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drogy-info.cz / Novinky odjinud / New Scientist - Drugs and Alcohol
New Scientist - Drugs and Alcohol
Solar cells need to be more dull
Making solar panels less shiny is key to improving their efficiency, say several competing research teams
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Solar cells need to be more dull to power up
Making solar panels less shiny is key to improving their efficiency, say several competing research teams
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When the world catches flu, Google sneezes
A new service from the web giant warns of flu outbreaks as related searches increase in frequency - it could one day warn of new infectious diseases
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Mars rover's power dips to all-time low
A dust storm has blanketed Spirit's solar panels, providing the rover with just 10% of the energy it had when it landed
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Why fertile women hate a pretty face
Women of childbearing age rate other attractive women consistently lower than menopausal women - sexual competition may be the cause
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Thar she blows: Snot offers clues to whale health
Large cetaceans are too bulky to take blood samples, so an enterprising team has taken to chasing whales for the bugs that they blow out
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TV-sized probe to strike Moon's surface
On Friday, India's Chandrayaan orbiter will release a probe that will hit the Moon, making observations during its descent
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'Multilingual' birds learn foreign alarm calls
Recognising alarm calls - even ones from other species - can now be added to the growing repertoire of things birds can learn
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Is nanotechnology a health timebomb?
New nanomaterials need to undergo urgent testing to assess their effects on health and the environment, says an environmental commission - looks at the risks involved
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Invention: Excrement antibiotic
A compound found in muskrat faeces can effectively kill food-poisoning bacteria, claims a new patent application
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Female spiders make a meal out of lazy lovers
It isn't only men that can get in trouble for not being romantic enough - male redback spiders pay the ultimate price for neglecting courtship
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DNA strands become fibre optic cables
Future computers that use light, not electricity, could be wired with modified DNA
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Shuttle set to bring second toilet to space station
The shuttle Endeavour is set to lift off on Friday - it will carry a new toilet, two sleeping berths and a water recycling system to the station
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Speed daters go for crowd-pleasing looks
In big groups, people judge by appearances so much that the less stunning might as well forget their clever chat-up lines
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Humans may have prevented super ice age
The ice age-interglacial cycle might have given way to a big freeze lasting millions of years, had humans not intervened
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How warfare shaped human evolution
Not only is war as old as humanity itself, it may even be the driver behind cooperative behaviour
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Top US court rules for Navy in whale-sonar case
The Supreme Court says the Navy can conduct sonar training exercises without restrictions designed to protect marine mammals
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Growing waistline poses weighty risk to health
A major study confirms that a large waistline is strongly linked to an increased risk of premature death
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Poker bots raise the stakes for human players
Having beaten humans at chess and checkers, computer software engineers now have an even tougher challenge in their sights
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The odd drink in pregnancy won't harm baby
Lots of expecting mums now say they avoid even light drinking, but the latest study indicates that this may be an unnecessary precaution (full text available to subscribers)
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Babies are OK after light drinking in pregnancy
A big survey of children born in the UK shows that those born to mothers who drink a little when pregnant seem no worse off than the rest
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Keeping the psychedelic dream alive
dropped back into mainstream society to help conduct new work into the therapeutic uses of psychedelic drugs (full text available to subscribers)
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Is cannabis being doped with Viagra?
The practice could enhance uptake of psychoactive constituents in marijuana or perhaps counter marijuana-induced loss of libido
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Why the obese and smokers risk deafness
Some deafness is usually accepted as a side effect of ageing, but new research has found a direct link between lifestyle and hearing loss
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Review: by David Michaels and by Thomas O. McGarity and Wendy E. Wagner
Two books reveal how corporations have honed the ability to cast doubt on solid scientific research to the detriment of public health (full text available to subscribers)
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Is a sniff of coffee as good as a sip?
The way genes in sleep-deprived rats respond to the smell of coffee could explain why humans find the smell invigorating
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Guzzling coffee may cut heart disease
One of the largest and longest studies of coffee drinking suggests it may bring health benefits ? providing you drink enough of the stuff
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Drinking 'to escape' has a negative effect on kids
Children who prefer to sniff rotting food than beer indicate that boozing to avoid unwanted emotions can adversely affect your kids
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Tamper-proof prescription drugs may halt abuse
A rise in opioid prescriptions is fuelling an epidemic of abuse ? now a new range of tamper-resistant drugs is hoped to to deter addicts (full text available to subscribers)
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Happy thoughts may dampen cravings
Drug addicts could combat their addictions by thinking happy thoughts, which curb the excitement levels in the brain's reward centres
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Boozing mice get the blues when they dry out
Mice that drink show depression-like behaviour when alcohol is withdrawn, suggesting that alcoholics may need treatment when they give up
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Boozy tree shrews avoid fermented fruit hangovers
Alcoholic nectar is an essential part of the tree shrews' diet, but the animals avoid the effects of alcohol by metabolising most of it
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Olympic cheats: Creating a culture that rejects doping
Figuring out why some athletes take drugs while others stay clean might be the key to deterring doping (full text available to subscribers)
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Coming soon: A jab for addiction
The next generation of vaccines could help people overcome everything from drug addiction to obesity (full text available to subscribers)
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Tree shrews could drink humans under the table
Nectar-sipping shrews spend much of the time drinking alcohol but don't get drunk ? they may help us understand what drives the human taste for alcohol
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Getting inside the minds of athletes who cheat
Figuring out why some athletes take drugs while others stay clean might be the key to deterring doping (full text available to subscribers)
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A vaccine for modern living
The next generation of vaccines could help people overcome everything from drug addiction to obesity (full text available to subscribers)
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Marijuana takes on colon cancer
A component of marijuana shrinks colon tumours in mice, but would represent only half of a potential treatment
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Cannabis compound clue to colon cancer
Smoking marijuana may not be the healthiest way to do it, but taking substances similar to those found in cannabis might one day help to treat colon cancer
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Drug could protect fetuses from mothers' drinking
Researchers have stopped alcohol from depleting cells in the brains of the fetuses of pregnant sheep
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