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A relationship between two species of plants or animals in which one benefits at the expense of the other, many times the parasite lives in or on the host and may even cause the host to die.
Examples of Parasites: Protozoa plasmodium
Arthropods like a tick
Certain worms are parasites and even plants.

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Symbiosis
https://youtu.be/uO_MXis2uRk

Student pairs are given 10 minutes to create the biggest box possible using one piece of construction paper. Teams use only scissors and tape to each construct a box and determine how much puffed rice it can hold. Then, to meet the challenge, they improve their designs to create bigger boxes. They plot the class data, comparing measured to calculated volumes for each box, seeing the mathematical relationship. They discuss how the concepts of volume and design iteration are important for engineers. Making 3-D shapes also supports the development of spatial visualization skills. This activity and its associated lesson and activity all employ volume and geometry to cultivate seeing patterns and understanding scale models, practices used in engineering design to analyze the effectiveness of proposed design solutions.

View the full activity at TeachEngineering: https://www.teachengineering.o....rg/activities/view/c

TeachEngineering has over 1,500 FREE lessons and activities. Visit http://www.TeachEngineering.org for more!

Music: Milos - Eveningland

🚀 Become an AI Master – All-in-one ChatGPT Learning https://aimaster.me/pro

In this video I explore how Sam Altman’s hints about GPT-4.5 and GPT-5 are reshaping the AI landscape. You’ll discover the key differences between GPT-4.5 and GPT-5, learn why OpenAI’s next release could unify “fast” and “thoughtful” AI models, and find out how chain-of-thought reasoning could change everything from creative writing to complex problem-solving. I also discuss the biggest challenges OpenAI has faced during GPT-5’s development—from massive data requirements to persistent engineering snags—and why this model might feel closer to AGI than any chatbot yet.

Chapters:
0:00 - Introduction
0:24 - Timeline
3:20 - Release date
3:38 - Why the Wait?
5:01 - More problems
7:25 - The Big & The Bigger
8:41 - A solution
9:38 - New Architecture
11:32 - Deeply Multimodal Interaction
12:34 - Built-in Operator & Scheduling Features
13:23 - Personalization & Persistent Memory
14:11 - Larger Context Windows
14:56 - Visual Planning & Collaboration (Canvas)
16:13 - Will GPT-5 Feel Like AGI?
17:31 - Why GPT-5 Matters
18:35 - It's Almost Here

This week Craig continues our conversation on presidential powers by looking at those NOT found in the Constitution - implied or inherent powers. We’ll talk about how the President uses their power to negotiate executive agreements, recommend legislative initiatives, instate executive orders, impound funds, and claim executive privilege in order to get things done. Implied powers are kind of tough to tack down, as they aren’t really powers until they’re asserted, but once they are, most subsequent Presidents chose not to give them up. So we’ll try to cover those we’ve seen so far and talk a little bit about reactions to these sometimes controversial actions from the other branches of Congress.

Support is provided by Voqal: http://www.voqal.org
This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse

Chapters:
Introduction: Informal Powers of the President 00:00
Informal powers of the President 0:50
Inherent power to use troops 1:20
War Powers Resolution 2:23
Executive agreements vs. treaties 2:42
CEO of the U.S. 3:31
Legislative Initiative 4:18
Executive orders 5:20
Impounding funds 6:02
Executive privilege 6:20
The importance of presidential precedent 6:56
Credits 7:21

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HOW TO LEARN & Master AI in 2026 ? (Complete Powerful 7-step ROADMAP) #ai #artificialintelligence #howtolearnai #learnai #masterai #aiexplained #aiforbeginners #ai2026 #tejasai #2026

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🚀 The COMPLETE AI Learning Roadmap for 2026 - From Zero to AI Expert

Stop wasting time on scattered tutorials and incomplete courses. Everyone tells you to "understand AI" and "use tools," but nobody shows you the EXACT step-by-step roadmap to actually master AI from scratch.

Today, I'm breaking down the complete 7-step roadmap that people sell for hundreds of dollars—absolutely FREE. This is the same path I'm using to learn AI, and it's proven, effective, and gives you a clear direction in the world's most powerful technology.

What You'll Learn:
✅ The exact 7-step roadmap to master AI systematically
✅ Why basics matter more than jumping into ChatGPT immediately
✅ Python essentials for AI (without becoming a coding expert)
✅ Machine Learning fundamentals explained in simple terms
✅ Deep Learning and Neural Networks demystified
✅ How to build real AI projects that showcase your skills
✅ Mastering Generative AI, LLMs, and modern tools
✅ Choosing your specialization and building a killer portfolio

🎯 The 7-Step AI Learning Roadmap:

Step 1: Master the Basics
Stop jumping around until your fundamentals are crystal clear. Understand what AI, Machine Learning, Neural Networks, Gen AI, Agentic AI, and LLMs actually mean—not just the buzzwords, but how they work and their real-world applications. A weak foundation = a collapsing empire.

