Colourblind people see colours differently because they do not have all the necessary information from the L, M and S cones. A simile would be to try to obtain different paint colours by mixing only two primary colours: we would never be able to obtain the full range of existing colours.
In the early 1990s, a group of English doctors set out to study whether the perception that ears and noses grow over time was true. Àngels Royo explains the results of this research project.
By giving away our DNA and genetic data, we are giving away the DNA and genetic data of our entire biological family. We have to think if the objective we are pursuing is worthwhile.
Retraction is a compulsory literary genre: it is only written by one who has no other choice, and it does not pursue fame. Except for a few media cases, retractions go unnoticed by the public. What makes for hot news?
Mercedes Maestre was a republican doctor who developed exceptional activism for social reform and the right to health.
Interview with Leo van Bergen, historian and military-medical expert, on the occasion of the centenary of Armistice Day, which marked the end of World War I.
The active ingredient of curare, a poison used by the Amazon tribes, became for years a vital drug in surgery and to treat illnesses that involved muscle pains and contractions.
There are numerous causes for eye redness, and many of them are not serious. Begoña Domenech Amigot, professor of the Department of Optics, Pharmacology, and Anatomy of the University of Alacant, explains.
The way cinema has represented nurses has varied over time: from the clothing itself to the relationships with patients and other health personnel.
Pseudoscience (false science) and science based on faulty and biased studies (bad science) produce false or uncertain knowledge, with poor or no evidence.