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The Dilemma of Dividing Five Candies Between Two Children 把五块糖果分给两个孩子的窘境
Pub Date : 2024-01-11 DOI: 10.3389/frym.2023.1286330
Shoham Choshen-Hillel, Yair Nahari
Distributing resources between individuals often leads to difficult dilemmas. Imagine, for example, a father who wants to give out five lollipops to his two daughters. He can give two lollipops to one girl and three to the other, which will make things unequal between the two girls. Alternatively, he can give two lollipops to each girl and throw away the fifth. This will maintain equality but will be wasteful. In this article, we will review recent findings on how children and adults resolve the tension between unequal distribution and waste. In particular, we will describe findings showing that children, and even adults, often waste resources to avoid inequality. This tendency develops at a young age and is observed in multiple countries. Finally, we will describe ways to distribute resources fairly without wasting them, which can make people feel good and avoid waste.
在个人之间分配资源往往会导致两难的境地。例如,试想一位父亲想把五根棒棒糖分给他的两个女儿。他可以给一个女孩两根棒棒糖,给另一个女孩三根,这样会使两个女孩之间的分配不平等。或者,他可以给每个女孩两根棒棒糖,然后扔掉第五根。这样可以保持平等,但会造成浪费。在本文中,我们将回顾最近关于儿童和成人如何解决分配不均和浪费之间矛盾的研究结果。特别是,我们将介绍一些研究结果,这些结果表明,儿童,甚至成人,经常会浪费资源来避免不平等。这种倾向从小就开始形成,在多个国家都能观察到。最后,我们将介绍在不浪费资源的情况下公平分配资源的方法,这可以让人们感觉良好并避免浪费。
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引用次数: 0
The Play-Doh Brain: How Shapeable Neurons Help You Learn and Remember 橡皮泥大脑:可塑神经元如何帮助你学习和记忆
Pub Date : 2024-01-11 DOI: 10.3389/frym.2023.979294
Elisa Corti, Manuela Rizzi, Carlos B. Duarte, Emily Osterweil
Imagine that your mom just baked a pizza, and you immediately take a bite of it. Bad choice—it is really hot, and you burn your tongue! You learn a lesson from this experience, but what is happening in your brain? When the burning sensation reaches the brain, some brain cells, called neurons, become active and communicate with each other. Thanks to a process called synaptic plasticity, neurons can increase the strength of their communication and store new information. The next time your mom prepares pizza, the same neurons that were active the first time will start talking again, and you will know to wait for it to cool down before taking a bite. In this article, we will describe some properties of neurons and what happens to these cells when you create new memories. We hope that you will learn something new and share it with your friends, as neurons would do!
想象一下,你妈妈刚烤好一个披萨,你马上咬了一口。糟糕的选择--它真的很烫,你的舌头被烫伤了!你从这次经历中吸取了教训,但你的大脑中发生了什么呢?当灼烧感传到大脑时,一些被称为神经元的脑细胞开始活跃起来,并相互交流。由于一种叫做 "突触可塑性 "的过程,神经元可以增强它们之间的交流强度,并存储新的信息。下一次,当你的妈妈为你准备披萨时,第一次活跃起来的神经元又会开始说话,而你也会知道要等披萨冷却后再咬一口。在这篇文章中,我们将介绍神经元的一些特性,以及当你创造新记忆时,这些细胞会发生什么变化。我们希望您能学到一些新知识,并像神经元一样与朋友分享!
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引用次数: 0
Can Video Games Improve the Ability to Focus? 电子游戏能提高专注力吗?
Pub Date : 2024-01-10 DOI: 10.3389/frym.2023.1148196
Celeste Gonzalez Osorio, Amaniya Hayat, Sunwoo Kim, Shubhi Nanda, Nico Osier
Have you heard of ADHD? It stands for attention deficit hyperactivity disorder, a condition that makes focusing difficult. Under the right conditions, video games can be used to treat ADHD. People with ADHD often have a harder time completing tasks than people without ADHD. When playing a serious video game designed as a treatment, a person with ADHD can improve their ability to concentrate on completing a task. This works when video games are designed to reward the player after each success, because it trains the player’s brain to focus on one task at a time. In this article, we will provide an overview of attention and ADHD, discuss the benefits and risks of video games, describe the features of serious games, and highlight the first video game that doctors prescribe to kids with ADHD.
