Life
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AnimalsCatching ‘Dory’ fish can poison entire coral reef ecosystems
More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.
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EarthFighting big farm pollution with a tiny plant
Fertilizer runoff can fuel the growth of toxic algae nearby lakes. A teen decided to harness a tiny plant to sop up that fertilizer.
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LifeScientists Say: Exocytosis
For a cell to remove something large from inside itself, it turns to a process called exocytosis.
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BrainTeen drinking may damage ability to cope with stress
Teens are often tempted to drink alcohol. Drinking too much — and repeatedly — can hurt their ability to manage stress, a study in rats indicates.
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AnimalsWhy some frogs can survive killer fungal disease
A disease is wiping out amphibian species around the globe. New research shows how some frogs develop immunity.
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AnimalsUh oh! Baby fish prefer plastic to real food
Given a choice, baby fish will eat plastic microbeads instead of real food. That plastic stunts their growth and makes them easier prey for predators.
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AnimalsThe shocking electric eel!
Electric eels are fascinating animals. Their powerful zaps can act like a radar system, trick fish into revealing their location and then freeze their prey’s movements.
By Roberta Kwok -
ChemistryIdentifying ancient trees from their amber
A Swedish teen’s analyses of a sample of amber may have uncovered a previously unknown type of ancient tree.
By Sid Perkins -
PlantsNew species of terrifying tomato appears to bleed
A new species of Australian bush tomato bleeds when injured and turns bony in old age.
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AnimalsEating toxic algae makes plankton speedy swimmers
After slurping up harmful algae, copepods swim fast and straight — making them easy prey for hungry predators.
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LifeScientists Say: Endocytosis
Small molecules can go into a cell through receptors or even just dissolve into it. But something big? That requires endocytosis.
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BrainMapping word meanings in the brain
A detailed new map shows that people comprehend words by using regions across the brain, not just in one dedicated language center.
By Meghan Rosen