Fecal DNA Methylation Detects Gastric And Colorectal Cancers

A preliminary evaluation of methylation of two gene promoters in fecal DNA showed promise as a noninvasive method to detect colorectal and gastric cancers, according to a new study.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 3:00 pm

High Serum Insulin Levels And Risk Of Prostate Cancer

Elevated insulin levels in the normal range appear to be associated with an increased risk of prostate cancer, according to a new study.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 3:00 pm

Young Women Consistently Exercise Less Than Young Men, Study Finds

Despite mounting public health concerns about obesity and persistent social pressures dictating that slim is beautiful, young women in their 20s consistently exercise less than young men.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 3:00 pm

Nano-bio Material Kills Cancer Cells, Leaves Healthy Cells In Unharmed

Scientists have developed a way to target brain cancer cells using inorganic titanium dioxide nanoparticles bonded to soft biological material.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 3:00 pm

Friendly Gut Bacteria Lend A Hand To Fight Infection, Study Suggests

Immunology researchers have found that bacteria present in the human gut help initiate the body's defense mechanisms against Toxoplasma gondii, the parasite responsible for toxoplasmosis.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 3:00 pm

Why Sleep? Snoozing May Be Strategy To Increase Efficiency, Minimize Risk

A sleep researcher argues that sleep's primary function is to increase the efficiency of behavior when animals are awake by regulating behavior's timing and duration.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 3:00 pm

Parasites Persuade Immune Cells To Invite Them In For Dinner

The parasites that cause leishmaniasis use a quirky trick to convince the immune system to effectively invite them into cells for dinner, according to a new study. The researchers say their findings improve understanding of the way Leishmania parasites establish an infection and could aid the search for a vaccine against this neglected tropical disease.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 9:00 am

Chronic Kidney Disease Linked To Malfunctioning Mitochondria

Chronic kidney disease (CKD) has been linked to oxidative stress caused by dysregulation of the genes that control mitochondria. A study has revealed alterations in respiration gene expression in the white blood cells of CKD patients.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 9:00 am

Ultrathin LEDs Create New Classes Of Lighting And Display Systems

A new process for creating ultrathin, ultrasmall inorganic light-emitting diodes (LEDs) and assembling them into large arrays offers new classes of lighting and display systems with interesting properties, such as see-through construction and mechanical flexibility, that would be impossible to achieve with existing technologies.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 9:00 am

'Housekeeping' Genes Play Important Role In Developmental Pathways Of Cells

A gene called HPRT plays an important role in setting the program by which primitive or precursor cells decide to become normal nerve cells in the human brain. This unconventional view of metabolic genes known as "housekeeping" genes is now reported in a new study.
Source: ScienceDaily: Latest Science News | 23 Aug 2009 | 9:00 am

Northwest fears that invasive mussels are headed its way (McClatchy Newspapers)

McClatchy Newspapers - WASHINGTON — Highly invasive mussels are lurking on the Northwest's doorstep, threatening to gum up the dams that produce the region's cheap electricity, clog drinking water and irrigation systems, jeopardize aquatic ecosystems and upset efforts to revive such endangered species as salmon.
Source: Yahoo! News: Science News | 23 Aug 2009 | 4:00 am

Bloodhound diary

The pressure starts to build for British rocket car team.
Source: BBC News | Science & Environment | UK Edition | 23 Aug 2009 | 3:29 am

The Nation's Weather (AP)

This Weather Underground forecast for Monday, Aug. 24, 2009 says a low pressure system will sweep through the Northern Plains, allowing its front to produce scattered showers and thunderstorms fromt he Southern Rockies through the Upper Midwest. A high allows dry conditions to persist in the East. (AP Photo/Weather Underground)AP - Hurricane Bill will be the big headline for the country on Sunday even through it will not even make landfall. As it parallels the Northeast coast, it will produce large waves and strong winds in the greater Cape Cod area.



