New research suggests that anxiety triggers the release of a scent that causes other humans who smell it to empathize with you. This may have evolved to help speed up spread of fear within a population so groups can get away quickly from dangerous situations. To run the experiment, University of Dusseldorf psychologist Bettina Pause and her colleagues had students undergoing brain scans sniff absorbent pads taken from the armpits of other students just before a final exam and, separately, while they were exercising. Pleasant.
None (of the sniffing students) perceived a difference between the two types of sweat, but the pre-exam sweat had a different effect on brain activity, lighting up areas that process social and emotional signals, as well as several areas thought to be involved in empathy...
Fellow students smell your exam fear
A previous experiment found that sweat from skydivers activated anxiety circuits in sniffers' brains.
The amazing suckers on octopus arms aren’t just for sucking. They also are used to smell and taste. To deal with all that sensory input, the vast majority of an octopus’s brain cells are in its eight arms! “It’s more efficient to put the nervous cells in the arm,” neurobiologist Binyamin Hochner, of the Hebrew […]
Cold welding is the phenomenon of two pieces of metal fusing on contact. It’s a big problem in space, but it can even happen on earth at room temperatures with the right metal, as Cody demonstrates.
Magdalena Cerdá and Garen Wintemute are epidemiological researchers with US Davis’s Violence Prevention Research Program; when they witnessed the Trump administration’s mass-deletion of publicly funded EPA research, they feared gun violence stats would be next.
Python is immensely popular in the data science world for the same reason it is in most other areas of computing—it has highly readable syntax and is suitable for anything from short scripts to massive web services. One of its most exciting, newest applications, however, is in machine learning. You can dive into this booming […]
Learning new skills is a great way to improve your resume and stand out from other candidates. Especially in a workforce in which many job-seekers have a wide variety of qualifications. With lifetime access to Virtual Training Company, you won’t have to choose a specific focus. You can pick up new expertise whenever you deem it […]
Instead of throwing out all the empties after your next party, why not transform them into some new DIY glassware? Cut back on waste and add some home ambiance with the Kinkajou Bottle Cutter and Candle Making Kit.The Kinkajou is designed as a clamp-on scoring blade to make precise cuts. Just slide a bottle in, tighten […]