In a laboratory of the School of Biological Sciences at the University of Hong Kong (HKU), Professor Juha Merilä put on a ...

A pair of baby hummingbirds nestled in their nest, aiming minuscule beaks upward in search of food. But their mother was gone — vanished after a tree trimmer in Petaluma accidentally cut down the ...

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Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...