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Dramatic Decline Found in Siberian Tigers
The last remaining population of
Siberian tigers has likely
declined significantly due to the
rising tide of poaching and
habitat loss, according to a new
report ... > full story
- more on:
Killer Fungus Threatening Amphibians
Amphibians like frogs and toads
have existed for 360 million years
and survived when the dinosaurs
didn't, but a new aquatic fungus
is threatening to make many of
them extinct, according to a new
article. ... > full story
- more on:
Spitzer Telescope Observes Baby Brown Dwarf
NASA's Spitzer Space Telescope has
contributed to the discovery of
the youngest brown dwarf ever
observed -- a finding that, if
confirmed, may solve an
astronomical mystery about how
these cosmic misfits are formed. ... > full story
- more on:
Congo's 'Mother Lode' of Gorillas Remains Vulnerable
A new study by the Wildlife
Conservation Society says that
western lowland gorillas living in
a large swamp in the Republic of
Congo -- part of the "mother lode"
of more than 125,000 gorillas
discovered last year -- are
... > full story
- more on:
Supervolcano Eruption In Sumatra Deforested India 73,000 Years Ago
A new study provides
"incontrovertible evidence" that
the volcanic super-eruption of
Toba on the island of Sumatra
about 73,000 years ago deforested
much of central India, some 3,000
... > full story
- more on:
New Chameleon Species Discovered in East Africa
A new species of chameleon has
been discovered in a threatened
forest in Tanzania. Researchers
first spotted the animal while
surveying monkeys in the Magombera
Forest when they disturbed a twig
snake eating one. ... > full story
- more on:
Common Plastics Chemicals Phthalates Linked to ADHD Symptoms
Phthalates are important
components of many consumer
products, including toys, cleaning
materials, plastics, and personal
care items. Studies to date on
phthalates have been inconsistent,
... > full story
- more on:
Spiral Galaxies: Exploring the Baffling Boxy Bulge
Just as many people are surprised
to find themselves packing on
unexplained weight around the
middle, astronomers find the
evolution of bulges in the centers
of spiral galaxies puzzling. A
recent NASA/ESA Hubble Space
... > full story
- more on:
New Wound Dressing, Full of Antibiotics, Dissolves When Wound Has Healed
Scientists have developed a new
wound dressing, based on
innovative fibers that can be
loaded with antibiotics, then
dissolve when the healing process
is completed. ... > full story
- more on:
Extensive Valley Network on Mars Adds to Evidence for Ancient Martian Ocean
Scientists have used an innovative
computer program to produce a more
detailed global map of Mars'
valley networks. It shows the
networks are much more extensive
than had been previously depicted.
... > full story
- more on:
Roll over headlines to view top news summaries:
- Dramatic Decline Found in Siberian Tigers
- Killer Fungus Threatening Amphibians
- Spitzer Telescope Observes Baby Brown Dwarf
- 'Mother Lode' of Gorillas Remains Vulnerable
- Supervolcano Deforested India 73,000 Years Ago
- New Chameleon Species Discovered in Africa
- ADHD Linked to Phthalates in Consumer Products
- Spiral Galaxies: Baffling Boxy Bulge
- Antibiotic Dressing Dissolves When Wound Heals
- Extensive valley network on Mars
More Science Headlines
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5 pm EST
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Toward Explaining Why Hepatitis B Hits Men Harder Than Women
November 24, 2009 — Scientists have discovered unusual liver proteins, found only in males, that may help explain the long-standing mystery of why the hepatitis B virus sexually discriminates -- hitting men harder than ... > full story -
Computational Microscope Peers Into the Working Ribosome
November 24, 2009 — Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used ... > full story -
Multiple Health Concerns Surface as Winter, Vitamin D Deficiences Arrive
November 24, 2009 — A string of recent discoveries about the multiple health benefits of vitamin D has renewed interest in this multi-purpose nutrient, increased awareness of the huge numbers of people who are deficient ... > full story -
How Might Navy Sonar Affect Hearing of Whales and Other Marine Animals?
