Animals
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Life
Why otters ‘juggle’ rocks is still a mystery
Shuffling pebbles really fast looks as if it should boost otters’ dexterity, but a new study didn’t find a link.
By Susan Milius -
Animals
Pug-nosed tree frogs use an auditory trick to evade predators and woo mates
A new study finds that some tree frogs exploit what’s known as the precedence effect to get females attention safely.
By Pratik Pawar -
Animals
Why mammals like elephants and armadillos might get drunk easily
Differences in a gene for breaking down alcohol could help explain which mammals get tipsy.
By Susan Milius -
Animals
Here’s why a hero shrew has the sturdiest spine of any mammal
The hero shrew’s rigid backbone is among the weirdest mammal spines, its incredible strength aided by fortified vertebrae bones.
By Jake Buehler -
Animals
Earthy funk lures tiny creatures to eat and spread bacterial spores
Genes that cue spore growth also kick up a scent that draws in springtails.
By Susan Milius -
Animals
The ‘insect apocalypse’ is more complicated than it sounds
Freshwater arthropods trended upward, while terrestrial ones declined. But the study’s decades of data are spotty.
By Susan Milius -
Paleontology
The first frog fossil from Antarctica has been found
An ancient amphibian from Antarctica gives new insight into when the continent got so cold.
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Animals
Insects’ extreme farming methods offer us lessons to learn and oddities to avoid
Insects invented agriculture long before humans did. Can we learn anything from them?
By Susan Milius -
Life
Toxin-producing bacteria can make this newt deadly
Bacteria living on the skin of some rough-skinned newts produce tetrodotoxin, a paralytic chemical also found in pufferfish.
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Animals
Dancing peacock spiders turned an arachnophobe into an arachnologist
Just 22, Joseph Schubert has described 12 of 86 peacock spider species. One with a blue and yellow abdomen is named after Van Gogh’s Starry Night.
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Animals
Cold War nuclear test residue offers a clue to whale sharks’ ages
One unexpected legacy of the Cold War: Chemical traces of atomic bomb tests are helping scientists figure out whale shark ages.
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Animals
Seabirds may find food at sea by flying in a massive, kilometers-wide arc
Radar shows that seabird groups can fly together in giant “rake” formations. If they are cooperating to find food, it’s on a scale not yet seen in the birds.
By Jake Buehler