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Biosphere 2 was built to test whether eight people could survive completely sealed off from the rest of Earth for two years — but inside its glass walls, cockroaches and stowaway ants boomed while most of the birds and pollinators died.
1+ hour, 24+ min ago (412+ words) When scientists sealed eight people inside a artificial Earth, they discovered that the creatures they didn't want thrived while the ones they needed to survive mysteriously vanished....
We tend to think complex planning is a primate specialty, but a 2017 study found ravens outplanned chimpanzees, orangutans and bonobos at a trading task.
5+ hour, 24+ min ago (496+ words) A raven's brain is walnut-sized, yet these birds outthink our closest relatives at planning for future rewards....
An octopus was filmed carrying two halves of a coconut shell across the seafloor to reassemble them later as a portable suit of armour, one of the only clear cases of a wild invertebrate using tools.
7+ hour, 31+ min ago (20+ words) The eight-armed engineers of the ocean floor may be more clever than we thought—this one just invented mobile shelter....
Elephants in Kenya can distinguish between the voices of two local groups, reacting with fear to Maasai men, who have historically speared them, and staying calmer around Kamba voices — evidence that they are not just hearing humans, but learning which humans are dangerous
8+ hour, 11+ min ago (620+ words) Elephants don't just hear humans—they remember which ones hunt them, and adjust their survival strategy accordingly. Published August 20, 2026 · How we edit A hidden loudspeaker in Amboseli National Park says, in Maa, “Look, look over there, a group of elephants…...
Some spiders have no ears at all, but researchers found their webs can pick up sound the way an eardrum does, meaning the spider effectively turns its own web into a giant external ear.
9+ hour, 26+ min ago (135+ words) A spider's web does the job of an eardrum, letting the arachnid sense vibrations in air without ears of its own....
Octopuses are technically colourblind — their eyes only have one type of light-sensing cell — and yet they can match the colour beneath them in under a second, which researchers think is because their skin can sense colour directly
18+ hour, 56+ min ago (233+ words) A creature that cannot see color has mastered the art of vanishing in milliseconds, suggesting evolution found an entirely different solution to the problem of camouflage....
Mosquitoes bite some people far more than others, and it has nothing to do with sweet blood — one research team traced it to the oily film on our skin, where certain fatty acids help create body odour
2+ day, 51+ min ago (249+ words) Your skin's chemical signature, not its sugar content, determines whether mosquitoes find you irresistible....
Vampire bats will regurgitate blood to save a starving roost-mate, even one they are not related to — then remember who helped them before, in a system of animal reciprocity that looks less like instinct than a tiny favour economy
2+ day, 9+ hour ago (170+ words) In the vampire bat economy, generosity today becomes a debt claim for tomorrow—a tiny bloodsucking society where memory matters as much as hunger....
RNA is supposed to fall apart within hours, yet researchers have now read it from a mammoth frozen in Siberian permafrost 39,000 years ago — and the transcripts caught his muscle tissue in the middle of a stress response
3+ day, 10+ hour ago (25+ words) RNA is the molecule biologists generally treat as disposable. Unlike DNA, which is built to be a stable long-term archive, RNA is manufactured, used, and...
Dolphins on opposite sides of Australia, thousands of kilometres apart, appear to have independently learned to chase fish into empty seashells and tip the trapped meal into their mouths — two populations, one remarkably similar invention.
3+ day, 18+ hour ago (1160+ words) The first published shelling records from eastern Australia suggest dolphins reinvented a rare tool-using tactic already known from Shark Bay, then began passing it on locally. By Life Signs · Edited by Lachlan Brown Published August 17, 2026 · How we edit Almost 4,000 kilometres…...