Step 2: Learn Python - AI's Main Language
You don't need to become a Python expert. Just master the essentials: variables, if/else, loops, functions, lists, dictionaries, NumPy, and pandas. Think of Python as your paintbrush—simple to learn, powerful to use. Spend 2-3 weeks coding daily.

Step 3: Dive Into Machine Learning
This is where real AI learning begins. Understand supervised vs unsupervised learning, linear regression, classification, clustering, overfitting, and evaluation metrics. Work with real datasets—predict house prices, classify data, analyze patterns. Get your hands dirty.

Step 4: Deep Learning & Neural Networks
The advanced version of ML. Learn about neural networks, layers, CNNs, transformers, backpropagation, and training loops. Master PyTorch or TensorFlow. Build image classifiers and text models. This is where computers learn to see, hear, and understand like humans.

Step 5: Build Real Projects
Theory means nothing without practice. Build image classifiers, voice-to-text models, sentiment analyzers, fake news detectors, and recommendation systems. Projects transform knowledge into skill. Document everything—your portfolio is your proof.

Step 6: Master Gen AI, Tools & LLMs
Connect everything to modern Generative AI. Learn prompt engineering, embeddings, and how LLMs work. Use ChatGPT, Midjourney, Runway, and ElevenLabs. Build chatbots, PDF Q&A bots, and content generators using APIs. Join the cutting edge.

Step 7: Specialize & Build Your Portfolio
Pick your track: AI/ML Engineer, Data Scientist, or Gen AI Expert. Become irreplaceable in your niche. Build 5-10 projects showcasing your specialization. Share on GitHub, write blogs, create tutorials. Build in public.

💡 Key Takeaway:
AI isn't complicated—it just needs a clear roadmap. This journey takes months of consistent effort, not genius. You'll never feel "ready," but you don't need to know everything to create value. The time to start is NOW.

🔥 Why This Matters:
→ AI is transforming every industry—healthcare, finance, entertainment, education
→ 70% of AI professionals don't have CS backgrounds—they learned strategically
→ AI literacy will be as common as computer literacy soon
→ The opportunities today are unprecedented—but they won't last forever
→ Start messy, start imperfect, but START TODAY

👉 Ready to Transform Your Future?
Don't wait for the perfect starting point. The AI revolution is happening NOW. Start with one step, one project, one small action. Your future self is counting on you.

"AI isn't about being a genius. It's about consistency, patience, and showing up every single day."
Start your AI mastery journey today! 🚀

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- Tejas AI

Today Hank talks about your central nervous system. In this episode, we'll explore how your brain develops and how important location is for each of your brain's many functions.

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Download it here for Apple Devices: https://apple.co/3d4eyZo
Download it here for Android Devices: https://bit.ly/2SrDulJ

Chapters:
Introduction: Broca's Aphasia 00:00
Central Nervous System Structure & Function 1:48
Brain Development: Neural Tube 3:27
Brain Development: 3 Primary Vesicles 3:47
Brain Development: 5 Secondary Vesicles 4:04
Brain Development: Major Adult Brain Regions 4:18
Brain Development: Cerebellum & Brain Stem 4:42
Brain Development: Reptilian Brain 5:45
Brain Development: Cerebral Hemispheres 6:35
The Brain's Lobes 7:35
Review 9:14
Credits 9:48

***
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Did you know that centrifugal force isn't really a thing? I mean, it's a thing, it's just not real. In fact, physicists call it a "fictitious force." Mind blown yet? To explore this idea further, this week Shini sits down with us to discuss centripetal force, centrifugal force, and a few other bits of physics to help us understand uniform circular motion.


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MORE HISTORY https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
LONG VIDEOS https://www.youtube.com/playli....st?list=PLLF_mZmNqOn

🏛️📜 Explore the great civilizations of Ancient History! In this educational video for primary school children, you'll travel through time to discover how the Egyptians, Greeks, and Romans lived. Learn about their inventions, lifestyles, cultures, and the legacy they left behind. 🏺⚖️⛵

History in Primary School allows children to learn about and understand the past in order to make sense of the present and build the future. From Prehistory, Ancient Egypt, and the Roman Empire, to the Middle Ages, great discoveries, and revolutions — each video is designed to make learning dynamic and exciting.

They will learn how societies have evolved, how inventions and advancements have transformed the world, and why understanding history helps us make better decisions.