November 24, 2009 — Rocket science is opening new doors to understanding how sounds associated with Navy sonar might affect the hearing of a marine mammal -- or if they hear it at ... > full story -
Anger Management
Disorders and Syndromes
Cholesterol
Multiple Sclerosis Research
Multiple Sclerosis
Today's HealthcareHigh Unexpressed Anger in Multiple Sclerosis Patients Linked to Nervous System Damage, Not Disease Severity
November 24, 2009 — People with multiple sclerosis (MS) feel more than twice as much withheld anger as the general population, but expressed anger levels are similar. Researchers were surprised by the results from the ... > full story
2 pm EST
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Why Circumcision Reduces HIV Risk
November 24, 2009 — The decreased risk of HIV infection in circumcised men cannot be explained by a reduction in sores from conditions such as herpes, according to new ... > full story -
Alternative Animal Feed Part of Global Fisheries Crisis Fix
November 24, 2009 — Finding alternative feed sources for chickens, pigs and other farm animals will significantly reduce pressure on the world's dwindling fisheries while contributing positively to climate change, ... > full story -
Liver Disease
Today's Healthcare
Diseases and Conditions
Infectious Diseases
Health Policy
Personalized MedicineAlarming Trend: Antiviral Therapy to Treat Hepatitis C Is Declining in the US
November 24, 2009 — Researchers have determined that only 663,000 of the approximately 3.9 million Americans with hepatitis C virus (HCV) infection received antiviral therapy between 2002 and 2007. If this disturbing ... > full story -
Polymer With Honeycomb Structure: Scientists Synthesize Graphene-Like Material
November 24, 2009 — Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by ... > full story -
Road Rage: Fuel Vapor Heightens Aggression, Rat Study Finds
November 24, 2009 — Outrageous prices may not be the only thing causing anger at the petrol pumps. A new study has shown that rats exposed to fumes from leaded and unleaded gasoline become more ... > full story
11 am EST
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Immune System
Multiple Sclerosis Research
Multiple Sclerosis
Diseases and Conditions
Chronic Illness
LupusFactors from Common Human Bacteria May Trigger Multiple Sclerosis
November 24, 2009 — New research suggests that a common oral bacterium may exacerbate autoimmune disease. Multiple sclerosis (MS), a disease where the immune system attacks the brain and spinal cord, affects nearly 1 in ... > full story -
Is Global Warming Unstoppable?
November 24, 2009 — In a provocative new study, a scientist argues that rising carbon dioxide emissions -- the major cause of global warming -- cannot be stabilized unless the world's economy collapses or society builds ... > full story -
Ethnic Background May Be Associated With Diabetes Risk
November 24, 2009 — Fat and muscle mass, as potentially determined by a person's ethnic background, may contribute to diabetes risk, according to a new ... > full story -
Rescuing Male Turkey Chicks
November 24, 2009 — A novel approach to classify the gender of six-week-old turkey poults could save millions of male chicks from being killed shortly after birth, according to researchers. Their use of infrared ... > full story -
Daycare May Double TV Time for Young Children, Study Finds
November 24, 2009 — In a new study, the amount of television viewed by many young children in child care settings doubles the previous estimates of early childhood screen time, with those in home-based settings watching ... > full story
8 am EST
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Medical Imaging Technique Identifies Very Common Condition in Women That Often Goes Undiagnosed
November 24, 2009 — In women with lower urinary tract symptoms, a medical imaging technique called dynamic MRI allows clinicians to diagnose pelvic organ prolapse -- a condition that often goes undiagnosed on static MRI ... > full story -
Visual Assistance for Cosmic Blind Spots
November 24, 2009 — Information field theory enables astronomers, medical practitioners and geologists to look into places where their measuring instruments are ... > full story -
Pelvic Floor Muscle Exercises Can Help Manage Urinary Incontinence In Older Women
November 24, 2009 — Researchers have found that a program of pelvic floor muscle exercises, combined with pelvic health education, can be an effective way to manage urinary incontinence in elderly ... > full story -
Straightening Messy Correlations With a Quantum Comb
