SciShow Courses

How Fake Artifacts Fooled the World's Best Museums

Uncover how sophisticated forgeries deceived prestigious museums through four fascinating cases of archaeological deception, from Etruscan statues to Stone Age tools.

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

The End of Lab Rats - Alternatives to Animal Testing in Medical Research

Explore the future of medical research as science moves beyond century-old lab rat testing toward innovative alternatives like organs-on-chips and computer simulations.

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

A Video About Digging a Hole - Compilation

Explore how scientists and engineers use digging to uncover Earth's secrets, study ancient civilizations, and extract resources in this fascinating compilation.

• YouTube
• 1 hour 1 minute
• On-Demand
• Free Video

Do These 7 Supplements Actually Work?

Explore the science behind 7 popular supplements like ashwagandha, valerian root, and vitamin D to discover which ones are actually worth your money based on research evidence.

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

Why the Appalachians Contain Some of the Oldest Fossils on Earth

Discover how the Appalachian Mountains preserve Earth's oldest fossils through a billion-year geological story of continental collisions and ancient life forms.

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

The Artificial Sweetener That's Actually Good For You

Discover how xylitol, unlike other artificial sweeteners, offers surprising health benefits beyond just replacing sugar while being safe for humans but dangerous for dogs.

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

The Last Person Standing In Nuclear War

Explore the science behind nuclear explosion survival, examining how proximity and personal factors influence who would be the last person standing if everyone were equidistant from a bomb.

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

When Did Humans ACTUALLY Get to the Americas?

Explore the scientific debate about human arrival in the Americas, examining controversial evidence like the Cerutti Mastodon that suggests earlier timelines and possibly different hominin species preceding humans on the continent.

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

You Do Not Need 10,000 Steps a Day

Uncover the science behind popular exercise myths including the 10,000 steps rule, ice baths, stretching, and heat therapy to optimize your fitness routine with evidence-based insights.

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

5 Ancient Artifacts Scientists Still Can't Explain

Uncover five mysterious archaeological artifacts that continue to baffle scientists, from Roman dodecahedrons to buried heads, exploring unsolved ancient puzzles.

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

Why Did These Ancient People Abandon Copper?

Discover why Native Americans in ancient Michigan abandoned advanced copper metalworking despite mastering the technology millennia before other cultures developed similar skills.

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

Cold Doesn't Exist - And 4 Other Things Scientists Used to Think Were Real

Discover 5 fascinating scientific theories that were once accepted but later proven wrong, from caloric theory to the mysterious Planet Nemesis.

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

6 Ways Aliens Could Find Us

Explore six fascinating methods extraterrestrial life could use to detect humanity's presence in the cosmos, from intentional signals to accidental broadcasts.

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

The Pandemic Made People Worse Drivers

Discover how COVID-19 lockdowns affected driving skills, exercise habits, social media behavior, neighborly interactions, and self-care practices based on scientific data.

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

Why Don't We Have More Fossils?

Discover the unlikely journey from ancient organism to museum display and the factors that determine fossilization odds in this exploration of paleontological preservation.

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