Search Results for: Fish

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8,093 results
  1. Neuroscience

    Here’s how magnetic fields shape desert ants’ brains

    Exposure to a tweaked magnetic field scrambled desert ants’ efforts to learn where home is — and affected neuron connections in a key part of the brain.

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  2. Animals

    Why some hammerhead sharks seem to ‘hold their breath’ during dives

    Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.

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  3. Animals

    These transparent fish turn rainbow with white light. Now, we know why

    Repeated structures in the ghost catfish’s muscles separate white light that passes through their bodies into different wavelengths.

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  4. Readers discuss swimming sperm, a fishing fox and more

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  5. Climate

    Nature’s changing colors makes climate change visible

    The world’s color palette is shifting in response to climate change. Seeing these changes in nature firsthand is a powerful communication tool.

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  6. Life

    This is the first egg-laying amphibian found to feed its babies ‘milk’

    Similar to mammals, these ringed caecilians make a nutrient-rich milk-like fluid to feed their mewling hatchlings up to six times a day.

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  7. Life

    Here’s how poison dart frogs safely hoard toxins in their skin

    A protein found in frog bodies may help the amphibians collect and transport toxins from their food to their skin for chemical defense.

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  8. Life

    Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity

    A new estimate of microbial life living in Pacific reefs is similar to global counts, suggesting many more microbes call Earth home than thought.

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  9. Animals

    This marine biologist is on a mission to save endangered rays

    Jessica Pate and the Florida Manta Project confirm that endangered mantas are mating and sicklefin devils are migrating along the East Coast.

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  10. Animals

    Fish can recognize themselves in photos, further evidence they may be self-aware

    Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.

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  11. Animals

    The Sonoran Desert toad can alter your mind — it’s not the only animal

    Their psychedelic and other potentially mind-bending compounds didn't evolve to give people a trip.

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  12. Health & Medicine

    A gel cocktail uses the body’s sugars to ‘grow’ electrodes in living fish

    A chemical reaction with the body’s own sugars turned a gel cocktail into a conducting material inside zebrafish brains, hearts and tail fins.

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