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Health & MedicineExplainer: Taste and flavor are not the same
What’s behind a food’s flavor? More than what we taste, it turns out.
By Lela Nargi -
LifeBird poop helps keep coral reefs healthy, but rats are interfering
Eradicating invasive rats from islands may help boost numbers of seabirds. The birds’ droppings provide nutrients to nearby coral reefs.
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MicrobesFinding living Martians just got a bit more believable
What might a real Martian look like? Scientists have a better idea after identifying a buried liquid lake on the Red Planet.
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EarthKilauea’s volcanic fireworks show no signs of stopping
Watch some of the most striking videos and images of the ongoing eruption’s strange, fiery beauty.
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AnimalsElectric currents in the air may cue ‘ballooning’ spiders on when to take off
Some spider species float on the breeze using a parachute of silk. A new study suggests electrical charges in the air help spiders time these flights.
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BrainScientists Say: Ventral striatum
The ventral striatum is an area of the brain that plays an important role in mood, learning and addiction. It has a lot of dopamine, a chemical messenger.
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AnimalsHere’s how a clam can hide within a rock
Old boring clam research has been upended after 82 years.
By Susan Milius -
PhysicsMars appears to have a lake of liquid water
A 15-year-old Mars orbiter has spotted signs of a salty lake beneath the Red Planet’s southern polar ice sheets.
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AnimalsToxic toads pose threat to Madagascar’s predators
The Asian common toad, an invasive species in Madagascar, produces a chemical in its skin that’s probably toxic to most of the island’s predators.
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EarthAfter erupting, one volcano sings a unique ‘song’
After a strong eruption in 2015, one Ecuadoran volcano “rang like a bell.”
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AnimalsAn Asian, self-cloning tick threatens U.S. livestock
The longhorned tick spreads human diseases in its East Asian homeland. Now it’s invaded the United States. There, it has threatened mostly livestock — so far, anyway.
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PlanetsThick atmosphere boosts how fast Venus spins
The thick atmosphere on Venus can change by a few minutes every day how long it takes the planet to rotate.