November 24, 2009 — Scientists have shown how to delicately comb out a snarl of entanglements among many qubits while keeping the information ... > full story -
Direct-to-Consumer Ads Associated With Higher Medicaid Costs
November 24, 2009 — Direct-to-consumer advertising for a commonly prescribed antiplatelet drug does not appear associated with increased use, but may be associated with increased drug costs and Medicaid pharmacy ... > full story
5 am EST
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Vioxx Trial Data Shows Early Cardiovascular Risk
November 24, 2009 — Evidence of cardiovascular risks associated with taking Vioxx, the popular, nonsteroidal anti-inflammatory drug (rofecoxib), could have been identified nearly four years before its manufacturer, ... > full story -
Cassini Sends Back Images of Saturn's Moon Enceladus as Winter Nears
November 24, 2009 — NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. These ... > full story -
Malaria
Infectious Diseases
Pests and Parasites
World Development
Insects (and Butterflies)
Public Health
Mosquito Screens Found To Be Cheap And Effective In Malaria Prevention
November 24, 2009 — Trials of a screen-based malaria prevention programme in 500 homes in The Gambia, Africa, have led to a 50 per cent reduction in malaria transmission and anaemia in children. A child dies from ... > full story -
Switchgrass Produces Biomass Efficiently
November 24, 2009 — A new study concluded that 50 million US acres of cropland, idle cropland, and cropland pasture could be converted from current uses to the production of perennial grasses, such as switchgrass, from ... > full story -
Sedatives, Mood-Altering Drugs Related to Falls Among Elderly: UBC Study
November 24, 2009 — Falls among elderly people are significantly associated with several classes of drugs, including sedatives often prescribed as sleep aids and medications used to treat mood disorders, according to a ... > full story
2 am EST
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Beta-Blockers Can Have Helpful, or Harmful, Effect on Heart
November 24, 2009 — In a new study, researchers report that a class of heart medications called beta-blockers can have a helpful, or harmful, effect on the heart, depending on their molecular ... > full story -
Agriculture and Food
Energy and the Environment
Alternative Fuels
Sustainability
Environmental Science
Renewable Energy
Flax and Yellow Flowers Can Produce Bioethanol
November 24, 2009 — Surplus biomass from the production of flax sheaves, and generated from Brassica carinata, a yellow-flowered plant related to those which engulf fields in spring, can be used to produce ... > full story -
Pregnancy and Childbirth
Infant's Health
Educational Policy
Public Health
Political Science
Health Policy
Insecticide-Treated Bed Nets Reduce Infant Deaths In Democratic Republic Of Congo, Study Finds
November 24, 2009 — Giving insecticide-treated bed nets to nearly 18,000 mothers at prenatal clinics in the Democratic Republic of Congo prevented an estimated 414 infant deaths from malaria, researchers ... > full story -
Genetically Modified
Agriculture and Food
Botany
Insects (and Butterflies)
Pests and Parasites
Information TechnologyInsect Resistance to Bt Crops Can Be Predicted, Monitored and Managed
November 24, 2009 — With Bt crop acreage increasing worldwide, incorporating enhanced understanding of observed patterns of field-evolved resistance into future resistance management strategies can help to minimize the ... > full story -
Climate Change Could Boost Incidence of Civil War in Africa
November 24, 2009 — Using historical data on the relationship between temperature and conflict in Africa, researchers have estimated the effect of rising temperatures due to global warming. They concluded that the ... > full story
11 pm EST
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Gene Mismatch Influences Success of Bone Marrow Transplants
November 23, 2009 — A commonly inherited gene deletion can increase the likelihood of immune complications following bone marrow transplantation, researchers report. When the gene, called UGT2B17, is missing from the ... > full story -
International Expedition Investigates Climate Change, Alternative Fuels in Arctic
November 23, 2009 — Biogeochemistry and geology and geophysics scientists have returned from Arctic expedition exploring methane hydrate deposits in the Beaufort Sea and spatial variation of sediment contribution to ... > full story -
Climate Variability and Dengue Incidence
November 23, 2009 — New research demonstrates associations between local rainfall and temperature and cases of dengue ... > full story -
