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Tendencias 21

25 Aniversario


New feather findings get scientists in a flap - 22/10/2014 / Leido 6 veces/ Comentarios 0

Scientists have revealed that feather shafts are made of a multi-layered fibrous composite material, much like carbon fiber, which allows the feather to bend and twist to cope with the stresses of flight. Since their appearance over 150 million years ago, feather shafts (rachises) have evolved to...

New guide highlights ways to boost use of multi-sensory environments in dementia care - 21/10/2014 / Leido 435 veces/ Comentarios 0

Academic experts from Kingston University London and the University of Southampton in the United Kingdom have unveiled a guide that sheds new light on the positive impact multi-sensory environments can have when caring for people living with dementia. The publication outlines the importance of...

Special microscope captures defects in nanotubes - 21/10/2014 / Leido 5 veces/ Comentarios 0

Chemists have devised a way to see the internal structures of electronic waves trapped in carbon nanotubes by external electrostatic charges. Carbon nanotubes have been touted as exceptional materials with unique properties that allow for extremely efficient charge and energy transport, with the...

Competition keeps health-care costs low, U.S. researchers find - 21/10/2014 / Leido 5 veces/ Comentarios 0

Medical practices in less competitive health-care markets charge more for services, according to a study. The study, based on U.S. health-care data from 2010, provides important new information about the effects of competition on prices for office visits paid by preferred provider organizations,...

Smoking interferes with neurocognitive recovery during abstinence from alcohol - 21/10/2014 / Leido 5 veces/ Comentarios 0

Researchers know that alcohol-dependent individuals (ALC) sustain neurocognitive impairment even after detoxification. A new study examines specific domains of cognitive recovery in conjunction with smoking status. Findings show that smoking status influenced the rate and level of neurocognitive...

2015 será un año decisivo para el desarme nuclear - 21/10/2014 / Leido 332 veces/ Comentarios 0

“Una de las grandes paradojas de la ciencia moderna” es que los seres humanos buscan vida en otros planetas mientras que las potencias nucleares del mundo mantienen y modernizan sus armas para destruir la vida en la Tierra, sentenció el secretario general de la ONU, Ban Ki-moon. ...

Less-numerate investors swayed by corporate report presentation effects - 21/10/2014 / Leido 318 veces/ Comentarios 0

Less-numerate investors are more susceptible to style and presentation effects in corporate social responsibility reports, according to new research. Fuente :

Predicting the predator threatening a squirrel by analyzing its sounds and tail movements - 21/10/2014 / Leido 296 veces/ Comentarios 0

Biologists found the could quite accurately predict what type of predator was threatening a squirrel by analyzing its sounds and tail movements. Fuente :

Two vessels from WWII convoy battle off North Carolina discovered: German U-boat 576 and freighter Bluefields found within 240 yards - 21/10/2014 / Leido 338 veces/ Comentarios 0

Scientists have discovered two significant vessels from World War II's Battle of the Atlantic. The German U-boat 576 and the freighter Bluefields were found approximately 30 miles off the coast of North Carolina. Lost for more than 70 years, the discovery of the two vessels, in an area known as the...

Survey shows what Americans fear most - 21/10/2014 / Leido 276 veces/ Comentarios 0

The Chapman Survey on American Fears included 1,500 participants from across the nation and all walks of life. The research team leading this effort pared the information down into four basic categories: personal fears, crime, natural disasters and fear factors. Fuente :...
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