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Simple Eyes Of Only Two Cells Guide Marine Zooplankton To The Light
Scientists now explain the
remarkable ability of marine
zooplankton to swim towards light.
A new study reveals how simple
eyes of only two cells, sense the
direction of light and guide
... > full story
- more on:
Could Marijuana Substance Help Prevent Or Delay Memory Impairment In The Aging Brain?
Scientists are finding that
specific elements of marijuana can
be good for the aging brain by
reducing inflammation there and
possibly even stimulating the
... > full story
- more on:
New Nano Satellite Mission To Examine Link Between Lightning And Terrestrial Gamma Ray Flashes
Massive energy releases occur
every day in the upper reaches of
Earth's atmosphere. Lightning may
give rise to these bursts of
radiation. However, unlike the
... > full story
- more on:
Forgotten But Not Gone: How The Brain Re-learns
Thanks to our ability to learn and
to remember, we can perform tasks
that other living things can not
even dream of. However, we are
only just beginning to get the
gist of what really goes on in the
brain when it learns or forgets
... > full story
- more on:
'Powerhouses' From Living Cells -- Mitochondria -- Power New Explosives Detector
Researchers in Missouri have
borrowed the technology that
living cells use to produce energy
to develop a tiny, self-powered
sensor for rapid detection of
... > full story
- more on:
Iconic Rings And Flares Of Galaxies Created By Violent, Intergalactic Collisions
The bright pinwheels and broad
star sweeps iconic of disk
galaxies such as the Milky Way
might all be the shrapnel from
massive, violent collisions with
other galaxies and galaxy-size
... > full story
- more on:
'4-D' Microscope Revolutionizes The Way We Look At Nano World
More than a century ago, the
development of the earliest motion
picture technology made what had
been previously thought "magical"
a reality: capturing and
recreating the movement and
... > full story
- more on:
Beta Pictoris Planet Finally Imaged?
A team of French astronomers have
discovered an object located very
close to the star Beta Pictoris,
and which apparently lies inside
its disc. With a projected
distance from the star of only 8
times the Earth-Sun distance, this
... > full story
- more on:
Concealed Glaciers Discovered On Mars At Mid-latitudes
Vast Martian glaciers of water ice
under protective blankets of rocky
debris persist today at much lower
latitudes than any ice previously
identified on Mars, says new
research using ground-penetrating
... > full story
- more on:
Pluripotent Stem Cells Shown To Generate New Retinal Cells Necessary For Vision, Study Finds
Pluripotent stem cells -- those,
like embryonic stem cells, that
give rise to almost every type of
cell in the body -- can be
converted into the different
... > full story
- more on:
Roll over headlines to view top news summaries:
- Tiny Eyes Guide Marine Zooplankton To Light
- Could Marijuana Substance Help Aging Brain?
- Nano Satellite To Examine Gamma Ray Flashes
- Forgotten But Not Gone: How The Brain Re-learns
- Mitochondria Power New Explosives Detector
- Galaxy Flares Created By Violent Collisions
- '4-D' Microscope Opens New View On Nano World
- Beta Pictoris Planet Finally Imaged?
