受精需移动15厘米？科学家被骗了300多年
360doc.com,
人类精子从出发到达输卵管中并与卵子完成受精，通常来说它们需要移动15厘米到18厘米的距离。 考虑到精子是动物最小的细胞之一——人类精子从顶体到末端的长度差不多只有50微米左右，移动超过15厘米不是一件不容易的事。 事实上，不仅距离上对精子来说很遥远，在15厘…
Showing items 1–100
News story from Gizmodo Australia on Saturday 29 May 2021
Gizmodo Australia,
News story from Gizmodo on Saturday 29 May 2021
Gizmodo,
精子为何能一往直前？
sina.com.cn,
撰文 | 石云雷 受精过程是人类得以繁衍的必要条件。一个成熟的精子想要与成熟的卵子结合，它需要超过同期竞争的数十亿个精子。因此，这颗精子需要具有优异的游动能力，在与卵细胞相遇后，具有更快地分泌酶，从而溶解透明带和卵细胞膜的能力。这场生命最初的竞争，能确保胜者…
想拍出大片效果？可能只需要一束激光丨2020十大科技动图
The Paper,
原创 窗敲雨 果壳 多灾多难的2020年就要过去了，我可能不会怀念它，但却还会想起这一年中那些有趣的科技动图与视频。这些现象与演示背后可能并没有多么重大的突破，但它们直观地展现着科学之美，也为人们带来了点滴的快乐。 在本文中，就让我们来回顾十个来自2020年…
想拍出大片效果？可能只需要一束激光丨2020十大科技动图
sina.com.cn,
原标题： 原创 窗敲雨 果壳 多灾多难的2020年就要过去了，我可能不会怀念它，但却还会想起这一年中那些有趣的科技动图与视频。这些现象与演示背后可能并没有多么重大的突破，但它们直观地展现着科学之美，也为人们带来了点滴的快乐。 在本文中，就让我们来回顾十个来自…
La nage des spermatozoïdes - Pieuvre.ca
Pieuvre.ca,
En 1677, le biologiste Anton van Leeuwenhoek décrit le mouvement des spermatozoïdes: une ondulation symétrique semblable à…
Sperm don't slither, they swim in a corkscrew motion
Big Think,
Since 1677, thanks to an optical illusion caused by viewing them in 2D, science has assumed that sperm move toward an egg by…
Research captures how human sperm swim in 3D
7th Space Family Portal,
This news release is a revision of one originally published on July 31, 2020. Using state-of-the-art 3D microscopy and…
Research captures how human sperm swim in 3D | Scienmag: Latest Science and Health News
ScienMag,
This news release is a revision of one originally published on July 31, 2020. Using state-of-the-art 3D microscopy and…
REVISED PRESS RELEASE: Research captures how human sperm swim in 3D
AlphaGalileo,
This news release is a revision of one originally published on July 31, 2020, following concerns about some of the mathematical…
How George Costanza May Have Been Wrong About ‘His Boys’
Qrius,
Hermes Gadêlha, University of Bristol Sperm is critical for the fertilisation of almost every living organism on our planet…
Los espermatozoides no avanzan moviendo la cola
National Geographic,
Han pasado más de 340 años desde que Antonie van Leeuwenhoek, el padre de la microbiología y a quien debemos el descubrimiento…
Research captures how human sperm swim in 3D
EurekAlert!,
This news release is a revision of one originally published on July 31, 2020. Using state-of-the-art 3D microscopy and…
Research captures how human sperm swim in 3D
Newswise,
Using state-of-the-art 3D microscopy and mathematics, Dr Hermes Gadêlha from the University of Bristol, Dr Gabriel Corkidi and…
不像蛇而像螺旋，精子游动方式被误解300多年
China Science Communication,
科普中国中央厨房 2020-08-12 你的出生，比你以为的更神奇，更幸运。 精子在三维空间中的运动。||Polymaths Lab 作者| 高佩雯 陈天真 每个人都曾经是游泳健将。——当你还是一颗精子的时候。 最先发现这个秘密的人是列文虎克。他用自己发明的…
果壳 误会了几百年，精子游泳根本不像小蝌蚪！丨一周科技 这一次，科学家看清了它们真正的泳姿 果壳果壳网官方帐号
Guokr.com,
果壳 误会了几百年，精子游泳根本不像小蝌蚪！丨一周科技 原创 见文末 果壳 果壳 微信号 Guokr42 功能介绍 科学和技术，是我们和这个世界对话所用的语言。 欢迎收看一周科技。本周冷知识：旋转才是精子真正的前进姿势。 钝刀片 剃刀刀片比人的毛发坚硬很多…
O que a ciência sabia sobre o movimento dos espermatozoides está ERRADO!
