249 results
249 results for: Octopus
- Paleontology
The ‘oldest fossil octopus’ is probably another animal
In 2000, researchers thought they found the oldest fossil octopus, which lived over 300 million years ago. But it may just be a half-rotten nautilus.
- Animals
Giant, kraken-like octopuses may have ruled the Cretaceous deep
Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest invertebrates ever.
- Animals
Octopus arms are adaptable but some are favored for particular jobs
Octopuses are ambidextrous, a new study finds, but they favor their front arms for investigating surroundings and their back arms for locomotion.
- Science & Society
This new year, maybe resolve to quit
Western cultural stories tend to emphasize perseverance. But science shows that knowing when to quit has a place in our success too.
- Life
Smithsonian secrets most likely to blow your mind
Millions of objects stashed at a site open only to select visitors tell the history of Earth's inhabitants.
- Animals
Animals experience joy. Scientists want to measure it
Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure positive feelings — and it’s a challenge.
- Health & Medicine
Can you actually die of a broken heart?
Death by heartbreak doesn't just happen in stories. In real life, severe stress can cause the sometimes-fatal takotsubo syndrome.
- Animals
To tell a right-trunked elephant from a lefty, check the wrinkles
Elephant trunks, more sci-fi face-tentacle than ho-hum mammal nose, are getting new scrutiny as researchers explore how the wrinkles grow.
- Life
Remote seamounts in the southeast Pacific may be home to 20 new species
A recent expedition to the intersection of two undersea mountain chains has revealed a new seamount and a rich world of deep-sea biodiversity.
- Paleontology
This spiky fossil shows what early mollusks looked like
The fossil, plus 17 others from more than 500 million years ago, reveal that early mollusks were slug-like creatures with prickly armor.
- Animals
This fish has legs — and it uses them for more than just walking
Some sea robins have taste buds on their six crablike legs that help the fish ferret out prey buried in sand as they walk.
- Animals
RNA editing helps octopuses cope with the cold
California two-spot octopuses tweak the proteins they make, potentially to help maintain brain function when temperatures dip.