- Concealed Glaciers Discovered On Mars
- Stem Cells Make New Retinal Cells In Tadpoles
More Science Headlines
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2 pm EST Edition
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2 pm EST
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Lactic Acid Found To Fuel Tumors
November 23, 2008 — A team of researchers has found that lactic acid is an important energy source for tumor cells. In further experiments, they discovered a new way to destroy the most hard-to-kill, dangerous tumor ... > full story -
Drug Addiction: Environmental Conditions Play Major Role In Effective Treatment And Preventing Relapses, Animal Study Shows
November 23, 2008 — Environmental conditions play a major role in treating drug addiction and in preventing relapses, according to new research. For the first time, researchers have shown that positive and stimulating ... > full story -
New Technologies Gearing Up To Meet Rising Demand For Vital Malaria Drugs
November 23, 2008 — Three emerging technologies have the potential to significantly improve supplies of drugs to combat malaria, according to a new ... > full story -
Fluorescence Used To Develop Method For Detecting Mercury In Fish
November 23, 2008 — Researchers have developed a simple and quick method for detecting mercury in fish and dental samples, two substances at the center of public concern about mercury contamination. The technique ... > full story -
Behavior Very Similar In Distracted Humans And Rats On Neurotransmitter Blocker
November 23, 2008 — When picking through a basket of fruit, it doesn't seem very difficult to recognize a green pear from a green apple. This is easy, thanks to "feature binding" -- a process by which our brain combines ... > full story
11 am EST
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New Approach To Screen Individuals For Early Alzheimer's Disease
November 23, 2008 — With millions of baby boomers entering late adulthood, the number of patients with Alzheimer's disease is expected to drastically rise over the next several decades. A team of national researchers, ... > full story -
Glacial Erosion Changes Mountain Responses To Plate Tectonics
November 23, 2008 — Intense glacial erosion has not only carved the surface of the highest coastal mountain range on earth, the spectacular St. Elias range in Alaska, but has elicited a structural response from deep ... > full story -
Ideal Time For Stem Cell Collection Defined For Parkinson's Disease Therapy
November 23, 2008 — Researchers have identified a stage during dopamine neuron differentiation that may be an ideal time to collect human embryonic stem cells for transplantation to treat Parkinson's disease, according ... > full story -
Energy and the Environment
Energy Technology
Renewable Energy
Environmental Science
Sustainability
PetroleumCan Renewable Energy Be Sustained?
November 23, 2008 — Engineers and entrepreneurs are rushing to explore alternative sources of efficient and renewable energy. One professor has strong words of caution as projects involving wind farms and photovoltaic ... > full story -
Methamphetamine Abuse Linked To Underage Sex, Smoking And Drinking
November 23, 2008 — Teens who have never done drugs, but engage in other risky behaviours such as drinking, smoking and being sexually active, are more likely to use crystal meth, medical researchers have ... > full story
8 am EST
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Blood Component That Turns Anthrax Bacteria Virulent Identified
November 22, 2008 — Scientists have discovered the key chemical that signals Bacillus anthracis, the bacterium that causes anthrax, to become lethal. This finding opens up new avenues of exploration for the development ... > full story -
Is A Stradivarius Violin Better Than Other Violins?
November 22, 2008 — Some sell for more than $3.5 million. Only 700 of them exist, and they're stored in vaults, frequently stolen and often counterfeited. The object in question? Stradivarius violins, constructed by ... > full story -
Isolated Breast Cancer Cells In Sentinel Lymph Node Associated With Non-Sentinel Lymph Node Metastases
November 22, 2008 — Women who are found to have isolated breast cancer cells upon sentinel lymph node biopsy have a risk of having metastases in other lymph ... > full story -
Snow In The Arctic: An Ingredient In A Surprising Chemical Cocktail
November 22, 2008 — In the Arctic in spring, the snow cover gives off nitrogen oxides. This phenomenon, the extent of which had not been previously realized, is the source of one third of the nitrates present in the ... > full story -
Crafting Your Image For Your 1,000 Friends On Facebook Or MySpace
November 22, 2008 — Students are creating idealized versions of themselves on social networking websites -- Facebook and MySpace are the most popular -- and using these sites to explore their emerging identities, ... > full story
5 am EST
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Widely Used Cancer Drug Associated With Significantly Increased Risk Of Blood Clots
November 22, 2008 — The use of the cancer drug bevacizumab is associated with an increased risk of venous thromboembolism (blood clots in the deep veins of the legs or in the lungs), according to a new ... > full story -
Evolution Of The Visual System Is Key To Abstract Art
November 22, 2008 — Famous works of abstract art achieve popularity by using shapes that resonate with the neural mechanisms in the brain linked to visual information, a psychologist has ... > full story -
Increased Nonfasting Triglyceride Levels Associated With Higher Risk Of Stroke
November 22, 2008 — Elevated nonfasting triglyceride levels, previously associated with an increased risk for heart attack, also appear to be associated with an increased risk for ischemic ... > full story -
Methanization On The Farm: Integrating Nitrogen Treatment
November 22, 2008 — In Rennes, studies are being conducted to combine livestock liquid manure methanization processes with a biological nitrogen removal process. The expected benefits are measured in terms of energy ... > full story -
Oh, What A Feeling! Regaining Ability To Interpret Emotions After Severe Brain Injury
November 22, 2008 — People who have lost the ability to interpret emotion after a severe brain injury can regain this vital social skill by being re-educated to read body language, facial expressions and voice tone in ... > full story
2 am EST
-
Does Growth Hormone Drug Slow Alzheimer's Disease?
