Who, What, Why: How long is the ideal nap?
Air traffic controllers in the US have been advised to take 26-minute naps, after a string of incidents involving workers falling asleep. So is 26 minutes the ideal length of time for a nap?
Study is the first to link sleep duration to infant growth spurts
Results provide the first documentation that infant growth in body length is concordant with changes in sleep
Adverse changes in sleep duration are associated with lower cognitive scores in middle-aged adults
Study finds that too much or too little sleep may accelerate cognitive aging by 4 to 7 years
Washing with contaminated soap increases bacteria on hands
People who wash their hands with contaminated soap from bulk-soap-refillable dispensers can increase the number of disease-causing microbes on their hands and may play a role in transmission of bacteria in public settings according to research published in the May issue of the journal Applied and Environmental Microbiology.
Rice's origins point to China, genome researchers conclude
Rice originated in China, a team of genome researchers has concluded in a study tracing back thousands of years of evolutionary history through large-scale gene re-sequencing.
First Buildings May Have Been Community Centers
Nearly 12,000 years ago, the world’s first villages began to spring up in the Near East. Until recently, archaeologists assumed that the stone and mud-brick buildings that made up these small settlements were the houses of the first farmers, who had begun to give up the hunting and gathering lifestyle.
'Nutcracker Man' had fundamentally different diet
Scientists: P. boisei probably grazed like ancient warthogs and hippos
HIV drug could prevent cervical cancer
A widely used HIV drug could be used to prevent cervical cancer caused by infection with the human papilloma virus (HPV), say scientists.
Emergency care researchers say cheap life-saving drug should be made freely available
Study measuring cost-effectiveness of tranexamic acid published in PLoS ONE
Turning 'bad' fat into 'good': A future treatment for obesity?
Johns Hopkins researchers transform inert white fat into brown fat to burn off calories and weight
Sense of justice built into the brain
A new study from the Karolinska Institute and Stockholm School of Economics shows that the brain has built-in mechanisms that trigger an automatic reaction to someone who refuses to share.
The Claim: Having Tonsil Surgery Causes Weight Gain
THE FACTS Despite concerns about its effectiveness, the childhood tonsillectomy is common.
Positive effects of depression
Evidence that depression has a positive side-effect
New evidence that caffeine is a healthful antioxidant in coffee
Scientists are reporting an in-depth analysis of how the caffeine in coffee, tea, and other foods seems to protect against conditions such as Alzheimer's disease and heart disease on the most fundamental levels.
Natural protection against radiation
In the midst of ongoing concerns about radiation exposure from the Fukushima nuclear power plant in Japan, scientists are reporting that a substance similar to resveratrol - an antioxidant found in red wine, grapes and nuts - could protect against radiation sickness. The report appears in ACS Medicinal Chemistry Letters.
Revolutionary new paper computer shows flexible future for smartphones and tablets
Queen's University's Roel Vertegaal says thinfilm phone will make current smartphone obsolete in 5 to 10 years
Finding on Dialects Casts New Light on the Origins of the Japanese People
Researchers studying the various dialects of Japanese have concluded that all are descended from a founding language taken to the Japanese islands about 2,200 years ago.
Asteroids make life's raw materials
WERE asteroids the factories that created life's building blocks? For the first time, rocks from an asteroid have been shown to power the synthesis of life's essential chemicals.
Beleaguered mission measures swirling space-time at last
The beleaguered Gravity Probe B mission has finally measured a subtle effect of general relativity called frame dragging.
Women Can Sniff Out Men Without Knowing - And Vice Versa
Sexual chemicals affect how we identify an androgynous figure.
Anatomical clues to human evolution from fish
It may seem strange that humans have evolved from fish, but the evidence can be found not just in fossils but also within our own bodies.
Why do we remember some dreams but not others?
WHY do we remember some dreams but not others? It's because the brain mechanism that controls whether we remember or forget things when we are awake is involved.
Better understanding of foot-and-mouth disease offers potential for alternatives to culling.
Dr Bryan Charleston IAH and collaborators in the University of Edinburgh have uncovered a window of opportunity when it is possible to identify cattle infected with foot-and-mouth disease virus (FMDV) before they become infectious and/or show signs of having the disease.
The $25 educational PC
Have you ever played Elite? What about games in the Rollercoaster Tycoon series, Thrillville, Lost Winds, or Kinectimals?
Link found between spending on libraries and student learning
Results consistent from studies in 22 states and 1 Canadian province
Mars Express sees deep fractures on Mars
Newly released images from ESA’s Mars Express show Nili Fossae, a system of deep fractures around the giant Isidis impact basin. Some of these incisions into the martian crust are up to 500 m deep and probably formed at the same time as the basin.
Washable RFID Tags Help Catch Hotel Towel Thieves
Plush terrycloth bathrobes, 800-thread-count sheets and fluffy, freshly laundered towels can tempt even the most law-abiding hotel guest to take up a life of suitcase-stuffing crime.
Easily distracted people may have too much brain
Those who are easily distracted from the task in hand may have "too much brain".
Schizophrenia misunderstood, psychiatrist says
Most people have heard the term "schizophrenia” and are aware that it’s a mental disorder. Unfortunately, a UC Health psychiatrist says, few people actually understand what schizophrenia is or how pervasively it affects society.
Cluster of Craters Caught on Mars
Four fresh impact craters were recently spotted scarring Mars’ volcanic plains.
Low sodium intake could be riskier than thought
Doctors have long encouraged patients to slash their salt intake for good heart health.
The brain performs visual search near optimally
In the wild, mammals survive because they can see and evade predators lurking in the shadowy bushes.
Prevalence of autism in South Korea estimated at 1 in 38 children
Autism spectrum disorders (ASD) in South Korea affect an estimated 2.64% of the population of school-age children, equivalent to 1 in 38 children, according to the first comprehensive study of autism prevalence using a total population sample.
Sexual orientation affects cancer survivorship
Gay men have a higher prevalence of cancer compared with heterosexual men, and lesbian and bisexual female cancer survivors report lower levels of health than heterosexual female cancer survivors.
'White glow' in babies' eyes a possible cancer warning
Children's cancer campaigners want a section of the personal child health record - or 'little red book' - rewritten to alert new parents to the dangers of an unusual form of eye cancer.