A yawn is defined as a reflex act of opening one's mouth and inhaling deeply. We yawn most often when we are tired or when we're bored. But we also always yawn when we see someone else doing it. Why? People say we can't help it - it's contagious! But what really triggers this involuntary tendency? According to studies, yawning when others do is a sign of empathy and a form of social bonding. And believe it or not, we're not the only species to exhibit these contagious behaviors. A new study published today in the journal PLOS ONE shows that wolves may also be susceptible to yawn contagion.
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A newly-exposed report by Diablo Canyon's lead nuclear inspector shows that the twin reactors are unsafe, writes Karl Grossman. An earthquake on nearby geological faults could trigger a Fukushima-scale accident causing 10,000 early fatalities. The owner's response? Apply to extend the site's operation for another 20 years. As aftershocks of the 6.0 Napa earthquake that occurred Sunday in California continued, the Associated Press revealed a secret government report pointing to major earthquake vulnerabilities at the Diablo Canyon nuclear plants which are a little more than 200 miles away and sitting amid a webwork of earthquake faults.
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Investigadores en la India dicen que han desarrollado un prototipo de un dispositivo de recolección de energía a partir de capullos de una especie domesticada de la polilla de seda. Tienen la esperanza de poner esta tecnología en práctica y al mismo tiempo hacer frente a...
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La reducción en la incidencia de asma y otros problemas de salud se menciona con frecuencia como uno de los beneficios de las políticas destinadas a reducir emisiones de carbono de fuentes como centrales eléctricas y vehículos; estas políticas también conducen a reducciones en otros tipos nocivos de contaminación del aire. ¿Pero qué tan grandes son los beneficios a la salud de un aire más limpio en comparación con el costo de...
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The Energy Saving Trust and Transport for London (TfL) have announced a new initiative to identify potential sites for rapid electric vehicle charging points across the capital. The scheme organisers say one of the aims of their programme is to help businesses expand their use of cleaner vans and light lorries throughout Greater London.
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A new 'State of the World's Rivers' database shows how the world's rivers have been impoverished by dams and their ecosystems devastated - and provides a valuable resource to help save river basins that remain in good health. International Rivers has launched 'The State of the World's Rivers', an interactive online database that illustrates the role that dams have played in impoverishing the health of the world's river basins.
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