Canaltech,
Parece difícil de acreditar, mas o que a ciência entendia sobre o movimento dos espermatozoides há mais de 350 anos estava…
Setelah 350 tahun, baru diketahui ternyata sperma berputar, bukan berenang
The Conversation,
Sperma merupakan bagian yang sangat penting dalam proses pembuahan hampir semua organisme hidup yang ada di bumi, termasuk…
Sperm fooled scientists for 350 years with one unexpected discovery
Inverse,
Sperm is critical for the fertilization of almost every living organism on our planet, including humans.
Sperms don’t swim — scientists have been wrong for the last 350 years
The Print,
To monitor sperm movement, we set up a super-fast camera capable of recording over 55,000 pictures in one second mounted on a…
Sperm Fooled Scientists for 350 Years: They Spin, Not Swim
The Wire,
Featured image: A breakthrough discovery has found that sperm aren’t “swimmers” after all.
We've Been Wrong About How Sperm Moves for 340 Years
Interesting Engineering,
Every male animal that reproduces with meiosis carries sperm. To fertilize an egg, human sperm scales the distance equivalent…
أمل لعلاج عقم الذكور.. تقنية جديدة تكشف طبيعة سباحة الحيوانات المنوية
Aljazeera,
في عام 1677، أي منذ 343 عاما، اكتُشفت الحيوانات المنوية لأول مرة في التاريخ، لكن الأمر استغرق حوالي 200 عام قبل أن يتفق العلماء ع…
News story from Publico on Thursday 06 August 2020
Publico,
Llevamos 300 años equivocados: los espermatozoides no «nadan» como pensábamos
La Voz Digital,
Los hallazgos desafían las suposiciones hechas durante siglos: su movimiento se parece más al de un sacacorchos que al de una…
Llevamos 300 años equivocados: los espermatozoides no «nadan» como pensábamos
ABC desevilla,
Los hallazgos desafían las suposiciones hechas durante siglos: su movimiento se parece más al de un sacacorchos que al de una…
Los espermatozoides no avanzan moviendo la cola
National Geographic,
Han pasado más de 340 años desde que Antonie van Leeuwenhoek, el padre de la microbiología y a quien debemos el descubrimiento…
Les spermatozoïdes se déplacent comme des loutres
Pourquoi Docteur ,
L'ESSENTIEL Le flagelle d’un spermatozoïde est en fait bancal, ne bougeant que d’un côté et, pour garder le droit chemin et ne…
Afinal, os espermatozóides não nadam como enguias
ZAP,
Um novo estudo levado a cabo por cientistas de Bristol, no Reino Unido, e do México concluiu que os espermatozóides humanos não…
News story from 20minutes on Wednesday 05 August 2020
20minutes,
News story from AllAfrica on Wednesday 05 August 2020
AllAfrica,
Bewegung von Spermien: Otter statt Aale
Frankfurter Allgemeine,
Von etwas Zweidimensionalem auf etwas Dreidimensionales zu schließen, ist kein leichtes Unterfangen.
Non, les spermatozoïdes ne "nagent" pas pour rejoindre l'ovule
Yahoo! News,
SANTE - “Têtards” ou encore “anguilles”, les spermatozoïdes sont souvent comparés à des animaux aquatiques.
News story from IOL on Wednesday 05 August 2020
IOL,
We Thought We Knew How Sperm Swam, But It Was Just an Optical Illusion
Science Alert,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Как плавают сперматозоиды
Science and Life Russia ,
При движении сперматозоиды не только виляют хвостом, но вращают головкой, как бы ввинчиваясь вперёд.