您听说过 ADHD 吗?它是注意力缺陷多动障碍的缩写,是一种难以集中注意力的疾病。在适当的条件下,电子游戏可以用来治疗多动症。多动症患者通常比非多动症患者更难完成任务。当玩一款作为治疗手段的严肃电子游戏时,多动症患者可以提高他们集中精力完成任务的能力。当电子游戏设计为在每次成功后奖励玩家时,这种方法就会奏效,因为它可以训练玩家的大脑一次只专注于一项任务。在本文中,我们将概述注意力和多动症,讨论电子游戏的益处和风险,介绍严肃游戏的特点,并重点介绍医生开给多动症儿童的第一款电子游戏。
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引用次数: 0
Wait! How We Control Our Thoughts and Actions as We Age 等等!随着年龄增长,我们如何控制自己的思想和行为
Pub Date : 2024-01-09 DOI: 10.3389/frym.2023.1107801
Colin Gregoire, Steve Majerus
Have you ever sat next to someone in class who cannot stop talking? You would like to focus on your teacher, but you cannot avoid listening to your talkative classmate. This is what inhibition is useful for! Inhibition is the ability to ignore, suppress, and resist irrelevant information coming from the environment or from our own minds. Inhibition is more difficult for young kids, is optimal in young adults, and becomes more problematic as we age. How does inhibition work? Why does inhibition change as we age? Can we train inhibition? In this article, we will try to answer these questions.
你是否曾在课堂上坐在一个喋喋不休的人旁边?你想专心听老师讲课,但又不能不听爱说的同学说话。这就是抑制的作用!抑制是一种能力,可以忽略、抑制和抵制来自环境或我们自己头脑中的无关信息。抑制能力对于年幼的孩子来说比较困难,对于青壮年来说是最佳状态,而随着年龄的增长,问题会越来越多。抑制是如何起作用的?为什么随着年龄的增长,抑制能力会发生变化?我们可以训练抑制能力吗?在本文中,我们将尝试回答这些问题。
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引用次数: 0
How Might Plastic Pollution Affect Antarctic Animals? 塑料污染会如何影响南极动物?
Pub Date : 2024-01-09 DOI: 10.3389/frym.2023.1096038
Emily Rowlands, Tamara Galloway, Kirstie Jones-Williams, Clara Manno
Antarctica is the least populated place on Earth, but the frozen continent and its surrounding Southern Ocean are still affected by human activities. Scientists have found large pieces of plastic such as fishing nets, and microscopic-sized pieces of plastic, too. Some plastics can be hundreds of times smaller than a grain of sand, and these are called nanoplastics. The Southern Ocean, which surrounds Antarctica, is also warming faster than other oceans and is becoming more acidic. Thus, Antarctic marine animals that have lived in an untouched, stable environment for millions of years are now being exposed to plastic pollution and human-caused climate change. We are studying how Antarctic marine life is coping with plastic pollution in this quickly changing ocean. We focus on Antarctic krill, a small crustacean that supports the Antarctic marine food web. Findings show that krill embryos subjected to ocean acidification and nanoplastics develop less than embryos in ordinary seawater conditions.
南极洲是地球上人口最少的地方,但这片冰封的大陆及其周围的南大洋仍然受到人类活动的影响。科学家们发现了大块的塑料,如渔网,也发现了微小的塑料。有些塑料比一粒沙子还要小几百倍,这些塑料被称为纳米塑料。南极洲周围的南大洋变暖的速度也比其他海洋快,而且酸度越来越高。因此,数百万年来一直生活在未经破坏的稳定环境中的南极海洋动物,现在正暴露在塑料污染和人类造成的气候变化之下。我们正在研究南极海洋生物如何在这个瞬息万变的海洋中应对塑料污染。我们的研究重点是南极磷虾,它是一种小型甲壳类动物,支撑着南极海洋食物网。研究结果表明,受到海洋酸化和纳米塑料影响的磷虾胚胎发育程度低于普通海水条件下的胚胎。
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引用次数: 0
How Do Plants Protect Themselves Against Animal Attacks? 植物如何保护自己免受动物攻击?
