A fruit fly larva's body is covered with a network of photosensing neurons that help it detect and avoid light. The cells glow under a light with the help of a green fluorescent protein.
Dr. Chun Han/University of California, San Francisco
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Dr. Chun Han/University of California, San Francisco
Iraq vet Chris Rader takes an advanced vision test designed to spot hemianopsias and other vision problems. Rader’s hemianopsia prevents him from seeing any of the lights on the left side of the panel.
Amy Standen/KQED
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Dressed in customary black and red funeral clothing, villagers from the Otuam fishing community carry the casket of their late ruler Nana Amuah-Afenyi V, who died two years ago. He is succeeded by his niece, King Peggy, a secretary at the Ghanaian embassy in Washington, who says she had to save up to give her uncle a fitting send-off.
Eric Don-Arthur for NPR
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