SciShow Courses

The 6 Deadliest Mushrooms - Toxic Fungi and Their Effects

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Explore the world's six deadliest mushrooms, from morels to webcaps. Learn about their toxic properties, effects, and how to identify these dangerous fungi in nature.

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

How to Save the World from Plastic

Explores microplastics' origins and solutions for ocean pollution, tracing a water bottle's journey to the Great Pacific Garbage Patch and discussing ways to address plastic waste.

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

The Future of Telescopes - From Giant Ground-Based Arrays to Space-Based Observatories

Explore the future of astronomy with innovative telescope designs, from massive ground-based observatories to space-based instruments, revolutionizing our view of the universe.

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

Everything We've Learned About Cancer - A Comprehensive Overview

Comprehensive exploration of cancer, covering testing, treatment, causes, and prevention, inspired by personal experience and presented through multiple scientific angles.

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

Ancient Roman Shipwreck and the Universe - Connecting Archaeology and Astrophysics

Explore the intriguing connection between an ancient Roman shipwreck and cutting-edge particle physics experiments, unraveling mysteries of the universe and our past.

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

The Biggest Things in the Universe - A SciShow Compilation

Explore the universe's largest phenomena, from giant crystals to massive comets, in this captivating compilation of scientific wonders and natural marvels.

• YouTube
• 1 hour 6 minutes
• On-Demand
• Free Video

The Universe Has a Memory - Gravitational Waves and Gravitational Memory

Explore gravitational memory, a fascinating concept that suggests the universe retains information about past events through subtle changes in spacetime, expanding our understanding of cosmic phenomena.

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

That Time Our Ancestors Almost Went Extinct - The Near Extinction of Homo Erectus

Explores evidence suggesting Homo erectus population dropped to around 1,000 individuals nearly a million years ago, examining our ancestors' brush with extinction and its implications for human evolution.

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

6 of the World's Weirdest Trees

Explore six extraordinary trees, from the psychedelic rainbow eucalyptus to the fruit-bearing jabuticaba, showcasing nature's diverse and unusual botanical wonders.

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

6 Inventions That Are Older Than You Think

Explore six surprising inventions with ancient origins, from steam engines to biometric security, challenging common assumptions about technological progress and innovation.

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

The World's Biggest Fusion Reactor Doesn't Do Anything - ITER Tokamak Challenges

Exploring ITER's tokamak: the world's largest fusion reactor, its timeline, and why it may not revolutionize green energy as expected. Discusses challenges in fusion technology.

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

For mRNA Vaccines, COVID Was Just the Beginning

Exploring mRNA vaccines' potential beyond COVID-19, including applications for flu, rabies, and cancer. Highlights their revolutionary impact and future possibilities in medical science.

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

What is a Fish? - A Conversation with Marine Biologist Jaida Elcock

Marine biologist Jaida Elcock joins Hank Green to explore fish biology, covering gills, coral reefs, Greenland sharks, and bioluminescence in this engaging SciShow episode.

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

Do We Have to Die? The Science of Aging and Life Extension

Explore the science of aging, its causes, and potential treatments for extending human lifespan. Discover the ethical implications and current research in radical life extension.

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

Six-Foot Long Millipedes and Other Fossil Giants

Explore fascinating extinct giant animals like six-foot millipedes, massive apes, and oversized kangaroos. Learn about their unique features, extinction causes, and how humans impacted their fate.

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