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Marine mystery solved: How anemonefish avoid stings from their sea anemone hosts

The clownfish-anemone living arrangement is one of the most widely recognized examples of symbiosis. Researchers have made a breakthrough in understanding how anemonefish can live safely among sea anemones without being stung by their venomous tentacles, solving a century-long mystery. Scientists have discovered that anemonefish have evolved to maintain very...

A Pair of Hearts

Frozen Lake Saint Clair in the North American Great Lakes system and the briny Salinas Las Barrancas in Argentina have little in common—save for their heart-like shapes. 

Dessert stomach emerges in the brain

Who hasn't been there? The big meal is over, you're full, but the craving for sweets remains. Researchers have now discovered that what we call the 'dessert stomach' is rooted in the brain. The same nerve cells that make us feel full after a meal are also responsible for our...