Zientzia hedabideetan

The computer scientist Stuart Russell wants to ensure that our increasingly intelligent machines remain aligned with human values.

En esta foto del cráneo de un humano moderno y de un neandertal frente a frente, ¿echan en falta algo? Existe una característica que los primates, neandertales y humanos arcaicos no tienen: la barbilla. Investigadores de la Universidad de Iowa (EE UU) sostienen que el mentón proviene de la evolución, no de fuerzas mecánicas como…

“Women ages 40 to 49 must weigh a very important but infrequent benefit (small reduction in breast cancer deaths) against a group of meaningful and much more common harms,” according to the report. These harms include “overdiagnosis and overtreatment; unnecessary and sometimes invasive followup testing and psychological harms associated with false-positive tests; and false reassurance…

Scientists searching for an explanation for an unusually cool area of sky instead discovered a supervoid: an empty spherical blob 1.8 billion light years across

The research, which analysed DNA from 21,566 men convicted of sex offences in Sweden between 1973 and 2009, found that sons and brothers of convicted sex offenders were four to five times more likely to be convicted of sex crimes than men in the general population.

Cuando Gordon Moore publicó un articulo en la revista ‘Electronics’ no sabía que con él cambiaría la manera de entender la tecnología. Ahora ha llegado el momento de encontrar una alternativa

In surprising new research on the evolution of different forms of photosynthesis, scientists have found that the prized oxygen-making variety may be much older than anybody suspected, and that the greening and aerating of Earth could well have begun soon after the earliest living cells appeared.

Sus relojes resolvieron el problema de los marinos para conocer la longitud en el siglo XVIII. Sin embargo, su afirmación de que podía construir un cronómetro que retrasara menos de un segundo en 100 días fue ridiculizada. Hasta ahora.

The hunt for life beyond the Solar System is gaining new partners: NASA climatologists. After more than 30 years of studying Earth, a team at the NASA Goddard Institute for Space Studies (GISS) in New York will adapt its global climate model to simulate conditions on potentially habitable exoplanets. The effort is part of a…