Humans may be able to communicate positive emotions like happiness through the smell of our sweat, according to new research published in Psychological Science, a journal of the Association for Psychological Science. The research indicates that we produce chemical compounds, or chemosignals, when we experience happiness that are detectable by others who smell our sweat. 

While previous research has shown that negative emotions related to fear and disgust are communicated via detectable regularities in the chemical composition of sweat, few studies have examined whether the same communicative function holds for positive emotions.

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¿Tiene usted alguna idea de la gran cantidad de organismos que se encuentran en el agua de mar? No es el pescado que se puede ver, sino los organismos microscópicos que no puedes ver.

Sumerja un recipiente en cualquier parte de los océanos del mundo y es muy probable que al tirar hacia arriba traiga una mezcla de habitantes planctónicos. Los océanos están llenos de más de 5.000 especies de fitoplancton, plantas microscópicas en un caleidoscopio de formas y tamaños. El fitoplancton es el ancla en la cadena alimenticia del océano, pues suministra nutrientes a todo, desde los organismos unicelulares hasta peces y ballenas.

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Japan's latest plans for 'scientific whaling' in the Southern Ocean have fallen at the first hurdle, writes Tony Press. The IWC's expert panel says Japan's proposal contains 'insufficient information' on which to judge its validity, in particular the need for the 'lethal sampling' of over 3,996 Minke whales that is central to the research plan.

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El aire acondicionado se ha vuelto indispensable para muchas organizaciones, es vital para tener una temperatura ideal y así permitir que la gente tenga condiciones óptimas para trabajar y desarrollar de mejor manera su labor.

También se ha convertido en un elemento indispensable en la factura eléctrica, aunque lo veamos tan solo como un pequeños dispositivo para bajar un par de grados centígrados la temperatura,  no es tan sencillo, porque utiliza motores grandes los cuales consumen mucha energía para bajar ese “par de grados centígrados”; la gente de servicios generales sabe perfectamente el impacto económico que esto representa a la empresa, así que ¿por qué no echarle una mirada a las opciones para disminuir el consumo de electricidad?

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The state of California is asking a basic question right now that people often fight over: What's a fair way to divide up something that's scarce and valuable? That "something," in this case, is water.

There's a lot at stake, including your very own nuts, fruit and vegetables, because most of the water that's up for grabs in California goes to farmers. This year, some farmers will get water, and others will not, simply based on when their land was first irrigated.

Consider, for instance, the case of Cannon Michael. He grows tomatoes and melons in California's Central Valley. And despite the drought, he'll still grow them this year.

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University of Wisconsin-Madison researchers have announced a significant step forward in the development of materials that can ward off oil — a discovery that could lead to new protective coatings and better approaches to cleaning up oil spills. In a new paper in the journal Advanced Functional Materials, professor of chemical and biological engineering David Lynn and assistant scientist Uttam Manna describe new coatings that are extremely oil-repellant (or "superoleophobic") in underwater environments.

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