New Method to Measure Snow, Vegetation Moisture With GPS May Benefit Farmers, Meteorologists
November 23, 2009 — Scientists have found a clever way to use traditional GPS satellite signals to measure snow depth as well as soil and vegetation moisture, a technique expected to benefit meteorologists, water ... > full story -
Alcohol in Pregnancy Linked to Child Behavior Problems
November 23, 2009 — A new study has found evidence that the amount and timing of alcohol consumption in pregnancy affects child behavior in different ... > full story
8 pm EST
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New Research Shows Versatility of Amniotic Fluid Stem Cells
November 23, 2009 — For the first time, scientists have demonstrated that stem cells found in amniotic fluid meet an important test of potential to become specialized cell types, which suggests they may be useful for ... > full story -
Two Circulating Beams Bring First Collisions in Large Hadron Collider
November 23, 2009 — The Large Hadron Collider -- the world's most powerful particle accelerator -- circulated two beams simultaneously for the first time on Nov. 23, allowing the operators to test the synchronization of ... > full story -
Paradoxical Protein Might Prevent Cancer
November 23, 2009 — One difficulty with fighting cancer cells is that they are similar in many respects to the body's stem cells. By focusing on the differences, researchers have found a new way of tackling colon ... > full story -
Predicting the Fate of Underground Carbon
November 23, 2009 — Scientists have developed a new modeling methodology for determining the capacity and assessing the risks of leakage of potential underground carbon-dioxide ... > full story -
Today's Healthcare
Depression
Mental Health Research
Medical Imaging
Diseases and Conditions
Mental HealthBurned Out, Depressed Surgeons More Likely to Commit More Major Medical Errors
November 23, 2009 — Surgeons who are burned out or depressed are more likely to say they had recently committed a major error on the job, according to the largest study to date on physician burnout. The new findings ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Why Circumcision Reduces HIV Risk
The decreased risk of HIV infection in circumcised men cannot be explained by a reduction in sores from conditions such as herpes, according to new ... > full story
- Alarming Trend: Antiviral Therapy to Treat Hepatitis C Is Declining in the US
- Ethnic Background May Be Associated With Diabetes Risk
- Medical Imaging Technique Identifies Very Common Condition in Women That Often Goes Undiagnosed
- Pelvic Floor Muscle Exercises Can Help Manage Urinary Incontinence In Older Women
- more stories
Mind & Brain
Factors from Common Human Bacteria May Trigger Multiple Sclerosis
New research suggests that a common oral bacterium may exacerbate autoimmune disease. Multiple sclerosis (MS), a disease where the immune system attacks the brain and spinal cord, affects nearly 1 in ... > full story
Living Well
Skin Color Gives Clues to Health
Researchers have found that the color of a person's skin affects how healthy and therefore attractive they appear, and have found that diet may be crucial to achieving the most desirable ... > full story
Biological & Earth Sciences
Plants & Animals
Road Rage: Fuel Vapor Heightens Aggression, Rat Study Finds
Outrageous prices may not be the only thing causing anger at the petrol pumps. A new study has shown that rats exposed to fumes from leaded and unleaded gasoline become more ... > full story
Earth & Climate
Alternative Animal Feed Part of Global Fisheries Crisis Fix
Finding alternative feed sources for chickens, pigs and other farm animals will significantly reduce pressure on the world's dwindling fisheries while contributing positively to climate change, ... > full story
Fossils & Ruins
After Mastodons and Mammoths, a Transformed Landscape
Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground sloths and ... > full story
Physical & Applied Sciences
Space & Time
Cassini Sends Back Images of Saturn's Moon Enceladus as Winter Nears
NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. These ... > full story
Matter & Energy
Polymer With Honeycomb Structure: Scientists Synthesize Graphene-Like Material
Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by ... > full story
Computers & Math
Visual Assistance for Cosmic Blind Spots
Information field theory enables astronomers, medical practitioners and geologists to look into places where their measuring instruments are ... > full story
