SciShow Courses

Why Your Gluten Intolerance Gets Better on Vacation

Explore why gluten sensitivity may improve when traveling to Europe, examining differences in wheat processing, preparation methods, and other factors that affect digestive responses.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

The Top 5 Problems of the Standard Model

Explore the major flaws in particle physics' best theory, from the mysteriously light Higgs boson to why matter exists at all, plus potential solutions to these cosmic puzzles.

• YouTube
• 18 minutes
• Self-Paced
• Free Video

10 Mysteries We Solved with Archaeology - Compilation

Uncover 10 fascinating ancient mysteries solved through archaeological discoveries, from Viking settlements to lost civilizations and forgotten technologies.

• YouTube
• 1 hour 23 minutes
• Self-Paced
• Free Video

We Were Totally Wrong About Zebra Stripes

Discover the real science behind zebra stripes as modern research finally solves this evolutionary mystery that has puzzled scientists since Darwin's time.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

The Discovery of Bacteria Should Have Been Impossible

Uncover how Antonie van Leeuwenhoek impossibly discovered bacteria with primitive microscopes, defying the optical limits of his era and founding microbiology.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Wooden Cutting Boards Are the Best - Food Safety Science Comparison

Discover why wooden cutting boards outperform plastic alternatives through scientific research on food safety, bacteria resistance, and microplastic concerns.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

What's the Truth about Acetaminophen and Autism?

Explore the controversial link between acetaminophen (Tylenol) and autism, examining major studies, their limitations, and what the research really means for pregnant people.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

The Weird Physics of Turning a Bubble Into a Laser

Explore five fascinating scientific applications of bubbles, from subatomic research to medical imaging and the surprising physics of bubble lasers.

• YouTube
• 18 minutes
• Self-Paced
• Free Video

The Pernkopf Atlas - Medicine's Most Controversial Book

Uncover the dark history behind medicine's most detailed anatomical atlas, created by Nazi illustrators using victims' bodies without consent.

• YouTube
• 57 minutes
• Self-Paced
• Free Video

How Instagram Hacks Your Brain

Uncover the psychological mechanisms behind social media addiction and how platforms like Instagram manipulate brain chemistry to keep users engaged.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

We Still Don't Know Why We Walk on Two Legs

Explore the mystery of human bipedalism through groundbreaking fossil evidence from Ardipithecus ramidus that challenges decades of evolutionary research.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Sir Isaac Newton and the Unfair Reputation of Alchemy

Discover how Sir Isaac Newton's alchemical pursuits reveal the scientific nature of this misunderstood field and its role in understanding the natural world.

• YouTube
• 43 minutes
• Self-Paced
• Free Video

How to Catch a Criminal with Science - Compilation

Explore the fascinating science behind criminal investigations through forensic techniques, evidence analysis, and murder case studies in this engaging compilation.

• YouTube
• 2 hours 4 minutes
• Self-Paced
• Free Video

Nuclear Bombs Made Art Forgery Way Harder

Discover how nuclear bomb testing revolutionized art authentication by creating radioactive signatures that expose modern forgeries of classic paintings.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

The 500-Year-Long Experiment

Discover six of the longest-running scientific experiments in history, including one designed to last 500 years, showcasing the dedication required for groundbreaking research.

• YouTube
• 13 minutes
• Self-Paced
• Free Video