Search Results for: Fish
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8,119 results for: Fish
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Animals
Beaked whales may evade killer whales by silently diving in sync
To slip past predators, beaked whales appear to synchronize their deep dives, staying silent while not hunting and ascending far from where they dove.
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Ecosystems
Moonlight shapes how some animals move, grow and even sing
The moon’s light influences lion prey behavior, dung beetle navigation, fish growth, mass migrations and birdsong.
By Erin Wayman -
Environment
A year long expedition spotlights night life in the Arctic winter
Scientists anchored to an ice floe near the North Pole are investigating how life survives polar night and what changes will occur as the Arctic continues to warm.
By Shannon Hall -
Animals
Humpback whales in the South Atlantic have recovered from near-extinction
A new count shows the population off Brazil went from about 450 in the 1950s to some 25,000 today.
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Animals
Tiny structures in dragonfish teeth turn them into invisible daggers
The teeth of deep-sea dragonfish are transparent because of nanoscale crystals and rods that let light pass through without being scattered.
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Earth
Only a third of Earth’s longest rivers still run free
Mapping millions of kilometers of waterways shows that just 37 percent of rivers longer than 1,000 kilometers remain unchained by human activities.
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Climate
How the Arctic’s poor health affects everyday life
A new NOAA report features testimony from indigenous communities in Alaska who are weathering the impacts of Arctic warming.
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Tech
Tiny magnetic coils could help break down microplastic pollution
Carbon nanotubes designed to release plastic-eroding chemicals could clear the long-lasting trash from waterways.
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Life
Aye-ayes just got weirder with the discovery of a tiny, sixth ‘finger’
Aye-ayes have a sixth “finger,” or pseudothumb, that may compensate for other, overspecialized fingers by helping the lemurs grip things.
By Sofie Bates -
Paleontology
This ancient dinosaur was no bigger than a hummingbird
The skull of one of these Mesozoic Era birds — the tiniest yet known — was discovered encased in a chunk of amber originally found in Myanmar.
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Health & Medicine
What we know — and don’t know — about a new virus causing pneumonia in China
A newfound coronavirus is behind a mysterious outbreak of pneumonia in central China. Experts urge vigilance but say there’s no cause for panic.
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Paleontology
New fossils may capture the minutes after the dinosaur-killing asteroid impact
North Dakota fossils may depict the aftermath of the dinosaur-killing asteroid, but controversial claims about the breadth of the find are unproven.