AI News — Tuesday, April 21, 2026

Yelp is making its AI chatbot way more useful

This Scammer Used an AI-Generated MAGA Girl to Grift ‘Super Dumb’ Men

QIMMA قِمّة ⛰: A Quality-First Arabic LLM Leaderboard

Digging for clues about the North Pole’s past

How to Ground a Korean AI Agent in Real Demographics with Synthetic Personas

Anthropic takes $5B from Amazon and pledges $100B in cloud spending in return

A Humanoid Robot Set a Half-Marathon Record in China

Google rolls out Gemini in Chrome in 7 new countries

Silicon Valley has forgotten what normal people want

It’s not just one thing — it’s another thing

Robot runner handily beats humans in half-marathon, setting new record

Deezer says 44% of new music uploads are AI-generated, most streams are fraudulent

Fortnite developers can make AI characters now — just don’t try to date them

NSA spies are reportedly using Anthropic’s Mythos, despite Pentagon feud

Anthropic's Mythos AI model sparks fears of turbocharged hacking

Prego Has a Dinner-Conversation-Recording Device, Capisce?

The Download: murderous ‘mirror’ bacteria, and Chinese workers fighting AI doubles

Tech CEOs Think AI Will Let Them Be Everywhere at Once

Colossal Biosciences said it cloned red wolves. Is it for real?

Chinese tech workers are starting to train their AI doubles–and pushing back

Cloud development platform Vercel was hacked

Satellite and drone images reveal big delays in US data center construction

Optical Fiber Networks Can Keep Rail Networks Safe

Ecom-RLVE: Adaptive Verifiable Environments for E-Commerce Conversational Agents

The PR you would have opened yourself

​Boston Dynamics and Google DeepMind Teach Spot to Reason​

Sarang Gupta Builds AI Systems With Real-World Impact

12 Graphs That Explain the State of AI in 2026