Are We All Related?
In part 3 of our special series on human ancestry, we investigate how closely related we all really are. Basic math tells us that all humans share ancestors. But you’ll be amazed at how recently those shared ancestors lived. Thanks to genetic data in the 21st century, we’re even discovering that we really are all […]
La vacuna de Oxford-AstraZeneca consigue una eficacia del 70,4 %
Agencia SINC Tras los resultados preliminares de Pfizer y Moderna, llegan los de la vacuna de Oxford/AstraZeneca. En este caso, la eficacia alcanza el 90 % según las dosis utilizadas, tal y como asegura la nota de prensa. No se ha revelado el número de voluntarios que contrajeron la covid-19, por lo que resulta difícil evaluar la potencia estadística […]
Why Are There 7 Days In a Week?
Why does everyone use a 7 day week, and where did it come from? Where do the names of the days come from? And who can we blame for Mondays? Here’s the true story of one of the oldest human customs still in use today. It gets a little weird.
La vacuna covid de Oxford es segura y produce respuesta en personas mayores, según su ensayo en fase 2
Agencia SINC La candidata a vacuna contra la covid-19 de la Universidad de Oxford (cuyo nombre técnico es ChAdOx1 nCoV-19) muestra unos niveles óptimos de seguridad y respuesta inmune eficaz tanto en adultos sanos de 18 a 55 años como en personas mayores de 56. Estos datos provienen de un ensayo clínico en fase 2, publicados en la revista científica The Lancet y que […]
The Two Viruses That We’ve Had For Millions of Years
There’s one kind of herpesvirus that’s specific to one species of primate, and each virus split off from the herpesvirus family tree when the primate split off from its own tree. But of course, humans are a special kind of primate. Here are the two studies we discuss in this episode: Wertheim, J. O., Smith, […]
No, no hay ningún efecto beneficioso en el consumo de bebidas alcohólicas
Agencia SINC Una revisión científica, publicada en la Revista Española de Salud Pública, concluye que no hay evidencias de que el consumo de diferentes bebidas alcohólicas tenga un efecto diferencial en la aparición y desarrollo de enfermedades cardiometabólicas, neurodegenerativas o cáncer. Es decir, no hay pruebas de que ‘recomendar’ una u otra bebida alcohólica pueda relacionarse con menor riesgo […]
A Guide To Designing Low-Cost Ventilators for COVID-19
A guide to design low cost ventilators for COVID-19
Bill Gates-Backed Carbon Capture Plant Does The Work Of 40 Million Trees
In Squamish, British Columbia, there’s a company that wants to stop climate change by sucking carbon dioxide out of the atmosphere.
Why should you read “Fahrenheit 451”? – Iseult Gillespie
Ray Bradbury’s novel imagines a world where books are banned- and possessing, let alone reading them, is forbidden.The protagonist, Montag, is a fireman responsible for destroying what remains. The story raises the question: how can you preserve your mind in a society where free will, self-expression and curiosity are under fire? Iseult Gillespie examines what […]
Frans de Waal: Great Apes and the Gift of Empathy | Monologue | Topic
Biologist Frans de Waal studies the complex emotional life of apes – including how chimpanzees resolve conflicts. Here, de Waal discusses his subjects’ true capacity for fairness, reciprocity, and empathy, and how human beings measure up.
Light seconds, light years, light centuries: How to measure extreme distances – Yuan-Sen Ting
When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows us how trigonometric parallaxes, standard candles and more help us determine the distance of objects several billion light years away from Earth. Lesson by Yuan-Sen Ting, animation […]
Descubierto un nuevo arrecife de coral en la Gran Barrera de Australia, el primero en 120 años
Agencia SINC Un investigador de la Universidad de Granada (UGR) colidera una campaña de investigación geológica y biológica que se está llevando a cabo en las aguas de la Gran Barrera de Arrecifes (GBA) de Australia, el mayor arrecife de coral del mundo, en la que participan geólogos, biólogos y ecólogos marinos de diferentes universidades y centros […]
How does the stock market work? – Oliver Elfenbaum
In the 1600s, the Dutch East India Company employed hundreds of ships to trade goods around the globe. In order to fund their voyages, the company turned to private citizens to invest money to support trips in exchange for a share of the profits. In doing so, they unknowingly invented the world’s first stock market. […]
Game Theory: The Science of Decision-Making
With up to ten years in prison at stake, will Wanda rat Fred out? Game theory is looking at human interactions through the lens of mathematics.