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Researchers discover 'bright spots' where coral reefs are thriving

5 startling facts about sea stars

The trees lining California's roads are worth $1 billion a year

Birds are wicked smart, despite their small brains

5 surprising facts about orcas

5 types of waterfalls you never knew existed

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Photo blog

How to celebrate Midsummer like a real Swede

Why we should be fighting for the 'Galapagos of North America'

Dogs vs. sprinklers: The ultimate summertime showdown

How chameleons use ultra-sticky saliva to nab their prey

Milky Way pops against White Sands' swirling sandstorms

The ultimate solstice viewing spot is in the middle of the Utah desert

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Photo galleries

10 amazing images of Jupiter

9 of the worst viruses on Earth

10 facts to change the way you think about donkeys

Hairy Houdinis: 11 animal escape artists

How to identify 10 common butterfly species

8 lakes and rivers that are drying up

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