BBC Mundo - Ciencia y Tecnología

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Producirá más energía a menos costo, dicen. </p> </div> </div> <div class="g-container g-w6"> <div class="ts-headline teaser"> <h2 class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_depresion_gris_color_men.shtml">Con depresión el mundo se ve gris</a></h2> <p class="summary">La depresión altera la visión y el contraste de colores, por eso quienes sufren el trastorno literalmente ven el mundo gris.</p> </div> </div> </div> </div> <div class=" g-w12"> <div class="g-block"> <div class="g-container g-w6 g-first"> <div class="list li-plain"> <h2 class="title">Más noticias</h2> <div class="content"> <ul> <li class="ts-headline first teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_2028_facebook_500_millones_jaw.shtml">Facebook alcanza 500 millones de usuarios</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_0959_estrella_mayor_universo_cr.shtml">La mayor estrella del Universo</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_vih_viejos_men.shtml">El VIH "rampante" entre los mayores de 50</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100720_australia_fosiles_cueva_lav.shtml">Hallan fósiles de mamíferos prehistóricos en Australia</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100720_0010_espacio_nave_nuevas_estrellas_fp.shtml">Gaia: el mapa más completo del universo</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100720_alcohol_vih_dida_men.shtml">El alcohol, factor en infecciones de VIH</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100719_bloodhound_velocidad_auto_supersonico.shtml">Presentan modelo de auto supersónico</a></li> <li class="ts-headline teaser"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100720_frio_hipotermia_men.shtml">¿Por qué muere la gente de frío?</a></li> </ul> </div> </div> </div> <div class="g-container g-w6"> <div class="list li-plain"> <h2 class="title"><a href="https://web.archive.org/web/20100722134228/http://www.bbc.co.uk/go/mundo/nav/int/-/mundo/video">Video</a></h2> <div class="content"> <ul> <li class="ts-106x60 first i-w106 i-h60 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/internacional/2010/07/100721_video_asbesto_riesgos_il.shtml" class="video">El mineral asbesto: un riesgo mortal<img alt="Hombres sobre un tejado de asbesto" width="106" height="60" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/07/21/100721150735_asbesto106x60.jpg"/></a></p> <p class="cta"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/internacional/2010/07/100721_video_asbesto_riesgos_il.shtml" class="video"><span>Vea</span></a>Dur: <span>02:43</span></p> </li> <li class="ts-106x60 i-w106 i-h60 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_video_estrella_gigante_np.shtml" class="video">La estrella más grande jamás vista<img alt="Imágenes de telescopio de la estrella gigante" width="106" height="60" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/07/21/100721095140_estrella_gigante_106.jpg"/></a></p> <p class="cta"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_video_estrella_gigante_np.shtml" class="video"><span>Vea</span></a>Dur: <span>00:43</span></p> </li> <li class="ts-headline teaser"><a href="https://web.archive.org/web/20100722134228/http://www.bbc.co.uk/mundo/video/" class="page">MÁS VIDEOS >></a></li> </ul> </div> </div> <div class="list li-plain"> <h2 class="title">Breves de tecnología</h2> <div class="content"> <ul> <li class="ts-106x60 first i-w106 i-h60 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100719_1440_nokia_blackberry_apple_facebook_dc.shtml">500 millones en Facebook y el iPad llega a México<img alt="Mark Zuckerberg" width="106" height="60" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/05/27/100527103421_zuckerberg_reuters_106.jpg"/></a></p> </li> </ul> </div> </div> </div> </div> </div> </div> <div class="g-group"> <div class=" g-w8 g-first"> <div class="g-container"> <div class="list li-plain"> <h2 class="title"><a href="https://web.archive.org/web/20100722134228/http://www.bbc.co.uk/go/mundo/nav/int/-/mundo/participe">Participe</a></h2> <div class="content"> <ul> <li class="ts-headline first teaser"> <h3 class="link title"><a href="https://web.archive.org/web/20100722134228/http://newsforums.bbc.co.uk/ws/es/thread.jspa?forumID=12202" class="page">¿Qué opina del comercio de órganos?