New Study Contradicts Centuries-Old Belief About Sperm Movement, Says They ‘Roll Like Otters’
infosurhoy,
Ever since the discovery of a compound microscope over three centuries ago, scientists have believed that human sperm swam by…
精子“欺骗”科学家300多年！最新研究：精子并非像“小蝌蚪”左右摆动前进
Sohu News,
人类精子是怎样游动的？三百多年来，科学家也可能被2D显微镜下的这类视野给欺骗。 学界一直以为精子像蝌蚪或鳗鱼那样摆动尾巴前进。 最近一项研究借助先进的高速摄影技术，发现这种印象其实是一种视错觉，精子的运动方式实际上要更加复杂： 它们的尾巴朝向一侧摆动，头部旋…
Sperm fooled scientists for 350 years: They spin, not swim
Business Insider,
Human sperm travel through fluid to reach and fertilize an egg. Scientists thought sperm moved by wiggling their tails side-to-si…
Espermatozoides nadam de um jeito diferente do que você imagina. Entenda
Metrópoles,
Pesquisadores da Universidade de Bristol, na Inglaterra, e da Universidade Nacional Autônoma, do México, examinaram amostras de…
Según un estudio, los espermatozoides no se mueven como se creía hasta ahora
infobae,
Más de trescientos años después de que Antonie van Leeuwenhoek usara uno de los primeros microscopios para describir el esperma…
Research Provides New Insights into How Human Sperm Swim
Lab Manager ,
How human sperm really swim: new research challenges centuries-old assumption. polymaths-lab.com A breakthrough in fertility…
How Human Sperm Fooled Scientists for 350 Years
infosurhoy,
The sperm tail moves very rapidly in 3D, not from side-to-side in 2D as it was believed.
News story from Slate France on Tuesday 04 August 2020
Slate France,
Sperm has fooled scientists for centuries: they don't 'swim', they move with as its tail 'spins'
MSN,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm has fooled scientists for centuries: they don't 'swim', they move with as its tail 'spins'
Yahoo! News,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm has fooled scientists for centuries: they don't 'swim', they move with as its tail 'spins'
Yahoo! Finance USA,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm has fooled scientists for centuries: they don't 'swim', they move with as its tail 'spins'
Firstpost,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm fooled scientists for 350 years – they spin not swim
Stuff.co.nz,
ANALYSIS: Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Lääketiede | Miehen siittiö ui kuin saukko eikä kuin kala – uintitekniikkaa on tulkittu väärin yli 300 vuotta
Helsingin Sanomat,
Miehen sperman siittiöiden uintityyli on tunnettu yli 300 vuotta. Niin tutkijat luulivat.
Veja o vídeo Espermatozoides nadam como “giro de pião”, e não balançando o flagelo
Superinteressante,
Você deve se lembrar da figura de um espermatozoide dos livros de ciências: uma pequena e alongada célula com um flagelo – ou…
Scientific Discovery: Human Sperm Spin, Not Swim
The National Interest,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Los espermatozoides no se mueven como todos imaginamos por 350 años | Vídeos
Sputnik News,
© Foto : Pizabay/ Karin Henseler Investigadores de la Universidad de Bristol, Reino Unido, y de la Universidad Nacional Autónoma…
News story from Big News Network on Monday 03 August 2020
Big News Network,
Espermatozoides: su movimiento en 3D revoluciona la creencia de cómo "nadan"
Todo Noticias,
Cuando hace 340 años el holandés Antonie van Leeuwenhoek utilizó uno de los primeros microscopios para describir a los…
Descubren que los espermatozoides no se mueven como se creía
Diario las Américas,
Así, Gadelha junto con otros científicos de la Universidad Nacional de México, indicaron que el espermatozoide se mueve hacia…
Sperm has been deceiving scientists for 350 years – they turn and don’t swim
NewsBeezer,
Sperm actually moves like a spinning top. Yurchanka Siarhei / Shutterstock“Src =” https://s.yimg.com/ny/api/res/1.2/b7UI3ZxbsW7bA…
Il nuoto a cavatappi dello spermatozoo
Le Scienze,
Un microscopio ad alta definizione, una videocamera ad alta velocità che cattura 55.000 fotogrammi al secondo, e una…
MIL-OSI Global: Sperm has fooled scientists for 350 years – they spin not swim
Foreign Affairs New Zealand,
– By Hermes Gadêlha, Senior Lecturer in Applied Mathematics and Data Modelling, University of Bristol Sperm is critical for the…
Sperm fooled scientists for 350 years – they spin not swim
The Conversation,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm has fooled scientists for 350 years – they spin not swim
Yahoo! News,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Sperm fooled scientists for 350 years – they spin not swim
Google News,
Sperm is critical for the fertilisation of almost every living organism on our planet, including humans.