November 22, 2008 — A new study shows that a drug that increases the release of growth hormone failed to slow the rate of progression of Alzheimer's disease in ... > full story -
Burying Greenhouse Gases: New Tool Could Aid Safe Underground Storage Of Carbon Dioxide
November 22, 2008 — To prevent global warming, researchers and policymakers are exploring a variety of options to significantly cut the amount of carbon dioxide that reaches the atmosphere. One possible approach ... > full story -
Calcium Plus Vitamin D Supplementation Is Not Associated With A Reduced Breast Cancer Risk
November 22, 2008 — Taking calcium and vitamin D supplements does not reduce breast cancer incidence in postmenopausal women, according to data from a randomized, doubled-blind, placebo-controlled trial published in the ... > full story -
Identifying Invasive Australian Pine Trees In Florida
November 22, 2008 — Invasive Australian pines that crowd out native plants in Florida present a particular conundrum. In the Sunshine State, it can be very difficult to tell the look-alike Casuarina species and ... > full story -
Race Guides Neighborhood Evaluation, Study Says
November 22, 2008 — Race is a powerful determinant of how whites regard a neighborhood, according to a recent study. The investigation indicates that neighborhood evaluations are socially constructed and contribute to ... > full story
11 pm EST
-
New Cause Of Fatal Brain Injury From Acute Viral Meningitis
November 21, 2008 — What was once thought to be the culprit responsible for fatal brain damage in acute viral meningitis has now been found to be only an accomplice, say researchers at the Scripps Research ... > full story -
Urgent Action On International Coral Reef Crisis Urged
November 21, 2008 — Coral reef scientists and policy makers from the world's most prominent coral reef nations are meeting in Australia this week to develop urgent action plans to rescue the world's richest center of ... > full story -
Visual Impairment: Promising Treatment For Anti-VEGF And Retinopathy Of Prematurity Described
November 21, 2008 — A clinical study offers a promising new treatment for retinopathy of prematurity. ROP is often difficult to resolve using current treatments and can result in permanent, severe visual impairment in ... > full story -
DVR Fast-forwarding May Not Be Fatal To TV Advertising
November 21, 2008 — With the advent of digital video recorders and products like TiVo, viewers can fast-forward past commercials while playing back their favorite shows. Researchers found that viewers can retain ... > full story -
Non-white Med Students Reject Therapies Associated With Their Culture, Study Finds
November 21, 2008 — Non-white medical students are more likely to embrace orthodox medicine and reject therapies traditionally associated with their cultures. That is one finding from an international study that ... > full story
8 pm EST
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Children Of Centenarians Live Longer, Have Lower Risk Of Heart Disease, Stroke, Diabetes
November 21, 2008 — Centenarian offspring (children of parents who lived to be at least 97 years old) retain important cardiovascular advantages from their parents compared to a similarly-aged ... > full story -
Research Finds Way To Double Rice Crops In Drought-stricken Areas
November 21, 2008 — New research has yielded a way to double the output of rice crops in some of the world's poorest, most distressed ... > full story -
Calorie Restriction And Exercise Show Breast Cancer Prevention Differences In Postmenopausal Women
November 21, 2008 — Scientists have identified pathways by which a reduced-calorie diet and exercise can modify a postmenopausal woman's risk of breast ... > full story -
New Method For Tracing Metal Pollution Back To Its Sources
November 21, 2008 — A new way of pinpointing where zinc pollution in the atmosphere comes from could improve pollution monitoring and regulation, according to new ... > full story -
Uncertainty Can Be More Stressful Than Clear Negative Feedback
November 21, 2008 — We are faced with uncertainty every day. Will our investments pay off? Will we get the promotions we are hoping for? When faced with the unknown, most people experience some degree of anxiety and ... > full story
5 pm EST
-
Simple Blood Test For Colon Cancer: New Early-warning Test Detects Polyps Before Cancer Sets In
