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Solar-Powered Life: How Plants And Other Organisms Produce Their Own Food 太阳能驱动的生命:植物和其他生物如何生产自己的食物
Pub Date : 2024-07-01 DOI: 10.3389/frym.2024.1337067
Lina Aragón, Kenneth J. Feeley
Some organisms can produce their own food through a process called photosynthesis. These organisms transform light energy, carbon dioxide, and water into sugars, which allow them to grow their bodies, reproduce, and be a source of energy for other organisms. Studying photosynthesis in nature and in the laboratory has given scientists important insights into the effects of climate change on plants and other photosynthetic organisms. For example, such studies help scientists understand whether there will continue to be enough food for humans to eat as the climate changes. In this article, we discuss the importance of photosynthetic organisms; how light energy, carbon dioxide, and water are transformed into sugar during photosynthesis; the challenges that today’s land plants face; and how and why scientists measure photosynthesis in plants.
有些生物可以通过光合作用制造自己的食物。这些生物将光能、二氧化碳和水转化为糖分,使它们能够生长身体、繁殖后代,并成为其他生物的能量来源。通过研究自然界和实验室中的光合作用,科学家们可以深入了解气候变化对植物和其他光合生物的影响。例如,此类研究有助于科学家了解,随着气候变化,人类是否仍有足够的食物可供食用。在本文中,我们将讨论光合生物的重要性;光能、二氧化碳和水如何在光合作用中转化为糖;当今陆地植物面临的挑战;以及科学家如何以及为什么要测量植物的光合作用。
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引用次数: 0
Unraveling the Secrets of Lake Ohrid, Europe’s Oldest Lake 揭开欧洲最古老湖泊奥赫里德湖的秘密
Pub Date : 2024-05-23 DOI: 10.3389/frym.2024.1258674
Niklas Leicher, Bernd Wagner, Thomas Wilke, Sebastian Krastel
Lake Ohrid is located on the border of Albania and North Macedonia. It is believed to be the oldest and most biodiverse lake in Europe. Several hundred meters of sediments have built-up on the lake bottom since its formation. These sediments are a record of what happened both within the lake and in its environment in the past. Therefore, Lake Ohrid is a unique place to learn more about Earth’s history. Drilling down into the lake bottom to get samples of sediment layers allowed us to unravel the secrets of the lake’s history. The sediments revealed that the lake formed between 1.9 and 1.4 million years ago. They showed past environmental and climate changes in the Mediterranean region. Tiny fossils showed the evolution of the lake’s biodiversity in the past, which benefitted from the lake’s long and stable existence. The stability of Lake Ohrid’s ecosystem is now threatened by increasing human impacts. Protecting this unique place is needed.
奥赫里德湖位于阿尔巴尼亚和北马其顿交界处。它被认为是欧洲最古老、生物多样性最丰富的湖泊。自形成以来,湖底已堆积了数百米厚的沉积物。这些沉积物记录了过去湖内及其环境中发生的一切。因此,奥赫里德湖是了解地球历史的独特场所。通过钻探湖底获取沉积层样本,我们得以揭开湖泊历史的秘密。沉积物显示,该湖形成于 190 万年至 140 万年前。它们显示了地中海地区过去的环境和气候变化。微小的化石显示了湖泊生物多样性在过去的演变,这得益于湖泊长期稳定的存在。现在,奥赫里德湖生态系统的稳定性受到越来越多人类影响的威胁。我们需要保护这个独特的地方。
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引用次数: 0
Toward a Healthier Future: Lessons From the COVID-19 Pandemic 迈向更健康的未来:从 COVID-19 大流行中汲取的教训
Pub Date : 2024-05-23 DOI: 10.3389/frym.2024.1271484
Michel Goldman, Philippe Sansonetti
The COVID-19 pandemic was a challenging time—many people got sick and even died, most people had to stay home from school and work, and fun things like going to the movies, traveling, and visiting friends and family were discouraged. However, the pandemic also taught us some key lessons. We learned that it is important for scientists and doctors to work together closely to understand health threats. Collaboration led to fast production of a safe, effective, COVID-19 vaccine. We learned that diseases can quickly spread all over the world, which taught us about the need for global cooperation and equal access to vaccination and other health services. The pandemic also showed us how critical it is to understand health information, so that we can tell accurate information apart from false claims. These lessons will shape our future, hopefully leading to even greater advances in science and healthcare that will create a healthier world.
