
Earth
Let’s learn about the carbon cycle
The total amount of carbon on Earth doesn’t change. But what form those carbon atoms take is constantly changing.
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The total amount of carbon on Earth doesn’t change. But what form those carbon atoms take is constantly changing.
Video shows narwhals using their tusks to prod — even flip — fish they don’t target as prey. It’s the first reported evidence of these whales playing.
The two-step water treatment process could cut not only excreted drugs flowing into waterways but also some nutrients that feed harmful algal blooms.
Bold engineering projects might stabilize Thwaites Glacier and slow sea level rise. But no one knows if they will work — or have serious side effects.
The gases released by earthquakes might occasionally ignite, triggering ghostly lights sometimes witnessed in South Carolina.
In fantasy, trees can walk, climb and even fight. Real trees move, too. It just happens in extreme slow mo.
Data from millions of phones helped fill in maps of the ionosphere, an atmospheric layer that can muddle radio signals key for navigation systems.
We don't see it, but rare gamma-ray lightning can bolt from stormy skies like regular lightning.
A teen researcher investigated bowhead whales and found their migrations may be responding to a changing sea current.
Thanks to climate change, thawing permafrost in the Canadian Arctic has revealed this glacier remnant that could be more than a million years old.