Planet Visionaries – Ep 14: Grégoire Courtine & Jocelyne Bloch on…

Why It Doesn't Work

• The thumbnail is cluttered with too much text, making it hard to read quickly.
• The text largely repeats the video title, missing an opportunity to add intrigue.
• The scientists' faces are too small and lack clear, engaging expressions.
• The overall image is dark and lacks visual contrast to grab attention.
• The composition is visually unbalanced, with heavy text on the left and small figures on the right.