COVID-19 大流行是一个充满挑战的时期--许多人生病甚至死亡,大多数人不得不休学在家或外出工作,看电影、旅游和探亲访友等有趣的事情也被劝阻。不过,这次大流行也给我们上了一些重要的一课。我们认识到,科学家和医生必须密切合作,以了解健康威胁。通过合作,我们迅速生产出了安全、有效的 COVID-19 疫苗。我们了解到疾病可以迅速蔓延到世界各地,这让我们认识到全球合作的必要性以及平等获得疫苗接种和其他医疗服务的机会。这次大流行还让我们明白,了解健康信息是多么重要,这样我们才能分辨出准确的信息和虚假的说法。这些经验教训将影响我们的未来,希望能带来科学和医疗保健领域更大的进步,从而创造一个更健康的世界。
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引用次数: 0
“Building” Human Health: When Doctors and Physicists Work Together "构建 "人类健康:医生和物理学家携手合作
Pub Date : 2024-05-21 DOI: 10.3389/frym.2024.1302457
Susan J. Debad, Magdalena Kowalska
In this article, we explore the importance of cooperation in science. Just as various construction trades must work together to build a skyscraper, scientists from separate fields can cooperate to tackle complex scientific challenges. This is called interdisciplinary collaboration, and it is a great way to do science. By bringing together knowledge and tools from multiple fields, scientists can uncover creative solutions and make meaningful connections that they might not have reached on their own. We give an example of how collaboration between particle physics and medicine—two fields that seem very different from one another—come together to improve healthcare. Using the tools of particle physics, scientists are enhancing cancer diagnosis and treatment. Interdisciplinary collaboration is the best way to address many of the complex issues we face today, like controlling climate change or fighting cancer, and it can help scientists and doctors make a lasting impact on human lives and the health of our planet.
本文将探讨科学合作的重要性。就像各行各业必须通力合作才能建造摩天大楼一样,来自不同领域的科学家也可以合作应对复杂的科学挑战。这就是所谓的跨学科合作,也是从事科学研究的好方法。通过汇集来自多个领域的知识和工具,科学家们可以发现创造性的解决方案,并建立起有意义的联系,而这些联系单靠他们自己可能是无法实现的。我们举例说明粒子物理学和医学这两个看似截然不同的领域是如何通过合作来改善医疗服务的。利用粒子物理学的工具,科学家们正在改进癌症的诊断和治疗。跨学科合作是解决我们当今面临的许多复杂问题(如控制气候变化或抗击癌症)的最佳途径,它可以帮助科学家和医生对人类生活和地球健康产生持久影响。
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引用次数: 0
The Mind-Bending World of New Brain Technologies 大脑新技术的神奇世界
Pub Date : 2024-05-21 DOI: 10.3389/frym.2024.1338446
Susan J. Debad, Olaf Blanke, B. Herbelin
Our amazing brains allow us to do incredible things, yet they remain mysterious in many ways. Researchers have discovered some situations in which the brain can be “fooled”, and these insights into the brain’s inner workings have led to some exciting new technologies, including virtual reality (VR). In addition to its well-known role in gaming and entertainment, VR has some amazing uses in the field of medicine. VR can help patients manage pain, and it can also help surgeons practice delicate procedures and guide them during operations. Other advances called brain-machine interfaces can listen to the brain’s chatter and translate thoughts into commands for computers or even robotic limbs, which could greatly improve the lives of people with certain disabilities. In this article, we will explain how researchers are using findings from cutting-edge brain research to produce exciting new technologies that can heal or even enhance the brain’s functions.
我们神奇的大脑能让我们做出不可思议的事情,但它们在许多方面仍然神秘莫测。研究人员已经发现了大脑可以 "被愚弄 "的一些情况,这些对大脑内部运作的洞察力催生了一些令人兴奋的新技术,包括虚拟现实(VR)。除了众所周知的游戏和娱乐功能外,VR 在医学领域也有一些惊人的用途。VR 可以帮助病人控制疼痛,还可以帮助外科医生练习精细的手术过程,并在手术过程中为他们提供指导。其他被称为脑机接口的先进技术可以聆听大脑的喋喋不休,并将想法转化为计算机甚至机器人肢体的指令,这可以极大地改善某些残疾人的生活。在本文中,我们将介绍研究人员如何利用前沿的大脑研究成果,开发出能够治愈甚至增强大脑功能的令人兴奋的新技术。
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引用次数: 0
Forest Cows Secrets: Cracking the Code With Movement Sensors 森林奶牛的秘密用运动传感器破解密码
Pub Date : 2024-03-28 DOI: 10.3389/frym.2024.1305706
Laura J. Niccolai, Saskia H. Wulff, E. Versluijs, Mélanie Spedener, Barbara Zimmermann, Anna Hessle, M. Tofastrud, Olivier Devineau, Alina L. Evans
Have you ever wondered how we can watch animals in the wild without actually being near them? In Norway, cows roam freely in the deep forest during summer. While the cows enjoy the freedom, it can be tricky to keep them safe from carnivores like wolves and bears, as no shepherds or dogs protect the herds. Keeping an eye on the cows is important! Farmers and researchers use GPS to track animals, just as we do for phones or cars. However, GPS does not tell us much about what the animals are doing. That is where movement sensors come in. These sensors store information about the tiniest body movements and reveal what the animal is doing at any time. Is the cow’s head up or down? Is it walking or running? Based on the data, we could distinguish 20 different behaviors! Now we can spy on cows, see what they are up to in the forest, and help farmers better care for them.
