All Stories
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PhysicsHere’s why blueberries aren’t blue — but appear to be
Blueberries actually have dark red pigments — no blue ones — in their skin. Tiny structures in the fruits’ waxy coat are what make them seem blue.
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Science & SocietyScientists Say: Model
Models are representations of real-life systems or processes that we use to ask questions, make predictions and test our knowledge.
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AnimalsHere’s why thousands of octopuses gather at the ‘Octopus Garden’
Underwater cameras and other instruments investigated why so many pearl octopuses gather here to mate and nest.
By Maria Temming and JoAnna Wendel -
LifeBacterial fossils exhibit earliest hints of photosynthesis
Microscopic fossils from Australia suggest that some bacteria evolved structures for oxygen-producing photosynthesis by 1.78 billion years ago.
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MathGeometry can shape our world in unexpected but useful ways
This math, and the geometers who use it, can solve problems from how to stack oranges to designing better vaccines.
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OceansAnalyze This: Climate change may worsen the spread of ocean noise
Some parts of the ocean may become five times as loud in the future.
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SpaceLet’s learn about meteorites
Meteorites are bits of space rock that have crash-landed on Earth — or on another celestial body.
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SpaceScientists Say: Solar Cycle
This roughly 11-year cycle in the sun’s activity can affect space weather that messes with Earthly technology.
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AnimalsPollen-seeking honeybees sometimes turn to theft
Observations of honeybee pollen theft from bumblebees suggest it may be a crime of convenience, based on ease of access to the prized food.
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AnimalsCats play fetch — but only when they feel like it
Most cats that play fetch pick up the behavior on their own, a study finds. And those felines tend to dictate when fetching sessions begin and end.
By Meghan Rosen -
EarthThe weird sky glow called STEVE is really confusing scientists
Researchers are trying to figure out the recipe of atmospheric conditions that creates this aurora-like light show.
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PhysicsPhysics explains what happens when a lawn sprinkler sucks in water
Experiments with a floating sprinkler revealed the surprisingly complex physics behind a simple question.