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Tech
High-tech solar ‘leaves’ create green fuels from the sun
Chemists make a liquid alternative to fossil fuels from carbon dioxide, water and the sun. Their trick? They use a new type of artificial leaf.
By Laura Allen -
Earth
Canada’s Crawford Lake seems to mark when the Anthropocene began
Mud at the bottom of this lake holds a record showing how humanity has been changing our planet. But the Anthropocene isn’t an official new epoch yet.
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Tech
New thermal ‘cloak’ keeps spaces from getting too hot or too cold
A prototype fabric could help keep cars, buildings and other spaces cooler during heat waves while also reducing greenhouse-gas emissions.
By Skyler Ware -
Oceans
How would a mermaid sound underwater?
Human ears don’t work well in the water. A mermaid would need marine creature features to talk to and understand her aquatic friends.
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Animals
Megalodons may have become megahunters by running hot
O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.
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Earth
A volcanic eruption sparked the highest lightning ever seen
The eruption plume spawned lightning that started 20 to 30 kilometers (some 12 to 19 miles) above sea level.
By Skyler Ware -
Earth
Scientists Say: Tectonic Plate
Tectonic plates are giant slabs of rock that make up Earth’s outer layer.
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Materials Science
This house is partly made of recycled diapers
After being washed, dried, sanitized and shredded, used diapers were mixed with other materials to make a strong concrete.
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Physics
Explainer: What is chaos theory?
Chaos can help scientists explore subjects from climate change to human brains. Learn about the theory behind this field of science.
By Sarah Wells -
Animals
Scientists Say: Coral
Over 4,000 species of fish make their home among the reefs created by these colony-dwelling marine animals.
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Climate
Explainer: What is an atmospheric river?
These long-traveling storm systems bring moisture to many parts of the world. Here’s what scientists are learning about them.
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Climate
For greener toilets and air conditioning, consider saltwater
Using saltwater would allow coastal cities to save their freshwater for drinking and to reduce their carbon footprints. Some could save money, too.
By Laura Allen