Earth
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EarthExperiment: Weather and climate in your neighborhood
In this experiment, use historical weather data to investigate how weather and climate conditions have changed in your area over time.
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AnimalsPolar bears leave thousands of tons of food scraps for other species
The new finding quantifies how much of polar bears' food goes uneaten. As these bears decline, Arctic scavengers risk losing a critical food source.
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ClimateGlobal coral die-offs signal Earth’s first climate tipping point
The corals offer a dire warning, scientists say, and suggests that more such catastrophic points of no return could occur soon — some within a decade.
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TechLet’s learn about lab-grown meat
Lab-grown meat may still be several years away from your local grocery. But such alternatives to farmed or free-range meats are on their way.
By Carly Kay -
EarthScientists Say: Van Allen belts
Astronomers have detected these radiation belts around Earth and beyond. Jupiter’s belt is thousands of times as intense as Earth’s.
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EarthScientists Say: Supermoon
This supersized lunar event occurs when a full moon or new moon coincides with the moon’s perigee — the point where it is the closest to Earth.
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EarthThese ultra-long experiments outlive their scientists — on purpose
To study phenomena that unfold over decades or even centuries, scientists may launch projects they may never see finished.
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AnimalsParrotfish shape the future of coral reefs, one bite at a time
Could these colorful fish aid struggling coral? Yes, but not always. Parrotfish play a complex role in reefs — and sometimes may cause harm.
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FossilsBaby pterosaurs likely died in violent Jurassic storms
Two hatchlings with broken arm bones point to ancient storms as the cause of mass casualties now preserved in Germany’s Solnhofen Limestone.
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EarthCities across the world are sinking. Here’s how they might rebound
Affected coastal cities tend to flood more often — a growing threat in this era of continuing sea level rise.
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PhysicsScientists Say: Infrasound
“Listening” for changes in these deep rumblings can allow scientists to predict earthquakes and other geological events.