André Breton en Monterrey
Jorge Pedraza Salinas Por sus características de ciudad en la que a lo largo de más de un siglo se ha configurado una poderosa clase empresarial -una de las más poderosas e influyentes de México- y un no menos poderoso sector obrero, la capital de Nuevo León ha constituido singular atractivo para hombres de negocios, […]
How small are we in the scale of the universe? – Alex Hofeldt
In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky – what, if anything, was going to show up? But what came back was nothing short of spectacular: an image of over 1,500 galaxies glimmering in a […]
What happens during a heart attack? – Krishna Sudhir
Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems like strokes, is the world’s leading killer. So what causes a heart attack? Krishna Sudhir examines the leading causes and treatments of this deadly disease. Lesson by Krishna Sudhir, animation by Chadwick […]
Neil deGrasse Tyson: Science and Faith
The astrophysicist debunks the notion that scientists cannot be believers.
Richard Dawkins: The Importance of Doing Useless Things
From poetry and ballet to mathematics and being clever, life is laden with frivolous pursuits that hold no bearing on our ability to survive. However, Dawkins explains that the ability to perform such actions comes as a byproduct of the evolution of the human brain, perhaps because being clever is sexy.
Michio Kaku: The Supergenius
Dr. Michio Kaku returns to Big Think studios to discuss his latest book, The Future of the Mind (http://goo.gl/1mcGeb). Here Dr. Kaku discusses Asperger syndrome, autism, savants, Albert Einstein, Isaac Newton… and the characters on CBS’ The Big Bang Theory. New York City skyline image: http://www.stephenwiltshire.co.uk For the curious: http://goo.gl/k5qCWP For the curioser: http://goo.gl/z70aRG Transcript – If you […]
La plasticidad de los macrófagos repara tejidos del pulmón e hígado
Agencia SINC La plasticidad de los macrófagos –células del sistema inmunitario localizadas en los tejidos– permite a estos desempeñar un papel central en la amortiguación de la inflamación y reparación de tejidos, según una investigación internacional encabezada por la Universidad Complutense de Madrid y las Universidades de Manchester y Edimburgo, y que se acaba de […]
The benefits of a good night’s sleep – Shai Marcu
It’s 4am, and the big test is in 8 hours. You’ve been studying for days, but you still don’t feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the latter option, showing how sleep restructures your brain in a […]
Why sitting is bad for you – Murat Dalkilinç
Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilinç investigates the hidden risks of sitting down.
Del dios Xólotl al Axolote
Rodrigo Soto Moreno Cuenta la leyenda, dentro de la mitología azteca, que Xólotl era el hermano gemelo de Quetzalcóatl, siendo dios del atardecer y se narra que cuando a los dioses se les ordenó su sacrificio con el fin de continuar con el movimiento del quinto sol, que se refiere a la creación del universo, […]
Lawrence Krauss: A Universe from Nothing
Lawrence Krauss: A Universe from Nothing Why is there something, rather than nothing? This question has long been the domain of philosophers and theologians, but science can now finally weigh in. Physicist Lawrence Krauss sits down with Steve Paikin to discuss how recent scientific developments have found an elegant solution to this baffling question.
The incredible story of how hatmakers really did ‘go mad’ 300 years ago
The expression ‘mad as a hatter’ is based from the real-life behavior of hatters from the 17th century. It turns out that the process they used to make their hats was poisoning them and driving them insane. It wasn’t until 1941 that hatters discovered what was causing them to behave so strangely.
Nuevos asombros
Por Martín Bonfil Olivera Dirección General de Divulgación de la Ciencia, UNAM Alguna vez Julieta Fierro, esa magnífica astrónoma y divulgadora de científica, afirmó que lo mejor de la ciencia es que siempre hay nuevas preguntas. Y tenía toda la razón: la ciencia, a diferencia de otros sistemas de creencias, se basa en la continua búsqueda de […]
Lawrence Krauss: The Flavors of Nothing
Theoretical Physicist Lawrence Krauss explains the different types of nothing. Or something. Transcript– When you think about nothing you have to be a little more careful than you normally are because, in fact, nothing is a physical concept because it’s the absence of something, and something is a physical concept. And what we’ve learned over […]