domingo, 21 de junho de 2015

60 logotipos para inspiração

 

By Rubens Martinello


Olá pessoal, como vai a criatividade hoje? – bom espero que tudo bem, mas para dar uma ajudinha, selecionei uma lista com 60 logotipos para inspiração. Alguns bem bacanas, conceituais com um design realmente bom. Outros nem tanto, deixando a desejar em alguns itens básicos que vocês com certeza irão notar. Então, mais que logotipos para olhar, hoje o exercício é comparar todos e escolher 5 que se sobressaiam sobre os outros na sua qualidade!

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source : http://www.criatives.com.br

Access to electricity is linked to reduced sleep

 

 

In this image, a Toba/Qom child sleeps.

Credit: U of Washington

Blame smartphone alerts, constant connectivity and a deluge of media for our society's sleep deprivation. But the root cause of why we get less sleep now than our ancestors did could come down to a much simpler reason: artificial light.

New research comparing traditional hunter-gatherer living conditions to a more modern setting shows that access to artificial light and electricity has shortened the amount of sleep humans get each night. The research, published online June 18 in the Journal of Biological Rhythms, is the first study to document this relationship in the field.

"Everything we found feeds what we had predicted from laboratory or intervention studies, where researchers manipulate certain aspects of light exposure. But this is the first time we've seen this hold true in a natural setting," said lead author Horacio de la Iglesia, a University of Washington biology professor.

The researchers compared two traditionally hunter-gatherer communities that have almost identical ethnic and sociocultural backgrounds, but differ in one key aspect -- access to electricity. They wanted to see if, all other factors aside, electricity would impact people's sleep during an average week in both the summer and winter.

They found this rare scenario in northeastern Argentina, with two Toba/Qom indigenous communities living about 50 kilometers (31 miles) apart. The first has 24-hour free access to electricity and can turn on lights at any time, while the second has no electricity, relying only on natural light.

In their usual daily routines, the community with electricity slept about an hour less than their counterparts with no electricity. These shorter nights were mostly due to people who had the option to turn on lights and go to bed later, the researchers found. Both communities slept longer in the winter and for fewer hours in the summer.

Though this study took place from 2012 to 2013, the sleep-pattern differences observed between the communities can be seen as an example of how our ancestors likely adapted their sleep behaviors as livelihoods changed and electricity became available, de la Iglesia said.

"In a way, this study presents a proxy of what happened to humanity as we moved from hunting and gathering to agriculture and eventually to our industrialized society," he said. "All the effects we found are probably an underestimation of what we would see in highly industrialized societies where our access to electricity has tremendously disrupted our sleep."

The researchers visited each community for a week during the summer and winter, placing bracelets onto the wrist of each study participant to monitor activity. The devices can track slight changes in movement, so a still wrist for a longer time implies that a person is sleeping.

Participants also kept sleep diaries during the study period, where they recorded what times they went to bed and woke up, as well as any naps throughout the day. This information mainly was used to corroborate data collected from the wristbands.

Even in sub-tropical Argentina, where the differences between summer and winter daylight hours vary about two and a half hours at most, study participants naturally slept longer in the winter. In a high-latitude place like Seattle, that daylight difference is close to eight hours between summer and winter.

These findings suggest there's a biological driver in humans that requires more sleep in the darker winter months.

"We tend to think we're isolated from seasonal effects even though we know this is the case for many animals," de la Iglesia said. "I think it's still embedded in our biology even when we do as much as we can to obscure that difference between summer and winter."

Past research has shown that artificial light can disrupt our circadian clock and sleep-wake cycle, effectively pushing them back when we turn on the lights in the evening. The researchers have documented this from their observation study, and they plan to look next at whether the later sleep onset and reduced sleep in the community with electricity is due to a shift in the biological clock by measuring melatonin levels in the two communities.

They also plan to study the effects the moon cycle may have on sleep patterns.

Co-authors are Claudia Valeggia and Eduardo Fernández-Duque at Yale University; Diego Golombek at Universidad Nacional de Quilmes in Argentina; Norberto Lanza at Instituto de Investigaciones Geohistóricas in Argentina; and Jeanne Duffy and Charles Czeisler of the Division of Sleep Medicine, Brigham and Women's Hospital.

The research was funded by the Leakey Foundation, the National Science Foundation and the National Institutes of Health.


Story Source:

The above post is reprinted from materials provided by University of Washington. Note: Materials may be edited for content and length.


Journal Reference:

  1. H. O. de la Iglesia, E. Fernandez-Duque, D. A. Golombek, N. Lanza, J. F. Duffy, C. A. Czeisler, C. R. Valeggia. Access to Electric Light Is Associated with Shorter Sleep Duration in a Traditionally Hunter-Gatherer Community. Journal of Biological Rhythms, 2015; DOI: 10.1177/0748730415590702

Bag of tricks!

 

 

Posted: 19 Jun 2015 08:03 AM PDT

This is one bag with an identity crisis. Don’t worry! That’s actually a good thing! You can use the Urban Pack in four different orientations; and with its myriad of styles and attachments, you can pack in literally anything. Designed for dynamism, the bag camouflages with any style, but still makes a statement. It’s basically a bag that can fit in anything, with a style that makes it fit in anywhere!

Designer: Loft of Cambie

 

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The Last Cart You Need

 


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Posted: 19 Jun 2015 09:11 AM PDT

EROVR is the uber-versatile folding cart-wagon system that’s capable of transforming into a mover’s dolly, handcart, flat cart, hand truck or kid’s wagon. It starts out as a folded case with a handle for easy transportation between sites or storage under the bed or in the closet. With just a few simple and intuitive adjustments, the user can unfold and adapt the unit to their specific needs.

Designer: Elvis Henao

 

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Yanko design – Form beyond function