Earth
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AnimalsMosquito repellent could pose risks to baby salamanders
Two ingredients in bug repellant — DEET and picaridin — can end up in streams. There, they may hurt salamanders but leave mosquitoes alone, a study finds.
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EarthSoggy cereal gives clues to how rock dams collapse
To find out how ice sheets move and rock dams collapse, two researchers turned the attention to breakfast cereal.
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EcosystemsWelcome to the Arctic’s all-night undersea party
Life teems in the frozen darkness of the Arctic night. But as the ice recedes and people move in, their light pollution may disturb the animals living there.
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EarthA massive crater hides under Greenland’s ice
Radar images point to a crater buried deep under ice in Greenland. Meltwater from the site suggest an asteroid created it. Did this collision trigger a thousand-year global cooling?
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EnvironmentHere’s the science you loved in 2018
When our readers read about science, they want to read about research that hits close to home, like smartphones, chocolate, vaping and more.
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EnvironmentICYMI: 2018’s top science offerings
From gene-edited babies to firenados and lavanados, this year offered both stunning news and curiosities in the world of science and research.
By Janet Raloff -
Health & MedicineWhat makes Aquaman special? He can take a lot of pressure
The new Aquaman movie makes life under the sea look pretty glamorous. In fact, we puny humans probably couldn’t take the pressure.
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OceansThis robotic jellyfish is a climate spy
Scientists have developed a robotic jellyfish to collect data about the ocean. It’s small and nimble, and gentle on marine ecosystems.
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ClimateScientists Say: Rime ice
Rime ice is ice that forms when water freezes in a snap onto a surface.
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EarthCar tires and brakes spew harmful microplastics
Wear and tear on car tires, brakes and roads releases harmful microplastics to the air. These end up polluting waterways and harming fragile ecosystems.
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ClimateCarbon dioxide emissions will hit a record high globally in 2018
CO2 emissions from China, the United States and India all rose in 2018, a new report finds. This is despite urgent calls for nations to cut back on their releases of this greenhouse gas.
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ClimateA wave of change is coming to our planet’s water resources
How will climate change affect you most? Check your kitchen sink.
By Beth Geiger