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科学能把爱变成一片药丸么

催产素经常被误认为爱情激素,它的释放一般与爱的刺激有关。现在科学家正试图利用药物的力量,制造一粒爱的药丸,给那些需要关爱的人。

2015-11-30 课时:6分钟

自己在家中提取草莓的DNA(很有意思的科学实验)

自己在家中提取草莓的DNA(很有意思的科学实验)。来源:HadronMesons - Science and Tech

2015-12-07 课时:6分钟

我是如何成为一名科学家的 - Alfredo Quinones-Hinojosa

本视频由科普中国和生物医学大讲堂出品

Alfredo Quinones-Hinojosa(Q博士)(霍普金斯达大学):我是如何成为一名科学

出生于墨西哥的Q博士,19岁时翻越美国边界的栅栏,成为加利福尼亚的一名农场工人。由于他自己的决心,努力工作和自律,以及来自家庭和朋友的大量支持,他离开了农场工作,完成了大学和医学院的学业,最终成为一位非常成功的医生、科学家和脑外科医生。

关于讲师:Alfredo Quinones-Hinojosa是约翰霍普金斯大学,神经外科学和肿瘤学,神经系统的细胞与分子医学的副教授,脑肿瘤外科手术的主任。Q博士作为一个专家外科医生,他致力于干细胞,在脑肿瘤的病因和治疗领域的研究。

Alfredo Quinones-Hinojosa (Dr. Q) (Johns Hopkins): How I Became a Scientist

At age 19, Quiñones-Hinojosa jumped the fence from Mexico to become a farm worker in California. Thanks to his own determination, hard work and discipline and a lot of support from family and friends, he left farm work, completed university and medical school, and ultimately became a highly successful physician-scientist and brain surgeon.

About the speaker: Alfredo Quiñones-Hinojosa is an Associate Professor of Neurosurgery and Oncology, Neuroscience and Cellular and Molecular Medicine and Director of the Brain Tumor Surgery Program at Johns Hopkins University. As well as being an expert surgeon, he researches the role of stem cells both in causing brain tumors and potentially in fighting them.

This talk was first released in iBioMagazine Issue 5.

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官方下载地址:http://www.medsci.cn/m/

2016-01-06 课时:16分钟

细胞和分子神经科学导论

细胞和分子神经科学是在神经科学中最新和发展最快的分支学科之一。通过研究基因,信号分子,以及细胞形态的影响,该领域的研究人员发现了正常脑发育和功能的关键因素,以及许多病理状况的根本原因。

本视频介绍了细胞和分子神经科学的奇妙世界,先从具有里程碑意义的研究的年表开始,从1953年发现的DNA到最近的突破,如离子通道的克隆。接下来介绍了该领域的关键问题,如基因如何影响神经元活动,以及神经系统是如何被经验修饰的。这之后我们简要说明了用于分析神经元遗传物质,操纵基因的表达,和观察神经元及其部分的一些主要的方法。最后,我们呈现了分子和细胞神经科学的多个应用,演示细胞和分子生物学方法是如何可用于分析神经元群体,并探讨其功能的。

2016-01-08 课时:12分钟

科学启蒙的回馈 - 安德鲁·穆雷

许多科学家之所以走上科研的道路,是因为他们遇到了一位充满热情,富有灵感的好老师, 穆雷认为,我们应该懂得回馈,就像我们敬爱的老师一样,在科学的路上帮助和启蒙更多人。当然,也会有其他更自私的原因,包括吸引优秀的学生到你的实验室,以及能够在宴会上,向你遇到的某人,展示你真的做了什么。

Giving Back: Andrew Murray (Harvard University)

Many scientists became scientists because they were influenced by an inspirational teacher. Murray argues that while this should be reason enough to teach, there are also other, more selfish, reasons. These include attracting good students to your lab, as well as being able to explain to someone you meet at a cocktail party what it is that you really do.

2016-01-08 课时:6分钟

跆拳道的心身之道,如何应用在科学研究

Anita Sil (UCSF/HHMI): The Way of the Hand, Foot, Heart, and Mind

During graduate school, Anita Sil started taekwondo(跆拳道) as a new way to get a good workout. Years later she was still at it, ultimately earning the highest honor- a black belt. Sil believes that many of the lessons of taekwondo, such as staying focused on long-term goals, also apply to science.

2016-01-08 课时:11分钟

我生命中的科学

Avram Hershko (Technion): Lessons from My Life in Science

Hershko lists lessons that he has learned from a happy and productive life in science. These lessons include, "choose your mentor well" and "have fun". Although Hershko directs his advice to young researchers, established scientists would do well to follow it too.

2016-01-11 课时:15分钟

BioBus的移动科学实验室

Ben Dubin-Thaler & Sarah Weisberg (BioBus): The BioBus Mobile Science Lab

The BioBus is an ecologically friendly, mobile, biology lab that provides children and adults with the chance to experience the excitement of hands-on science. Ben Dubin-Thaler and Sarah Weisberg explain why they chose to create and work on the BioBus and the joy of working with scientists and teachers to develop fun and educational opportunities for all ages.

2016-01-11 课时:8分钟

白宫科学研究员如何影响政府决策

Dr. Fletcher describes his experience of spending a year in Washington D.C. as a White House Fellow. He discusses the role of science in policymaking and addresses the question of how scientists can be effective in influencing decisions in government.

2016-02-02 课时:11分钟

成功女科学家的故事和策略

Throughout her career, Daniell benefitted from the support of a group of fellow female scientists.

Dr. Daniell is the author of the book “Every Other Thursday. Stories and Strategies from Successful Women Scientists”. Daniell was an Assistant Professor of Molecular Biology at the University of California, Berkeley and worked in the biotechnology industry before deciding to write about her group experience.

2016-02-02 课时:15分钟