November 21, 2008 — Researchers in Israel have developed a simple early-warning test that can detect colon cancer in the blood. Using biomarkers, it is the first test on the market that can detect cells of colon polyps ... > full story -
Converting Sunlight Into Electricity: European Project Breaks Efficiency Record
November 21, 2008 — Scientists have developed photovoltaic multi-junction solar cells which are able to convert 39.7% of the energy of sun light into electricity. This is the highest percentage ever reached in Europe, ... > full story -
Male Birth Defect Associated With Certain Genetic Mutations, Study Finds
November 21, 2008 — A small percentage of males born with cryptorchidism (failure of one or both testicles to descend into the scrotum), the most frequent congenital birth defect in male children, are more likely to ... > full story -
Quantum Computers Could Excel In Modeling Chemical Reactions
November 21, 2008 — Quantum computers would likely outperform conventional computers in simulating chemical reactions involving more than four atoms, according to scientists. Such improved ability to model and predict ... > full story -
Research Sheds Light On Benefits Of Multiple Mates
November 21, 2008 — New research could explain why females of many species have multiple partners. Females of most species, including many mammals, mate with multiple partners. The driving forces for this practice, ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Isolated Breast Cancer Cells In Sentinel Lymph Node Associated With Non-Sentinel Lymph Node Metastases
Women who are found to have isolated breast cancer cells upon sentinel lymph node biopsy have a risk of having metastases in other lymph ... > full story
- Widely Used Cancer Drug Associated With Significantly Increased Risk Of Blood Clots
- Oh, What A Feeling! Regaining Ability To Interpret Emotions After Severe Brain Injury
- Does Growth Hormone Drug Slow Alzheimer's Disease?
- Calcium Plus Vitamin D Supplementation Is Not Associated With A Reduced Breast Cancer Risk
- more stories
Mind & Brain
New Approach To Screen Individuals For Early Alzheimer's Disease
With millions of baby boomers entering late adulthood, the number of patients with Alzheimer's disease is expected to drastically rise over the next several decades. A team of national researchers, ... > full story
Living Well
Crafting Your Image For Your 1,000 Friends On Facebook Or MySpace
Students are creating idealized versions of themselves on social networking websites -- Facebook and MySpace are the most popular -- and using these sites to explore their emerging identities, ... > full story
Biological & Earth Sciences
Plants & Animals
Blood Component That Turns Anthrax Bacteria Virulent Identified
Scientists have discovered the key chemical that signals Bacillus anthracis, the bacterium that causes anthrax, to become lethal. This finding opens up new avenues of exploration for the development ... > full story
Earth & Climate
Glacial Erosion Changes Mountain Responses To Plate Tectonics
Intense glacial erosion has not only carved the surface of the highest coastal mountain range on earth, the spectacular St. Elias range in Alaska, but has elicited a structural response from deep ... > full story
Fossils & Ruins
Is A Stradivarius Violin Better Than Other Violins?
Some sell for more than $3.5 million. Only 700 of them exist, and they're stored in vaults, frequently stolen and often counterfeited. The object in question? Stradivarius violins, constructed by ... > full story
Physical & Applied Sciences
Space & Time
Site List Narrows For NASA's Next Mars Landing
Four intriguing places on Mars have risen to the final round as NASA selects a landing site for its next Mars mission, the Mars Science Laboratory. The agency had a wider range of possible landing ... > full story
Matter & Energy
Can Renewable Energy Be Sustained?
Engineers and entrepreneurs are rushing to explore alternative sources of efficient and renewable energy. One professor has strong words of caution as projects involving wind farms and photovoltaic ... > full story
Computers & Math
DVR Fast-forwarding May Not Be Fatal To TV Advertising
With the advent of digital video recorders and products like TiVo, viewers can fast-forward past commercials while playing back their favorite shows. Researchers found that viewers can retain ... > full story
