Is This BS? Claim & Fact Check

Is This BS? is the science fact-checker by Professor Dave Explains, the trusted voice behind 4 million YouTube subscribers and 480 million views.

DAILY DEBUNK CHALLENGE Every day, one viral science claim. Your job: spot the logical fallacy. It takes under two minutes. Build your streak, earn XP, and level up your Science Literacy score. The daily challenge is always free.

AI CLAIM CHECKER Paste any claim, headline, or URL. Professor Dave’s app analyzes it in seconds and tells you whether it’s BS, legitimate science, or somewhere in between. Every result includes:

• A verdict with a confidence score
• The logical fallacies identified
• An evidence-based breakdown
• “How Dave Would Say It” — his signature direct take

FULL FALLACY LIBRARY Learn 15+ logical fallacies with real-world examples and links to Professor Dave’s video breakdowns. From cherry-picking to false cause to conspiracy thinking, know them all.

SHAREABLE VERDICT CARDS Generate a branded result card and share the truth on social media. Show receipts when someone spreads misinformation.

WHY IS THIS BS? Professor Dave Explains has spent a decade teaching science and debunking pseudoscience on YouTube. Is This BS? puts that expertise in your pocket. Whether you’re checking a health claim from a family group chat, a headline on social media, or a conspiracy theory from a coworker, Dave’s AI has your back.

Built for students, skeptics, science enthusiasts, and anyone tired of misinformation. Is This BS? makes critical thinking a daily habit.

Check facts. Spot fallacies. Detect BS.

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