您是否想过,我们是如何在不靠近动物的情况下观看野生动物的?在挪威,奶牛夏天可以在深山老林里自由漫步。虽然奶牛们很享受这种自由,但由于没有牧羊人或狗来保护牛群,要保证它们不受狼和熊等食肉动物的伤害却很困难。密切关注牛群非常重要!牧场主和研究人员使用 GPS 跟踪动物,就像我们使用手机或汽车一样。然而,GPS 并不能告诉我们动物在做什么。这就是运动传感器的用武之地。这些传感器能存储最细微的肢体动作信息,随时显示动物在做什么。牛是抬头还是低头?它是在行走还是在奔跑?根据这些数据,我们可以分辨出 20 种不同的行为!现在,我们可以监视奶牛,了解它们在森林中的活动,帮助农民更好地照顾它们。
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引用次数: 0
How Do Lumpfish Protect Themselves Against Viruses? 鳞鱼如何保护自己免受病毒侵害?
Pub Date : 2024-03-28 DOI: 10.3389/frym.2024.1242605
Shreesha S. Rao, G. Haugland
For many people, a delicious salmon dish satisfies their taste buds. Salmon farming is a big industry, providing food for millions of people every day. However, the journey of this delicious meal from the ocean to your plate depends on lumpfish, a cool-looking fish that protects farmed salmon by eating sea lice. Sea lice are small parasites known to attack salmon and can cause disease if not removed. Since lumpfish are vulnerable to diseases, it is crucial to understand more about this organism’s complex immune system, as this will help keep them healthy so they can then do their important “job” of eating sea lice. In this article, we will explain how we study the way the fascinating lumpfish defends itself against diseases.
对许多人来说,一道美味的三文鱼菜肴能满足他们的味蕾。三文鱼养殖是一个大产业,每天为数百万人提供食物。然而,这道美味佳肴从海洋到您盘中的过程却有赖于鳞鱼。鳞鱼是一种外形酷炫的鱼类,它通过吃海虱来保护养殖的三文鱼。海虱是一种已知会攻击三文鱼的小寄生虫,如果不清除,就会导致疾病。由于鳞鱼很容易生病,因此进一步了解这种生物复杂的免疫系统至关重要,因为这将有助于保持它们的健康,使它们能够完成吃海虱的重要 "工作"。在本文中,我们将介绍如何研究迷人的囫囵鱼抵御疾病的方式。
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引用次数: 0
How Wasps Recognize Their Eggs 黄蜂如何识别自己的卵
Pub Date : 2024-03-27 DOI: 10.3389/frym.2024.1326347
R. D. da Silva, Fabio Santos do Nascimento, C. A. Oi
Wasps are insects that many people tend to dislike. But have you heard that wasps perform really important services in nature, such as pest control and pollination, and that they can also serve as living indicators of environmental health? We can learn a lot from wasps. Most people do not know that wasps have a sophisticated communication system—they use their eyes to see, their antennas to smell, and their legs to feel vibrations. The bodies of adult and young wasps are covered by a mix of odors, which carry information about which family they belong to. We decided to do experiments to see if wasps can recognize their eggs because, to us, all wasp eggs look very similar. In this article, we will show you that wasp eggs carry odors that wasps can recognize, and this helps the entire colony to function properly.
