Royal Institution on Instagram: "If interplanetary tourism ever becomes a thing, Venus definitely won't be a popular holiday destination. Carl Sagan described why the surface of the planet isn't somewhere you'd ever want to visit. Watch the full 1977 series with Carl Sagan at the 🔗 on our profile: @ri_science 🚀 For even more mind-blowing space facts, don't miss the 2025 Christmas Lectures, supported by @cgi_uk, 28, 29 and 30 December on BBC Four and iPlayer."

The Only Color With No Dark Side #colortheory #painting #funfacts #history #design Colors carry meaning—sometimes uplifting, sometimes negative. Blue is beloved for its association with calm skies and serene waters, but it’s also tied to melancholy (“feeling blue”) and risqué humor (“blue jokes”). Green, the color of life and renewal, carries shadows of envy (“green with envy”), inexperience (“greenhorn”), and even a sickly pallor. Yellow radiates warmth and happiness but turns jaundiced—a name

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