Pub Date : 2024-01-09 DOI: 10.3389/frym.2023.991723
Tamara Citlali Ochoa Alvarez, Antonio González Rodríguez
Natural systems are made up of countless interactions between living beings. One of the most essential interactions is when a plant is eaten by an animal. Why is this so important? When plants are eaten, their growth and ability to reproduce decrease, and we all know that plants are critical because they provide us with food, medicine, and wood. They also provide homes for other living things, produce the oxygen we breathe, keep soils healthy, regulate humidity, and contribute to climate stability. Plants have also developed smart strategies to defend themselves from animal attacks. Some plants have evolved protective structures like thorns and thick leaves, while others have produced defensive chemicals. Together, plant protection mechanisms can reduce or prevent the damage that plant predators may cause. In this article, you will learn many strategies plants evolved to protect themselves from plant-eating animals.
自然系统是由无数生物之间的相互作用组成的。其中最基本的互动之一就是植物被动物吃掉。这为什么如此重要?当植物被吃掉时,它们的生长和繁殖能力就会下降,而我们都知道植物是至关重要的,因为它们为我们提供食物、药物和木材。它们还为其他生物提供家园,制造我们呼吸的氧气,保持土壤健康,调节湿度,促进气候稳定。植物还发展出聪明的策略来抵御动物的攻击。一些植物进化出了刺和厚叶等保护性结构,而另一些植物则产生了防御性化学物质。植物保护机制可以减少或防止植物捕食者可能造成的损害。在本文中,您将了解到植物为保护自己免受植食动物攻击而进化出的多种策略。
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引用次数: 0
Future Food—Can Cultivated Meat Save Our Planet? 未来食品--人工肉类能否拯救我们的地球?
Pub Date : 2024-01-09 DOI: 10.3389/frym.2023.1055909
Paula Meyer, Lena Szczepanski, Milan Büscher, Julia Schächtele, Florian Fiebelkorn
Think about what humans will eat in the future. Could you imagine eating meat produced without the extensive farming of animals? This scenario is not as unlikely as you might think. To protect our planet, we must reduce the irreversible damage we are doing to the environment. Eating less meat is a major part of this, because the way we produce most meat today has a tremendous impact on the environment. Plant-based meat alternatives are already available in stores, but it is hard to imitate the taste and texture of meat if no animals are involved. Therefore, scientists have been working on an alternative, called cultivated meat, that is made from real animal tissue but does not require the death of the animal. Cultivated meat shows great promise to become an environmentally and animal-friendly alternative to conventional meat. However, there are still limitations to cultivated meat products that prevent them from being sold in stores.
想想人类未来会吃什么?你能想象在没有大量饲养动物的情况下吃肉吗?这种情况并不像你想象的那么不可能。为了保护我们的地球,我们必须减少对环境造成的不可逆转的破坏。少吃肉是其中的一个重要部分,因为我们今天生产大多数肉类的方式对环境造成了巨大影响。商店里已经有植物肉类替代品,但如果不涉及动物,就很难模仿肉类的味道和口感。因此,科学家们一直在研究一种名为 "栽培肉 "的替代品,它由真正的动物组织制成,但不需要动物的死亡。栽培肉很有希望成为传统肉类的环保和动物友好型替代品。然而,培养肉制品仍有一些限制,使其无法在商店出售。
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引用次数: 0
Did Algae Eat All the Silica in the World’s Oceans? 藻类吃光了世界海洋中的二氧化硅吗?
