unapproved, or off-label, purposes. Physicians have been judicially accorded broad and unconstrained
prescribing authority for years; "off-label" simply means that a drug is being used or prescribed
in a manner inconsistent with its FDA-approved indication.
Injectables do not replace rhinoplasty, but they offer a viable alternative for those interested in
nasal reshaping who are unwilling to undergo surgery, say Vince Bertucci, M.D., and Jean-Fran?ois Tremblay,
M.D.
Tanya Kormeili, M.D., was 3 years old when the Iranian Revolution began to unravel her family's life.
As pro-democracy Jews living in Tehran, the Kormeilis experienced an erosion of their freedoms with each year of
the Ayatollah Khomeini's reign.
Analyses of data from two large, prospective, phase 3 studies investigating ustekinumab (Stelara,
Janssen Biotech) for the treatment of moderate-to-severe plaque psoriasis are consistent in demonstrating the
safety and efficacy of restarting the biologic if treatment is temporarily interrupted.
The Department of Health and Human Services is proposing a new rule that would allow patients to have
direct access to their lab test results. The tests that dermatologists send, such as biopsies, can indicate serious
medical conditions. On Call asked dermatologists around the country what they think about patients being able to
access their lab results directly, without the benefit of the physician's knowledge and experience to interpret
their meaning.
I have always looked for evidence of volunteerism on the applications of every candidate seeking a
residency training position in dermatology. I've found that medical students who make the effort to volunteer their
time to help someone in need truly make the best residents. They are generally caring, thoughtful individuals who
recognize that the special gifts they have been given deserve to be "paid back" to society in some
way.
As filler products change, so do the aesthetics that guide their use, says Heidi A. Waldorf, M.D.,
director of laser and cosmetic dermatology, Mount Sinai School of Medicine, New York. "The modern approach
to soft-tissue augmentation is based on a three-dimensional approach rather than the old two-dimensional
approach," Dr. Waldorf says.
A survey by Merritt Hawkins found that patients wait 22.1 days on average to see a dermatologist, with
waits ranging from 3.4 to 104.4 days, depending on the geographical location. Physician assistants and nurse
practitioners offer dermatologists an excellent way to expand their availability to more patients, but the value of
these advanced practice providers goes well beyond scheduling.
Botulinum toxins, fillers and lasers are all powerful Aesthetic tools commonly used for rejuvenation.
These modalities may also have use in some cases where reconstruction of postsurgical scarring is desired,
according to a Denver dermatologist.
Thinning hair is often a result of the aging process, and it affects both men and women in their later
decades, usually around age 60, according to Vera Price, M.D., F.R.C.P.C., professor of dermatology, University of
California, San Francisco.
A male hunter’s coat which dates back to 300 A.D. has been found in a melting glacier in Norway. In total, seventeen textiles and garments have been received at the museum, including a leather shoe and several other pieces of clothing. However, the men’s coat is the first one that has been dated and preserved. [...]