A new study finds that 'honesty is enforced' by a 'smell of hunger' when rats decide to share food with their compatriots.
A study of rats suggests that the animals share food with each other based on need, sniffing out cheaters by using their sense of smell.
Rats are known to share food with each other, basing decisions on need and the costs and benefits of sharing. Visual, auditory and other cues are used to indicate hunger and solicit food donations from fellow rats. The newand conducted by researchers in Germany and Switzerland, found that the rats verify hunger levels based on odor.
The study identified seven distinct organic chemicals that are present in rats in varying levels depending on hunger. The study's authors suggest that a"smell of hunger" can be detected by rats, which provides a potentially"honest cue" and helps the rats determine whether a seemingly needy compatriot is truly hungry.
"Rats seem to use the partner's inadvertent smell of hunger as a reliable indicator for its current need, adjusting their helping propensity accordingly," the study states."Honesty is enforced because of physical, developmental, or physiological constraints that cannot be cheated." Rats share food with each other based on need that is verified by"the smell of hunger," according to a study published on March 24, 2020.Although rats are known to commonly share food with each other and tend to benefit from their charity through reciprocation, the study showed that the animals leapt to the aid of rats that smelled genuinely hungry faster than those who seemed to be faking.
日本 最新ニュース, 日本 見出し
Similar News:他のニュース ソースから収集した、これに似たニュース記事を読むこともできます。
Padma Lakshmi Has the Answers to Your Coronavirus Cooking WoesMeal Makeover: Top Chef's Padma Lakshmi Has the Answers to Your Coronavirus Cooking Woes
続きを読む »
Disturbing New Study Finds American 5th-Graders Only Absorbing Targeted Advertisements At 1st-Grade LevelSTANFORD, CA—Calling the elementary schoolers “eons” behind their counterparts in terms of brand recognition, a disturbing new study published Monday by Stanford University found American fifth-graders were only absorbing advertisements at a first-grade level. “Out of the 10,000 children we studied, over 75% of them scrolled right past products placed onto their social media feeds and did not even click or hover over the ad once,” said researcher Professor Hannah Paul, adding that many of the subjects she worked with did not even bother clicking on ads created by their favorite influencer, even when the items being sold were specifically tailored to their individual search history. “By fifth grade, students should be interacting with personalized advertising at a very high level and spending hundreds of dollars a month on clothes, skincare products, and other specialty products like nail decals and crystals. If we don’t find a way to get these kids up to speed soon, they might never impulse shop online at a college level.” At press time, Paul suggested that if parents were worried their children were behind, they should sit down and show them how to interact with simple, digestible advertisements for a few hours each night.
続きを読む »
Radiohead's Ed O'Brien Believes He Has Coronavirus.radiohead guitarist EOBOfficial, recovering from what he believes is coronavirus, is eager to share his experience & help others during this time of global trepidation
続きを読む »
Risking her own health to deliver food orders, she hopes to save others — and her home tooJolene Hunt has an asthma condition, which puts her at a higher coronavirus risk. But she needs the money and knows she's helping others.
続きを読む »
Universal Studios Extends Park Closures Amid Coronavirus Pandemic'We will continue to monitor the situation and make adjustments as needed, based on guidance from health agencies and government officials,' the company said in a statement.
続きを読む »