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141,213 articles from ScienceDaily

What Is Dark Energy? 'Beyond Einstein' Program Aims To Investigate

NASA and the US Department of Energy should pursue the Joint Dark Energy Mission as the first mission in the "Beyond Einstein" program, according to a new report from the National Research Council. Beyond Einstein is NASA's research roadmap for five proposed mission areas to study the most compelling questions at the intersection of physics and astronomy.

Ethnic Minorities Do Stick With Clinical Research

A significant number of people from ethnic minority backgrounds can be persuaded to take part in research studies, according to a new report. This contradicts previous research that suggests that ethnic minorities are less likely to volunteer for clinical research, possibly due to famous breaches of medical ethics, such as the Tuskegee Syphilis Study.

Food Additives Linked To Hyperactivity In Children, Study Shows

A major study has shown evidence of increased levels of hyperactivity in young children consuming mixtures of some artificial food colors and the preservative sodium benzoate. The possibility of food colours and preservatives affecting children's behaviour has long been an unresolved question for parents. This significant new research provides a clear demonstration that changes in behaviour can be...

How One Storm Can Affect Another

Weather forecasting and climate modeling for the notoriously unpredictable Sahel region of Africa could be made easier in the future, thanks to new research results coming from the African Monsoon Multidisciplinary Analysis study. The scientists gathered new atmospheric data by using satellite imagery to plot flight paths over areas where storms had produced very wet soils. Dropsondes (weather...

Safer Car Controls

The number of electronic components in cars is growing rapidly. To ensure that vehicle electronics will work properly in future despite the overabundance of software and its increasing complexity, researchers are remodeling it and making it even safer. The sight of a shiny new car suggests streamlined high-tech devices. But appearances are deceptive. Under the hood, all is confusion. Around 100...

Marine Team Finds Surprising Evidence Supporting A Great Biblical Flood

Did the great flood of Noah's generation really occur thousands of years ago? Was the Roman city of Caesarea destroyed by an ancient tsunami? Will pollution levels in our deep seas remain forever a mystery? These are just a few of the questions that are being addressed by a new environmental marine research team. Scientists and Swedish environmental philanthropist Andreas Weil are collaborating on...

Non-stick Molds

Aircraft wings and dashboards are shaped in metal molds. These have to be 'greased', just like cake tins, before each molding process so that the plastic parts can be extracted at the end. A permanent coating has been designed to provide help in future. Baking a cake without greasing the tin is usually a disaster: The cake cannot be taken out in one piece. The same principle applies to the...

Teen Binge Drinkers Risk Alcoholism And Social Exclusion As Adults

Teen binge drinkers are significantly more likely to become heavy drinkers as adults and find themselves with a string of criminal convictions, indicates a new study. The researchers monitored the health and prospects of more than 11,000 UK children born in 1970 at the ages of 16 and 30. They collected information on binge drinking during the preceding fortnight and habitual drinking during the...

Device To Predict Proper Light Exposure For Human Health

Scientists have long known that the human body runs like clockwork, guided by a circadian system that responds to daily patterns of light and darkness. Now a team of researchers is developing a personal device to measure daily light intake and activity, which could allow them to predict optimal timing for light therapy to synchronize the circadian clock to the 24-hour solar day and relieve...

New Cause Of Blindness Discovered

Scientists found evidence for blindness associated with a gene involved in retinal pH regulation. Their characterization of a mouse model with a targeted disruption of the Slc4a3 gene has revealed a new cause of blindness.

Ancient Escape Tunnel Discovered In Israel

In excavations in the City of David aimed at exposing the main road in Jerusalem from the time of the Second Temple period, the city's main drainage channel was discovered. According to the writings of Josephus Flavius, the residents of the city fled to this channel at the time of the revolt in order to hide from the Romans.

Chemotherapy May Be Culprit For Fatigue In Breast Cancer Survivors

Compared to healthy women, breast cancer survivors reported more days of fatigue and more severe fatigue symptoms. Fatigue is a common complaint in the general population and, anecdotally, common among cancer patients. Comparative fatigue studies between the two populations, however, have been marred by methodological shortcomings, such as poorly matched controls and patient populations.


Bacteria Successful In Cancer Treatment

Bacteria that thrive in oxygen starved environments have been used successfully to target cancer tumours, delivering gene therapy based anti-cancer treatments. For about half of cancer sufferers our traditional treatments such as radiotherapy and chemotherapy are ineffective, so alternative techniques are being developed to target their tumours.

Which Incentives to Prevent Flu Epidemics Would Be Effective?

Recent findings from study of incentives, decision-making, and influenza epidemics may offer guidance on public health policy. Researchers have found that while family-based vaccination incentives fail to prevent severe epidemics, program that allows individuals three free annual vaccinations once they pay for the first may prove effective.

Ecologists Get To The Bottom Of Why Bears Rub Trees

Ecologists have at last got to the bottom of why bears rub trees -- and it's not because they have itchy backs. Adult male grizzly bears use so-called "rub trees" as a way to communicate with each other while looking for breeding females, and that this behaviour could help reduce battles between the bears.

Extra Gene Copies Were Enough To Make Early Humans' Mouths Water

To think that world domination could have begun in the cheeks. That's one interpretation of a recent discovery which indicates that humans carry extra copies of the salivary amylase gene. Humans have many more copies of this gene than any of their ape relatives, the study found, and they use the copies to flood their mouths with amylase, an enzyme that digests starch. The finding bolsters the idea...

Females Promiscuous For The Sake Of Their Grandchildren

Female animals that mate with multiple partners may be doing so to ensure the optimum health of their grandchildren, according to researchers. Despite mating being a risky business for females -- not least with the threat of injury, sexually transmitted diseases and vulnerability to predators - polyandry (females taking multiple mates) is widespread in the animal kingdom.

Getting There Faster With Virtual Reality

Is the navigation system too complex? Does it distract the driver's attention from the traffic? To test electronic assistants, their developers have to build numerous prototypes -- an expensive and time-consuming business. Tests in a virtual world make prototypes unnecessary. The engineer stares intently at the display on the virtual dashboard. His task is to test the new driver assistance system...