Reproduktionsmedizin: Spermien schwimmen wie Otter, nicht wie...
Deutsches Ärzteblatt,
/rost9, stock.adobe.com Bristol Menschliche Spermien bewegen sich anders fort, als lange angenommen.
How Sperm ‘Swim’ May Be Nothing But an Optical Illusion
infosurhoy,
An international group of scientists say their latest research will upturn one of the earliest scientific discoveries ever made…
Zaadcelstaarten zwiepen niet – ze tollen in het rond
NRC Handelsblad,
Mechanica Onder een microscoop lijken spermacellen te zwiepen met hun staart. Maar dat is optisch bedrog: in werkelijkheid…
Plemniki nie poruszają się tak, jak sądziliśmy. Przez 350 lat ludzie wierzyli w iluzję optyczną
Kopalnia Wiedzy,
Przed 350 laty Antoine van Leeuwenhoek wykorzystał jeden z najwcześniejszych mikroskopów do obserwacji poruszania się plemników.
Sperma blijkt helemaal niet te zwemmen
Scientias ,
Spermacellen bewegen zich heel anders voort dan gedacht; ze zwemmen niet, maar draaien.
New Study Contradicts Centuries-Old Belief About Sperm Movement, Says They 'Roll Like Otters'
International Business Times,
KEY POINTS A new study using 3D microscopy says human sperm roll like 'playful otters' when they swim Researchers used state-of-t…
Miehen siittiö ei etenekään siemennesteessä kuin kala
Tiede,
Miehen sperman siittöiden uintityyli on tunnettu yli 300 vuotta. Niin tutkijat luulivat.
On sait enfin comment nage un spermatozoïde
Yahoo! News,
Il y a plus de 300 ans, Antoni van Leeuwenhoeck a observé des spermatozoïdes avec l'un des tous premiers microscopes.
Vidéo : on sait enfin comment nage un spermatozoïde
Futura-Sciences,
Antoni van Leeuwenhoeck a vu onduler des spermatozoïdes dans un microscope rudimentaire il y a plus de 300 ans.
3D microscopy reveals how human sperm swim Physics World
Google News,
Human sperm swim in corkscrew motions to compensate for the asymmetry in their tails.
3D microscopy reveals how human sperm swim - Physics World
physicsworld.com,
Human sperm swim in corkscrew motions to compensate for the asymmetry in their tails.
How Human Sperm Really Swim
Technology Networks,
A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how…
Новые эксперименты опровергли хрестоматийные представления о том, как плавают сперматозоиды
Naked Science,
Микроскоп с высокоскоростной камерой и компьютерное моделирование показали, что сперматозоиды плавают не за счет боковых движений…
340年間信じられてきた「精子の泳ぎ方」が覆される、3Dで泳ぐ精子を再現するとこんな感じ
Gigazine,
17世紀に「精子はヘビのように尾を揺らして泳ぐ」と確認されてから、これは科学の定説となってきましたが、最新技術を駆使して観察が行われた結果、「実は精子はスクリューのように動いて前進している」ことが判明しました。この発見により、男性の受精能力に関する研究が進む…
Sperm swim like corkscrewing otters, not swishing eels, study shows
New Atlas,
While all kinds of questions remain around how sperm travel and go about fertilizing eggs, they have generally been thought to…
Altro che girini o anguille: ecco come nuotano gli spermatozoi - Galileo
Galileonet,
Finora si pensava “nuotassero” come fanno i girini o le anguille. E invece il lume della scienza ha appena mostrato che non è…
News story from Gizmodo Australia on Sunday 02 August 2020
Gizmodo Australia,
How human sperm really swim: New research challenges centuries-old assumption
Sign of the Times,
© polymaths-lab.com The sperm tail moves very rapidly in 3D, not from side-to-side in 2D as it was believed.