Pub Date : 2024-01-08 DOI: 10.3389/frym.2023.1175538
Rebecca A. Pickering, Kristin Doering
Silicon is a crucial nutrient that can join with the element oxygen to form a substance commonly called silica. Silica, commonly known as glass, is found in rocks in the Earth’s crust and dissolves into the oceans, where organisms like algae and sponges use it to build their glassy skeletons. This process, called biosilicification, is extremely important in the silica cycle. Over time, organisms have changed the silica cycle. Today, because of these organisms, the oceans no longer contain much silica. However, when the Earth was younger and these organisms had not evolved yet, no biological processes affected silica in the oceans. The evolution of these oceanic organisms across time has removed silica from the oceans. In this article, we discuss how the evolution of silicon-using sponges, as well as tiny organisms called zooplankton and algae, have changed the amount of silica in the world’s oceans through geologic time.
硅是一种重要的营养物质,它可以与氧元素结合形成一种通常被称为二氧化硅的物质。二氧化硅俗称玻璃,存在于地壳的岩石中,并溶解到海洋中,藻类和海绵等生物利用它来构建自己的玻璃骨架。这一过程被称为生物硅化,在二氧化硅循环中极为重要。随着时间的推移,生物改变了二氧化硅的循环。如今,由于这些生物的存在,海洋中不再含有大量的二氧化硅。然而,在地球年轻的时候,这些生物尚未进化,没有任何生物过程会影响海洋中的二氧化硅。随着时间的推移,这些海洋生物的进化将二氧化硅从海洋中移除。在本文中,我们将讨论使用硅的海绵以及被称为浮游动物和藻类的微小生物的进化是如何通过地质年代改变世界海洋中的硅含量的。
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引用次数: 0
Bacterial Coaggregation: A Way Different Bacteria Come Together 细菌聚集:不同细菌聚集在一起的方式
Pub Date : 2024-01-08 DOI: 10.3389/frym.2023.1212262
Alexander H. Rickard, Michael A. L. Hayashi, Aneesa F. Redissi, J. Fenno, Nicholas S. Jakubovics
Bacteria are the smallest living organisms on this planet. While bacteria can live as free-floating single cells, many can specifically recognize other kinds of bacteria and stick to them. This ability is called coaggregation. Over 50 years ago, microbiologists first observed coaggregation between bacteria that grow in human mouths. However, it is becoming clear that coaggregation happens in many environments and may be an important and widespread phenomenon for bacterial survival. This article will help you understand bacterial coaggregation and hopefully inspire you to learn more about the microscopic behavior of bacteria.
细菌是地球上最小的生物。虽然细菌可以作为自由漂浮的单细胞生活,但许多细菌能专门识别其他种类的细菌并粘附在它们身上。这种能力被称为共聚。50 多年前,微生物学家首次观察到生长在人类口腔中的细菌之间的共聚现象。不过,人们逐渐发现,共聚现象发生在许多环境中,而且可能是细菌生存的一种重要而普遍的现象。本文将帮助您了解细菌的聚集现象,并希望能激发您学习更多有关细菌微观行为的知识。
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引用次数: 0
Cleaning and Sanitizing: Keeping Your Food and Environment Safe 清洁和消毒:保持食品和环境安全
Pub Date : 2024-01-08 DOI: 10.3389/frym.2023.1228428
Thomas A. Little, Sujata A. Sirsat
Germs, scientifically known as microbes (like bacteria and viruses), are found everywhere. Most microbes are completely harmless to people, but others can cause diseases that make us sick. They can survive on all kinds of surfaces, even food. If food is not handled correctly, it can make us very sick. One of the best ways to prevent this is to clean and sanitize the surfaces that food touches. Proper cleaning and sanitizing is an important way to keep your friends and family safe. In this article, you will learn the easy steps to prevent the spread of harmful microbes, see some examples of the process, and learn the science behind it all.
细菌,科学上称为微生物(如细菌和病毒),随处可见。大多数微生物对人体完全无害,但也有一些微生物会导致疾病,使我们生病。它们可以在各种表面存活,甚至食物也不例外。如果食物处理不当,就会让我们病入膏肓。预防这种情况的最佳方法之一就是对食物接触的表面进行清洁和消毒。正确的清洁和消毒是保证家人和朋友安全的重要方法。在本文中,您将学习到防止有害微生物传播的简单步骤,看到一些过程示例,并了解这一切背后的科学原理。
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引用次数: 0
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Frontiers for young minds
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