</a></h3> <p class="summary">Sólo una de cada diez personas que necesita un trasplante de órganos lo consigue. ¿Puede un mercado libre ser la solución?</p> </li> <li> <div class="box bx-quote-bubble"> <blockquote> <p>Absolutamente abominable. Es producto de las condiciones de pobreza y marginalidad de la gran mayoría de nuestros pueblos y sus gentes.</p> </blockquote> <p class="signature">H. Romero Borlasca, San Salvador </p> </div> </li> </ul> </div> </div> </div> <div class="g-container"> <div style="margin-bottom:10px;"> <script type="text/javascript" src="https://web.archive.org/web/20100722134228js_/http://static.ak.connect.facebook.com/connect.php/es_ES"></script><script type="text/javascript">FB.init("6cb92c37df4676cc1f1d9c1593bdce4a");</script><fb:fan profile_id="81395234664" stream="0" connections="10" logobar="1" width="306"></fb:fan> </div> </div> </div> <div class=" g-w16"> <div class="g-container"> <div class="list li-carousel"> <h2 class="title">Destacamos</h2> <div class="content"> <ul> <li class="ts-126x71 first i-w126 i-h71 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_1432_mexone_robot_android_mexico_bayro_cinvestav_dc.shtml">Mexone: un robot de México para el mundo<img alt="El Mexone" width="126" height="71" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/07/21/100721133117_mexone126.jpg"/></a></p> </li> <li class="ts-126x71 i-w126 i-h71 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100721_asbesto_amianto_investigacion_rg.shtml">El amianto matará a un millón de personas<img alt="Fibras de asbesto" width="126" height="71" src="https://web.archive.org/web/20100722134228im_/http://www.bbc.co.uk/worldservice/assets/images/2009/08/24/090824155406_asbesto_126.jpg"/></a></p> </li> <li class="ts-126x71 i-w126 i-h71 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100719_nubes_noctilucententes_mesosfericas_polar.shtml">Vea las misteriosas olas del cielo<img alt="Nubes nocturnas" width="126" height="71" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/07/20/100720153849_sp_nubes_126x71.jpg"/></a></p> </li> <li class="ts-126x71 i-w126 i-h71 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/cultura_sociedad/2010/07/100719_old_spice_publicidad_viral_jrg.shtml">Old Spice y la publicidad que "contagia"<img alt="Publicidad de Old Spice " width="126" height="71" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/07/20/100720115039_sp_oldspice_126x71.jpg"/></a></p> </li> </ul> </div> </div> </div> <div class="g-block"> <div class="g-container g-w8 g-first"> <div class="list li-plain"> <h2 class="title"><a href="https://web.archive.org/web/20100722134228/http://www.bbc.co.uk/mundo/fotos/">En imágenes</a></h2> <div class="content"> <ul> <li class="ts-226x170 first i-w226 i-h170 teaser"> <p class="link title"><a href="/web/20100722134228/http://www.bbc.co.uk/mundo/ciencia_tecnologia/2010/07/100718_galeria_vida_submarina_barrera_coral_australia.shtml">Vida submarina por primera vez<img alt="Vida submarina en la Gran Barrera de Coral" width="226" height="170" src="https://web.archive.org/web/20100722134228im_/http://wscdn.bbc.co.uk/worldservice/assets/images/2010/07/18/100718120540_sp_peces226.jpg"/></a></p> </li> </ul> </div> </div> <div class="list li-plain"> <h2 class="title">BBC Mundo en Internet</h2> <div class="content"> <ul> <li class="ts-106x133 first i-w106 i-h133 teaser"> <h3 class="link title"><a href="https://web.archive.org/web/20100722134228/http://twitter.com/bbcmundo" class="page">Síguenos también en Twitter<img alt="BBC Mundo en Twitter" width="106" height="133" src="https://web.archive.org/web/20100722134228im_/http://www.bbc.co.uk/worldservice/assets/images/2010/05/01/100501071730_sp_twi_106x133.jpg"/></a></h3> <p class="summary">Todas las noticias al alcance de un clic. 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