Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Management & Leadership
Language Learning
Python
Divide and Conquer, Sorting and Searching, and Randomized Algorithms
Advanced Precalculus: Geometry, Trigonometry and Exponentials
Becoming a changemaker: Introduction to Social Innovation
Organize and share your learning with Class Central Lists.
View our Lists Showcase
How life arose from non-living matter — prebiotic and abiotic chemistry, the RNA world, protocells, and the last universal common ancestor (LUCA).
Explore historical theories about how life began on Earth, examining key scientific perspectives and evolutionary concepts that shaped our understanding of life's origins.
Explore the unique evolutionary event that led to eukaryotes, examining mitochondrial impact on genome expansion and the role of energy in complex life development.
Explore how quantum physics may explain biological phenomena like bird navigation and the origin of life. Discover the fascinating world of quantum biology and its potential to solve life's mysteries.
Explore how active droplets function in cellular processes and their potential role in understanding life's molecular origins through advanced biological physics.
<p>Get the complete background and professional guidance to explore in depth the fundamental principles of how living things work taught by an award-winning professor at Duke University who has specially adapted his acclaimed introductory biology c…
Discover how rewriting your personal narrative can lead to self-discovery and transformation. Learn three steps to examine, release, and embrace your true self through vulnerability and authenticity.
Explore how active droplets function in cellular processes and their potential role in understanding life's molecular origins through biological physics.
Explore how active droplets function in cellular processes and their potential significance in understanding life's molecular origins through advanced biological physics.
Explore the intersection of physics and biology in the quest to define life, its origins, and potential existence beyond Earth, guided by astrobiologist Sara Walker's innovative perspectives.
Explore the fascinating concept of the universe as a computer simulation with leading experts in digital physics, discussing implications for consciousness, free will, and reality itself.
Explore the fascinating theories and scientific discoveries surrounding the origins of life on Earth, from early misconceptions to modern hypotheses about chemical evolution and the RNA world.
Explore the search for extraterrestrial life with comedian Ben Miller and physicist Jim Al-Khalili, discussing scientific advancements and the possibility of alien intelligence in the universe.
Explores groundbreaking discovery of 'dark oxygen' produced in deep ocean, challenging our understanding of Earth's oxygen cycle and its implications for life origins and marine ecosystems.
Get personalized course recommendations, track subjects and courses with reminders, and more.