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Sea otters along California's central coast that habitually use rocks to crack open snails and mussels show measurably less tooth damage than otters that bite prey directly, a difference biologists documented across years of tracking 196 radio-tagged animals at Monterey Bay and four other sites
44+ min ago (1180+ words) A 2024 study in Science tracking 196 radio-tagged southern sea otters in Monterey Bay found that individuals who reliably use stone anvils to crack shellfish suffer measurably less tooth damage than otters that bite prey directly — a difference that keeps them alive…...
Tardigrades pulled from Antarctic moss can survive a decade without water, temperatures near absolute zero, and a 10-day exposure to the open vacuum of space in 2007, curling into a dehydrated husk they call a tun until conditions improve
3+ week, 1+ day ago (1385+ words) In September 2007, roughly 3,000 tardigrades rode the exterior of the European FOTON-M3 capsule through ten days of open vacuum and unfiltered solar radiation. Sixty-eight percent survived, rehydrated, and laid viable eggs — the first animals ever confirmed to live through direct exposure…...
How does a soft-bodied ocean animal with no bones and no central command run its eight limbs semi-independently, keeping roughly two-thirds of its half-billion neurons out in the arms themselves?
3+ week, 6+ day ago (903+ words) About two-thirds of an octopus's roughly 500 million neurons sit in its arms, not its brain. A 2025 University of Chicago study in Nature Communications explains why: each axial nerve cord is segmented like a corrugated pipe, with local circuits controlling sucker…...
How does a single family of dam-building rodents, reintroduced to a drought-cracked valley, raise the water table by close to a metre and store more carbon in the resulting wetland than an equivalent area of forest?
1+ mon, 1+ week ago (1246+ words) A single family of beavers reintroduced to a Devon valley raised the water table by more than a metre within a decade and locked carbon into pond sediments faster per hectare than the surrounding oak woods. The mechanism is stepped…...
A tiny jellyfish called Turritopsis dohrnii can revert its adult cells back to a juvenile polyp when injured or starving, effectively restarting its life cycle and making it one of the only known animals with no fixed lifespan
1+ mon, 1+ week ago (1062+ words) The tiny Mediterranean jellyfish Turritopsis dohrnii can reverse its own life cycle — dissolving its adult body and reassembling as a juvenile polyp when injured or starving. A look at the biology of the only known animal that can, in principle,…...