SciShow Courses

What's the Loudest Possible Sound?

Explore the science behind the loudest possible sound, understanding decibels, sound wave mechanics, and their impact on human hearing. Uncover surprising facts about extreme noise levels.

• YouTube
• 14 minutes
• On-Demand
• Free Video

We Don't Know What Causes the World's Worst Pain - Exploring Extremely Painful Diseases

Explore the mysteries behind excruciating conditions like trigeminal neuralgia, thunderclap headaches, and jackhammer esophagus. Discover the science of extreme pain and current treatment approaches.

• YouTube
• 12 minutes
• On-Demand
• Free Video

The Thinnest Lens in the World is One Molecule Thick

Explore the fascinating world of zone plates and discover how a molecular-thin lens revolutionizes light manipulation technology, surpassing traditional optical designs.

• YouTube
• 12 minutes
• On-Demand
• Free Video

Should We Build a Geothermal Power Plant in Yellowstone? - A NASA Proposal Analysis

Explore NASA's intriguing proposal to harness Yellowstone's geothermal energy through power plant construction, examining the scientific rationale and potential environmental impacts.

• YouTube
• 11 minutes
• On-Demand
• Free Video

Why Mad Cow Disease Predominantly Affects Teenage Population

Discover why mad cow disease (variant Creutzfeldt-Jakob) predominantly affected teenagers in the 1990s, exploring the scientific research behind this peculiar age-specific pattern of infection.

• YouTube
• 13 minutes
• On-Demand
• Free Video

The Birds That Eat Fire - Extreme Bird Behaviors for Food and Survival

Discover fascinating behaviors of daring birds, from fire-eating species to method-acting killdeer, as they take remarkable risks for food, mating, and survival in their natural habitats.

• YouTube
• 11 minutes
• On-Demand
• Free Video

The Deadliest Stuff on Earth - A Natural Hazards Compilation

Explore fascinating scientific insights into Earth's most lethal phenomena, from devastating plagues and toxic flora to natural disasters and dangerous chemical compounds.

• YouTube
• 1 hour 2 minutes
• On-Demand
• Free Video

Most Remarkable Fossil Discoveries of 2024 - A Scientific Overview

Discover fascinating prehistoric finds from 2024, including a frilled ceratopsian, potentially largest snake fossil, and the "giga goose," plus insights into smaller but equally significant discoveries.

• YouTube
• 14 minutes
• On-Demand
• Free Video

We All Have Synesthesia - Understanding Sensory Interactions in the Brain

Explore the fascinating phenomenon of synesthesia, where senses interconnect, and discover how everyone experiences sensory interactions in unique and unexpected ways.

• YouTube
• 13 minutes
• On-Demand
• Free Video

What Would Happen If We Kept Digging to Earth's Center?

Explore the fascinating journey to Earth's core, from the limits of human drilling to the extreme conditions and geological wonders encountered as we theoretically dig deeper into our planet.

• YouTube
• 16 minutes
• On-Demand
• Free Video

Why Do So Many More Pedestrians Die in America?

Explore the alarming rise in pedestrian fatalities in the US compared to other countries, examining the causes behind this trend and why people outside vehicles are increasingly at risk on American roads.

• YouTube
• 11 minutes
• On-Demand
• Free Video

Einstein Didn't Want People to Study His Brain

Explore the controversial post-mortem study of Einstein's brain and what researchers discovered about the source of his genius despite his wishes against it.

• YouTube
• 15 minutes
• On-Demand
• Free Video

The Meatless Meats of the Future

Explore the latest research on plant-based meat alternatives, including five promising plants that could revolutionize the future of meatless proteins, hosted by Stefan Chin.

• YouTube
• 15 minutes
• On-Demand
• Free Video

This Board Game Is Older Than Stonehenge

Discover the fascinating history of ancient board games like Patolli and Senet, exploring how archaeologists have worked to uncover their original rules and gameplay methods despite missing rulebooks.

• YouTube
• 12 minutes
• On-Demand
• Free Video

A Lost Human Ancestor Is Probably Under This Parking Lot

Discover the fascinating stories of lost fossils and missing human ancestors, exploring what researchers can still learn from these vanished archaeological treasures.

• YouTube
• 15 minutes
• On-Demand
• Free Video