📖 SUBJECT PLAYLISTS
🦖⛰️🐅 NATURAL SCIENCES for Primary School: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
👨‍🏫 SOCIAL SCIENCES for Primary School: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
➕✖️ MATH for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
🤴🏰 HISTORY for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
🌍⛰️ GEOGRAPHY for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn
🤝😊 Values and Emotions for Primary School Children: https://www.youtube.com/playli....st?list=PLLF_mZmNqOn v=KkCIIQyevjo&list=PL_Y3qbepMRoY7gwuwniiq11oMo6Ofe724

🌍 THE HAPPY LEARNING UNIVERSE

✅ Learn more about Happy Learning and our educational platform: https://happylearning.tv/en/

✅ Discover our social mission: https://happylearning.tv/en/nemesio-diez-foundation/

✅ Download the Happy Learning App:
- iOS: https://apps.apple.com/es/app/....happy-learning-tv/id
- Android: https://play.google.com/store/apps/details?id=tv.happylearning.canal&pli=1

🎓 ABOUT HAPPY LEARNING
Happy Learning is a social enterprise created by the Nemesio Diez Foundation, working to improve people's quality of life through education, health, sports and culture.

As a social company, our mission is to educate all children in the world in values and knowledge, to promote their holistic development and their commitment to society and the planet.

We offer educational resources to families, schools, hospitals and NGOs to ensure that children everywhere have access to a high-quality, comprehensive education.

At Happy Learning, we turn learning into an exciting adventure for primary school children. 🚀
We offer over 2,000 educational resources that combine fun and learning through animated videos, reading materials, interactive games and real-world activities.

📺 HAPPY LEARNING YOUTUBE CHANNEL

Welcome to Happy Learning! 🚀📚
The educational channel where learning is an adventure. Our goal is to spark curiosity and a love for knowledge in primary school children through fun and dynamic educational videos.

Discover the fascinating world of science with videos on Dinosaurs, the Solar System, Invertebrate Animals, Arachnids and much more. Travel back in time with history videos covering Prehistory, the Discovery of America or Ancient Egypt. Learn geography with content about The Earth and Its Movements, the Water Cycle and Parts of the Earth. Strengthen math skills with videos on Multiplication, Subtraction and Matter and Its Properties, and improve Spanish language understanding with lessons on Nouns, Sentences and Subject and Predicate.

Happy Learning transforms education into an exciting experience through animated videos, clear explanations and interactive activities. Perfect for children, parents and teachers seeking high-quality educational content.
🌟 Join our community of explorers!

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Govt to bring in AI tools in teaching: What is the plan, how it will work | Ankit Agrawal Study IQ

In this video, we explore a groundbreaking shift in the Indian education system as the Government prepares to integrate AI tools into teaching. We analyze the official plan, the technology behind it, and how it will be implemented across schools and colleges in India.

This analysis by Ankit Agrawal is essential for UPSC aspirants, educators, students, and tech enthusiasts to stay updated on the latest policy changes in India.

If you found this analysis helpful, please Like, Share, and Subscribe to StudyIQ for more in-depth current affairs!

UPSC IAS Live GS P2I Foundation 2027 Pratigya February Morning Hindi Batch
बैच 26 फरवरी 2026 से शुरू हो रहा है | बैच का समय सुबह 8:00 बजे
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In this video, we will teach you all about conjunctions.

We hope you are enjoying our large selection of engaging core & elective K-12 learning videos. New videos are added all the time - make sure you come back often to learn more! If you'd like us to cover any additional topics, please let us know.

For practice, assessment, and many interactive activities that go along with each video, as well as a teacher/parent dashboard, go to Miacademy.co for Grades K-8 or Miaprep.com for grades 9-12!

Which Careers Are Most At Risk from AI Impact

Artificial intelligence is reshaping the global labor market, with white-collar workers, especially those with higher education, facing the highest risk of job displacement.

Routine and structured tasks in administration, customer service, translation, and content production are most vulnerable, while roles requiring empathy, creativity, or physical skill, such as doctors, teachers, and electricians, remain relatively protected.

By 2026, AI is expected to handle up to 75% of customer service interactions, while 40% of the global workforce will need reskilling. Governments and companies must prioritize training and social protection to prevent widening labor and social inequality.

CHAPTERS:
0:12 Safest Jobs
0:37 AI-Proof Careers
1:05 Jobs AI Cannot Replace
1:49 Future-Proof Jobs
2:26 Tech Job Market
3:01 AI and Employment
3:44 Most Secure Careers
4:22 Jobs Safe from Automation
4:59 Jobs Safe from Automation 2025
5:18 Artificial Intelligence Impact
6:57 Stable Tech Careers

Produced by: Samantha Harvey
Edited by: Jacob Smith
Animation: Charlotte Brown
Additional Footage: Getty Images

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