Category archives: Humanities & Social Sciences

Category-less Archaeology

Category-less Archaeology

Archaeology

By César González-Pérez

Archaeologists work by destroying their object of study. An archaeological excavation is a process of deliberate destruction of the site being dug, during which relevant information is recorded. Since the original site is destroyed in the process, information must be recorded with special care, because archaeologists cannot revisit the site to check dubious information or […]

Draw a Scientist!

Draw a Scientist!

EducationSociology

By José Ramón Alonso

Researchers do not know what influences have the stereotypical images of scientists, if any, on children’s perception of science. The most common technique for assessing children’s perceptions of scientists is the Draw-a-Scientist Test (DAST). David Wade Chambers firstly proposed it in 1983 , and its main aim was to identify at what age the stereotypic […]

The rise and fall of the representational theory of measurement (and 3)

The rise and fall of the representational theory of measurement (and 3)

Philosophy of science

By Jesús Zamora Bonilla

As we saw in the previous entries (1,2), the representational theory of measurement (RTM), mainly developed around the mid of the 20 th century, was one of the main warhorses of the by then vigorous positivist ideal of scientific knowledge. According to that theory, the application (and the applicability) of numbers and other mathematical concepts […]

MI weekly selection #205

MI weekly selection #205

Humanities & Social SciencesScienceTechnology

By César Tomé

Technique adds color to electron microscope images Researchers at the University of California at San Diego have developed a technique that adds color to black-and-white electron microscope images. The scientists create a black-and-white base layer by adding a heavy metal to the specimen, then create another layer by adding a rare earth metal that clings […]

MI weekly selection #203

MI weekly selection #203

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Strange objects near neighboring galaxies brighten, then dim A pair of unknown objects near neighboring galaxies appear to produce extremely bright X-ray flares, then dim after about an hour. Astronomers aren’t sure what these objects are, noting that nothing like them has ever been spotted in the Milky Way. New Scientist Landslides appear to have […]