黄蜂是很多人都不喜欢的昆虫。但是你听说过黄蜂在自然界中提供了非常重要的服务吗,比如害虫控制和授粉,它们还可以作为环境健康的活体指标。我们可以从黄蜂身上学到很多东西。大多数人不知道黄蜂有一套复杂的通讯系统--它们用眼睛看,用触角闻,用腿感受振动。成年黄蜂和幼年黄蜂的身体上覆盖着混合气味,这些气味带有它们属于哪个家族的信息。我们决定做个实验,看看黄蜂是否能认出自己的卵,因为对我们来说,所有的黄蜂卵看起来都非常相似。在本文中,我们将向您展示黄蜂卵带有黄蜂可以识别的气味,这有助于整个蜂群的正常运转。
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引用次数: 0
How Can Helicopters Help Us Determine the Health of Antarctica’s Oceans? 直升机如何帮助我们确定南极洲海洋的健康状况?
Pub Date : 2024-03-27 DOI: 10.3389/frym.2024.1080545
Yoshihiro Nakayama, Pat Wongpan, J. Greenbaum, Kaihe Yamazaki, Shigeru Aoki
In East Antarctica, warm ocean water travels toward the Totten Ice Shelf. This water melts and thins the ice shelf, and speeds up the rate at which ice moves into the sea, leading to sea-level rise. Scientists often get on board ships called icebreakers to study the ice and water in these regions. However, sea ice and icebergs are major obstacles to navigation and scientific operations. For example, American, Australian, and Japanese icebreakers tried but could only observe a small area where sea ice was more broken up. So, we used a helicopter to measure the ocean during one of our research expeditions. Helicopters can travel faster than icebreakers. They can fly over sea ice and icebergs, and trained workers can drop sensors into small gaps in the ice. In 6 days, we observed ocean temperatures at 67 sites, covering a large area that could not be studied before. We identified wide pathways of warm water flowing toward the Totten Ice Shelf.
在南极洲东部,温暖的海水流向托滕冰架。这些水使冰架融化变薄,加快了冰入海的速度,导致海平面上升。科学家们经常登上名为 "破冰船 "的船只,研究这些地区的冰和水。然而,海冰和冰山是航行和科学作业的主要障碍。例如,美国、澳大利亚和日本的破冰船尝试过,但只能观察到海冰比较破碎的一小块区域。因此,我们在一次研究考察中使用直升机测量海洋。直升机比破冰船飞得更快。它们可以飞越海冰和冰山,训练有素的工作人员可以将传感器投放到冰层的小缝隙中。在 6 天内,我们在 67 个地点观测了海洋温度,覆盖了以前无法研究的大片区域。我们发现了温水流向托滕冰架的广泛路径。
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引用次数: 0
Creating Tiny Human “Organs” to Test medicines… and More! 制造微小的人体 "器官 "来测试药物......以及更多!
Pub Date : 2024-03-27 DOI: 10.3389/frym.2024.1320408
Lena Smirnova, Thomas Hartung
Scientists have developed tiny cell models called microphysiological systems (MPSs) that mimic human organs, allowing medicines to be tested without using animals. MPS contain human cells carefully arranged to simulate a real organ’s structure and function. One type of MPS, called an organ-on-chip, also pumps fluids containing nutrients and oxygen through the model, similar to the function of blood flow in our bodies. These MPSs can test how medicines affect human cells and help scientists develop safer, more effective treatments for diseases. MPSs can also be personalized using a patient’s own cells, to find the best treatment for each person. While challenges remain, like cost and reliability, MPSs are steadily improving. Beyond testing medicines, they can be used to study dangerous environmental chemicals and to model diseases. We can even connect multiple “organs” to simulate the whole body. As these revolutionary technologies improve and become widely accepted, they could speed up drug development and reduce animal testing.
科学家们已经开发出了被称为微生理系统(MPS)的微小细胞模型,它可以模拟人体器官,从而无需使用动物就能对药物进行测试。MPS 包含精心排列的人体细胞,可模拟真实器官的结构和功能。其中一种被称为片上器官的 MPS 还能泵送含有营养物质和氧气的液体通过模型,类似于我们体内的血流功能。这些 MPS 可以测试药物如何影响人体细胞,帮助科学家开发更安全、更有效的疾病治疗方法。MPS还可以利用患者自身的细胞进行个性化设计,从而找到最适合每个人的治疗方法。虽然成本和可靠性等挑战依然存在,但 MPS 正在稳步改善。除了测试药物,它们还可用于研究危险的环境化学物质和建立疾病模型。我们甚至可以连接多个 "器官 "来模拟整个身体。随着这些革命性技术的改进和被广泛接受,它们可以加快药物开发,减少动物试验。
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引用次数: 0
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Frontiers for young minds
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