Source: Yahoo! News: Science News | 23 Aug 2009 | 3:19 am

Weakened Hurricane Bill heads toward Canada (AFP)

A New York City police helicopter uses a spotlight to coax surfers out of the water in stong waves created by Hurricane Bill on Rockaway Beach in the Queens borough of New York City. A weakened Hurricane Bill bore down past the northeastern US coastline toward Canada Sunday, but it was expected to continue to lose its strength as it enters cooler waters of the Northern Atlantic(AFP/Getty Images/Mario Tama)AFP - A weakened Hurricane Bill bore down past the northeastern US coastline toward Canada Sunday, but it was expected to continue to lose its strength as it enters cooler waters of the Northern Atlantic.



Source: Yahoo! News: Science News | 23 Aug 2009 | 1:18 am

Parents of China lead victims fear for future (AFP)

A young Chinese girl gets a free blood test at a clinic in Wugang, central China's Hunan province to check if she has lead poisoning. Two environmental officials in central China are being investigated after more than 1,300 children tested positive for suspected lead poisoning.(AFP)AFP - The landscape near Hengjiang village offers a picture-postcard view of China, with rice paddies, water buffaloes and rolling green hills. It seems an unlikely spot to find industrial pollution.



Source: Yahoo! News: Science News | 22 Aug 2009 | 11:08 pm

Reward offered for information about dead grizzly (AP)

AP - The U.S. Fish and Wildlife Service is offering a reward for information leading to the conviction of whoever illegally shot and killed what officials say was one of Montana's largest grizzly bears.
Source: Yahoo! News: Science News | 22 Aug 2009 | 10:06 pm

Mexican president congratulates NASA astronaut (AP)

AP - Mexico's president is so excited about a NASA astronaut of Mexican descent that he invited him to dinner when the astronaut returns to Earth.
Source: Yahoo! News: Science News | 22 Aug 2009 | 9:11 pm

Russia dam disaster death toll up to 69: rescuers (AFP)

Pallbearers carry the coffin of a victim of the Sayano-Shushenskaya hydroelectric power dam accident at a funeral in Cheryomushky. The confirmed death toll from the disaster at Russia's largest hydroelectric plant rose to 69 on Sunday, with six people still listed as missing, a spokesman for the search and rescue team said.(AFP/File/Alexander Nemenov)AFP - The confirmed death toll from the disaster at Russia's largest hydroelectric plant rose to 69 on Sunday, with six people still listed as missing, a spokesman for the search and rescue team said.



Source: Yahoo! News: Science News | 22 Aug 2009 | 8:45 pm

City farmers

Organic fruit and veg gives Cubans edge in food crisis
Source: BBC News | Science & Environment | UK Edition | 22 Aug 2009 | 5:20 pm

Space Shuttle Discovery on Track for Tuesday Launch (SPACE.com)

SPACE.com - NASA's space shuttle Discovery is on track for a planned Tuesday launch toward the International Space Station, mission managers said Saturday.
Source: Yahoo! News: Science News | 22 Aug 2009 | 9:30 am

Robot Cats Purrrrfect for Elderly (LiveScience.com)

LiveScience.com - Robot cats and other man-made companions could help Britain's elderly, according to a report by the Royal Academy of Engineering. The report recommends that autonomous devices could provide a variety of different services to older people, ranging from basic companionship to medical monitoring. Devices with the appropriate sensors could act as fire detectors, or flash lights when doorbells or phones ring.
Source: Yahoo! News: Science News | 22 Aug 2009 | 7:51 am

Ancient Anthropods Used Borrowed Homes

Evidence suggests that ancient anthropods acted like hermit crabs.
Source: Livescience.com | 22 Aug 2009 | 7:49 am

Countdown begins for Tuesday space shuttle launch (AP)

Astronaut Nicole Stott, top left, a mission specialist and European Space Agency astronaut Christer Fuglesang, of Sweden, members of the space shuttle Discovery crew, arrive at the Kennedy Space Center in Cape Canaveral, Fla., Wednesday, Aug. 19, 2009. Discovery is targeted for an early morning launch on Aug. 25.(AP Photo/John Raoux)AP - NASA has begun the launch countdown for space shuttle Discovery.



Source: Yahoo! News: Science News | 22 Aug 2009 | 3:41 am