Tech 101
From Baby Shark Dance soaring past 16 billion views, to classics like Despacito, Shape of You, and Gangnam Style, the most-viewed songs on YouTube today are a fascinating mix of children’s hits, global pop anthems, and viral phenomena.
nature 101
Clouds form when water vapor rises, cools, and condenses around tiny particles in the air. Billions of droplets gather together, creating the clouds we see — from fluffy white shapes to dark stormy masses.
Human 101
Dimples are caused by a variation in facial muscles that pull the skin inward when you smile. Often inherited, these small indentations are rare and considered attractive in many cultures.
Human 101
Holding your breath too long lowers oxygen and raises carbon dioxide in your blood. This leads to diaphragm spasms, dizziness, and eventually loss of consciousness if pushed too far. Your body’s urge to breathe is actually triggered by CO₂ buildup, not oxygen shortage.
nature 101
Ever wondered why the sky is blue? It’s all thanks to Rayleigh scattering — the way Earth’s atmosphere scatters sunlight. Short wavelengths like blue scatter more than red, so our eyes see a bright blue sky. At sunrise and sunset, the sky turns red and orange because longer wavelengths take over.
Animal 101
Why do flamingos stand on one leg? Discover the science behind this iconic behavior, from conserving heat to reducing muscle fatigue and more.
nature 101
How do clouds form? Discover the science behind cloud formation, from evaporation to condensation, and explore the different types of clouds in our atmosphere.
Human 101
Wondering why some people have dimples? Learn the science behind dimples, their genetic roots, and why they're considered attractive across cultures.
space 101
Discover the top 10 greatest mysteries of the universe, from dark matter and black holes to time travel and the multiverse. Explore the frontiers of space science and what we still don’t understand.
health 101
Explore the world’s most dangerous viruses—from Ebola and HIV to COVID-19. Learn how they spread, why they’re lethal, and what science is doing to fight back.
History 101
Discover how fossils form and why they matter. From ancient bones to trace fossils, learn how these remnants unlock Earth’s evolutionary history and past environments.
Human 101
What happens if you stop sleeping for 30 days? From hallucinations to immune failure, discover how long the human body can survive without rest—and why sleep is absolutely essential.