One Phantasmic Way Sperm Have Fooled Microscopes Since 1678
Psychology Today,
The sperm tail moves very rapidly in 3D, not from side-to-side in 2D, as it was believed.
Forscher finden heraus, wie Spermien schwimmen
SPIEGEL ONLINE,
Lange glaubten Wissenschaftler, menschliche Spermien schlagen mit ihrer Geißel, um sich fortzubewegen.
Выяснилось, что сперматозоиды на самом деле вращаются
Popmech,
Произошло это через три с лишним сотни лет после того как Антони ван Левенгук, разглядев в один из первых микроскопов человечески…
Weird swimming pattern of human sperm revealed — They don't wiggle, they roll
India TV,
Image Source : PTI According to a new study, sperms roll around like an otter (Illustration) Over 300-year-old notion that the…
Human Sperm Swim Like 'Playful Otters,' New Study Finds
Yahoo! News,
A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don…
Human Sperm Swim Like 'Playful Otters,' New Study Finds
Yahoo! News,
A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don…
Human Sperm Swim Like 'Playful Otters,' New Study Finds
Yahoo! News,
A new study has revealed that everything we thought we knew about sperm movement was a lie: Those persistent little swimmers don…
News story from Gizmodo UK on Saturday 01 August 2020
Gizmodo UK,
How Sperm 'Swim' May Be Nothing But an Optical Illusion
Google News,
An international group of scientists say their latest research will upturn one of the earliest scientific discoveries ever made…
Espermatozoides nadam com 'giro de pião', e não com movimentos paralelos, aponta cientista brasileiro
G1,
A forma com que a ciência pensou, por mais de três séculos, o nado dos espermatozoides estava errada.
Studie: Spermien drehen sich wie Otter beim Schwimmen - WELT
Die Welt,
Stand: 11:08 Uhr | Lesedauer: 2 Minuten Wie bewegen sich Spermien fort? Wissenschaftler sind offenbar jahrhundertelang einer…
Studie: Spermien drehen sich wie Otter beim Schwimmen
Augsburger Allgemeine,
vor 7 Min. Wie bewegen sich Spermien fort? Wissenschaftler sind offenbar jahrhundertelang einer optischen Täuschung aufgesessen.
Studie: Spermien drehen sich wie Otter beim Schwimmen
Handelsblatt,
Menschliche Spermien bewegen sich nicht wie Aale fort, sondern eher wie Otter - das berichten die Autoren einer neuen Studie.
Studie: Spermien drehen sich wie Otter beim Schwimmen
Potsdamer Neueste Nachrichten,
Video Mittels moderner 3D-Mikroskopie hätten sie die mehr als 300 Jahre alte Annahme widerlegt, dass sich die Schwanzteile der…
Theory of how sperm reach the egg has been turned on its head
Yahoo!,
A pioneering 3D filming technique developed by British scientists has captured how sperm really 'swim'.
Human sperm roll like 'playful otters' as they swim, study finds, contradicting centuries-old beliefs
KXLY ,
Using complex mathematics and 3D imaging, a group of researchers at the University of Bristol have discovered human sperm doesn’t…
O espermatozóide não se move como se pensava
Sabado Portugal,
Estudo revela que o movimento da célula reprodutiva masculina é mais semelhante ao de um saca-rolhas que ao de uma serpente.
Human sperm roll like ‘playful otters’ as they swim, study finds, contradicting centuries-old beliefs
KOAMNewsNow.com,
5:59 PM By, CNN Posted: July 31, 2020 5:59 PM Using complex mathematics and 3D imaging, a group of researchers at the…
Human sperm roll like ‘playful otters’ as they swim, study finds, contradicting centuries-old beliefs
CrossRoads Today abc25,
Using complex mathematics and 3D imaging, a group of researchers at the University of Bristol have discovered human sperm doesn’t…
Showing items 1–100