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Banning Telegram Can’t Stop Paper Leaks: Inside India’s NEET Exam Scandal

India banned Telegram after the NEET paper leak led to a retest for 2.28 million students. Class Central studied the scam, the money trail, and other platforms the leaks could move to.

Manoj Sharma Jul 29, 2026

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Learn the Basics of Causal Inference with R
21 ratings at Codecademy

Learn conceptual foundations and practical techniques for determining causal relationships in data. Master matching, weighting, instrumental variables, and difference-in-differences methods to uncover why things happen.
- Codecademy
- 4 hours
- Self-Paced
- Free Trial Available
The Perfect Gas Law - Atmospheric Pressure, Density, and Temperature
1 rating

Explore the Perfect Gas Law's impact on atmospheric dynamics, including buoyancy, pressure variations, and gas behavior, with applications to weather patterns and environmental phenomena.
- YouTube
- 52 minutes
- Self-Paced
- Free Video
The Logic of Science - Principles of Evolution, Ecology and Behavior
1 rating

Explore the evolution of scientific thought, including falsifiability, revolutions, and creativity. Learn how philosophy influences modern scientific approaches and the boundaries of scientific knowledge.
- YouTube
- 46 minutes
- Self-Paced
- Free Video
Sex Allocation in Evolutionary Biology - Principles of Evolution, Ecology and Behavior
1 rating

Explore sex allocation in organisms, including optimal ratios, hermaphroditism, and offspring sex control. Learn how environmental factors influence reproductive strategies across species.
- YouTube
- 48 minutes
- Self-Paced
- Free Video
Why So Many Species? The Factors Affecting Biodiversity
1 rating

Explore biodiversity from ecological, economic, evolutionary, and personal perspectives, examining its importance, value, and our relationship with nature.
- YouTube
- 48 minutes
- Self-Paced
- Free Video
Cell Culture Engineering - Gene Therapy and Cell Physiology
1 rating

Explore gene therapy, DNA delivery methods, and cell physiology. Learn about tissue types, cell development, and the extracellular matrix in this comprehensive biomedical engineering lecture.
- YouTube
- 53 minutes
- Self-Paced
- Free Video
Supermassive Black Holes and Strong-Field Relativity - Lecture 15
1 rating

Explore supermassive black holes, strong-field relativity, and X-ray binary star systems. Learn how astronomers detect black holes and discover the latest findings in astrophysics.
- YouTube
- 48 minutes
- Self-Paced
- Free Video
Difference in Differences for Causal Inference
21 ratings at Codecademy

Estimate causal effects by analyzing trends over time. Learn to implement Difference in Differences technique, mimic experiments, and solve real-world problems using existing data.
- Codecademy
- 1 hour
- Self-Paced
- Free Trial Available
An introduction to exoplanets
21 ratings at OpenLearn

This free course, An introduction to exoplanets, introduces our galaxy's population of planets, and some of their many surprises. It explains the methods used by astronomers to study exoplanets, ...
- OpenLearn
- 24 hours
- Self-Paced
- Free Certificate
Simplifying Rhapsody Through Profiling and Automation
21 ratings at IBM Training

Discover how to build custom profiles and leverage automation tools to streamline Rhapsody implementation for your organization's specific requirements.
- IBM Training
- 10 hours
- Self-Paced
- Free Online Course
Pilot Lecture: The Developing Brain
21 ratings at The Great Courses Plus

<p>Trace the evolutionary history of humans and how the modern world and its technologies affect how our brains develop.</p>
- The Great Courses Plus
- 35 minutes
- Self-Paced
- Free Trial Available
Solving for Zero: The Search for Climate Innovation
21 ratings at The Great Courses Plus

Explore groundbreaking technologies and innovations aimed at mitigating climate change, from nuclear batteries to hydrogen engines, in this 10-part series based on Bill Gates' book.
- The Great Courses Plus
- 4 hours 49 minutes
- Self-Paced
- Free Trial Available
Global Warming - Understanding Climate Change and the Carbon Cycle
1 rating

Explore the carbon cycle, atmospheric CO2 trends, and their impact on global warming. Learn about carbon reservoirs, greenhouse gas emissions, and climate change over geological time.
- YouTube
- 47 minutes
- Self-Paced
- Free Video
Renewable Energy Sources: Wind, Solar, Biomass, and Geothermal
1 rating

Explore wind, solar, biomass, and geothermal energy sources, their technologies, and applications. Learn about electricity generation methods and the potential of renewable energy in addressing environmental challenges.
- YouTube
- 48 minutes
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Statistics: Histograms
18 ratings at Codecademy

Explore data distribution using histograms. Learn to create, interpret, and describe statistical distributions, focusing on center, shape, spread, and outliers.
- Codecademy
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