English
全部
搜索
图片
视频
短视频
地图
资讯
更多
购物
航班
旅游
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
清除筛选条件
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
0:16
Central Dogma of Molecular Biology
已浏览 2280 次
1 个月前
YouTube
Biology By Choice
2:59
Geometry & Hybridisation 🔥 | Easy Tricks 🤯 | Learn Molecular Shapes Fast | VedPrep
已浏览 2721 次
1 个月前
YouTube
VedPrep CUET PG & IIT JAM
1:04
What is the Electron Cloud Doing?
已浏览 1.1万 次
1 个月前
YouTube
Math and Science
2:00
Central Dogma | DRT7 | #biochemistry #biology
已浏览 2192 次
1 个月前
YouTube
The Tutor - Biochemistry
1:29
Lac Operon | Molecular Basis Of Inheritance Class 12 #dryokesharul #youtubeshorts #biologyrevision
已浏览 3.3万 次
1 个月前
YouTube
Dr. Yokesh Arul
0:53
Properties of Covalent Compounds
已浏览 300 次
1 周前
YouTube
The Science Classroom
0:39
Melting Curve | تممّ
已浏览 301 次
1 周前
YouTube
GKM Science
0:06
Hybridisation Cheat Sheet 🔥 Top 50 Molecules sp, sp², sp³ Geometry 😎 full revision NEET JEE JAM
已浏览 1946 次
1 个月前
YouTube
One Chemistry
0:06
Top 50 Concepts in Basic Concepts in Chemistry 🔥 Full Revision One Shot (JEE NEET) Crash Course 🚀
已浏览 4353 次
1 个月前
YouTube
One Chemistry
0:33
The 180° Exam Trap (4 Hidden Carbons) #chemistry #organicchemistry
已浏览 5401 次
1 个月前
YouTube
Chemistry in a Nutshell
0:51
Polymers in Action | Live STEM Demo
已浏览 9149 次
1 个月前
YouTube
UChicago Pritzker Molecular Engineering
0:06
Top 50 Chemistry Basics Formula Pack 🔥 Full Chapter Chemistry Basics Formula Pack 🔥 NEET JEE
已浏览 2766 次
1 个月前
YouTube
One Chemistry
0:07
GCSE Biology Protein Synthesis 6 Marker Explained
已浏览 44.2万 次
1 个月前
TikTok
floraglancyyyy
0:28
Discovering the Science of Freeze-Drying Liquids
已浏览 260万 次
3 个月之前
TikTok
veganrecipes
0:46
Biodance Collagen Peptide Jelly Mist: Hydrogel Spray-On Mask
已浏览 200万 次
2 个月之前
TikTok
dermdoctor
1:08
Ever wondered how 23 pairs of chromosomes hold the entire blueprint of YOU? 🧬 From DNA packaging to the mystery of X and Y, we’re diving deep into the microscopic world that defines our biology. It’s fascinating how these thread-like structures carry thousands of genes, shaping everything from your eye color to your unique traits. 🧠✨ In this video, we break down the complex structure of human chromosomes and why they are the foundation of genetics. Perfect for students, science lovers, or anyo
已浏览 130万 次
1 个月前
TikTok
dark.soap7
1:06
Researchers at the University of Utah published this in Molecular Psychiatry in September 2025. They found two different types of microglia, which are immune cells inside your brain, that have opposite effects on anxiety. One type suppresses anxiety and the other type promotes it. Basically a built in brake and accelerator fighting each other. The reason this is a big deal is because every anxiety medication on the market targets neurons. Not immune cells. So if this research holds up, it could
已浏览 40.8万 次
1 个月前
TikTok
adytum_official
1:36
Why do viruses look like robots? Once you discount the AI-generated, misleading videos, viruses really ARE way more robot-like than humans! And the reason they look so weirdly mechanical comes down to scale and complexity. At human size, biology is squishy. Muscles, skin, organs — it feels like nature is sculpting with clay. But viruses are built at the molecular scale, where you don’t have soft, flexible materials to freely mold into any shape. You have proteins. And proteins are more like LEGO
已浏览 45.7万 次
3 周前
TikTok
distilledscience
3:04
Molecular Hydrogen Benefits for Inflammation Support
已浏览 180万 次
4 个月之前
TikTok
raes_real_dealz
1:01
Biology Trivia: Can You Answer These Key Questions?
已浏览 89.4万 次
4 个月之前
TikTok
voodies
展开
更多类似内容
反馈