Directorio de Pandipedia
Un directorio creciente de respuestas útiles seleccionadas por la comunidad de Pandi. Busca en la colección o explora los últimos descubrimientos.
2379 entradas disponibles
Explorar entradas
Mostrando 361–378 de 2379
Respuesta concisaIce can be clear. Why is snow white?
The same frozen water can look like a window or a white blanket. The difference is the route light takes through it. A clear piece of ice has relatively few internal obstacles, so much of the light can pass through. Snow is a col…
Social PostOne glowing tube. Many tiny animals.
That glowing tube is a colony. A pyrosome’s wall contains tiny animals called zooids. Each pumps water and filters food; together they form a drifting, luminous tube. One shape in the sea, many lives inside.
Carrusel compuestoThis bird’s incubator is a compost heap
An incubator built from sand and leaves. Malleefowl use heat from decomposition and the sun, while the male manages the mound. An illustrated natural-history story. This bird’s incubator is a compost heap. The malleefowl builds a…
Respuesta concisaThe creature drilling through this ship is a clam
The name gives you the wrong picture. A naval shipworm, Teredo navalis, is a bivalve: a relative of clams and mussels, with an unusually long body. Its shell has become a tool. Two small, ridged valves at the buried end grind and…
GaleríaThose blue jewels are eyes
A real scallop eye. Olivier Dugornay / IFREMER · CC BY 4.0 https://askpandi.com/media/editorial/scallop-social-review-20261018/f0ba73a2278c4ef1-01-real-scallop-eye.jpg A mirror inside an eye. AI-generated schematic · Simplified,…
Key moments from Sintel's quest to save her dragon
[01:46] The Shaman Warns Sintel of Her Dangerous Hunt [03:26] Sintel Nurses a Baby Dragon Back to Health [04:08] Scales Learns to Fly Before Disaster Strikes [07:24] You Have Only Failed to See [10:20] The Tragic Realization of S…
When a cat and dog try to launch a DIY rocket
[00:22] When Your Overexcited Co-Pilot Shows Up [01:03] Never Let Them Touch the Big Red Button [01:41] When Flight Instruments Give Up Mid-Air [02:22] Mission Accomplished Despite the Crash
Instagram PostA forest that turns with the story
Changeable forest In The Company of Wolves, Furst’s handmade trees rolled to suggest seasons. Their shifting forest makes the dream-world feel unstable. Original editorial reconstruction.
Gemini Ten: Photography on the Climb to Agena Eight
On July nineteenth, nineteen sixty-six, Gemini Ten was climbing toward Agena Eight. The day before, Michael Collins and John Young had docked with Agena Ten. A trajectory correction had left them with only half their planned fuel…
The Marshall study, and what the source does not establish
After November 1964, budget pressure and NASA’s choice to emphasize crewed Earth-orbit missions sharply reduced piloted Mars-study activity. A Marshall Space Flight Center team still examined a Saturn-and-Apollo-based Mars flyby,…
When flowers ran warm
Flowers can run warmer than the surrounding air. Cooke reports a cactus at +3°F and geraniums as much as +6°F. 🌸 Cooke says greater heat was detected in crowded composite flower heads: about +1.5°F in cotton-thistle and +2.4°F i…
GaleríaFarmyard Mothers on Guard
r/HardcoreNature - A wild turkey hen kicking a red-tailed hawk’s ass. A turkey warns her young as a hawk approaches; the 1901 book records the anecdote, not verified modern behavior. https://preview.redd.it/gzgfixsznr181.jpg?widt…
The Lake That Became a Cornfield
Lake Cirknitz, in Illyria, appears in Jane Loudon’s 1848 account as both lake and field. She reports that in early June its water disappears through fissures. Peasants then sow and reap corn on the exposed basin, carrying away th…
Guía visualThe blouse behind a labor uprising
The shirtwaist was a mass-produced blouse linked to the “New Woman.” Immigrant women made it in crowded factories and tenements. 👚 On Nov. 22, 1909, Clara Lemlich called a general strike. The Uprising of the Twenty Thousand last…
Vídeo cortoThe sand is the trap
An antlion larva waits at the bottom of a sandy pit. An ant steps onto the loose slope. As it scrambles, the grains slip beneath its feet. The antlion flicks sand upward, helping trigger more slides. The prey slips toward the jaw…
Vídeo cortoThe hooks holding a feather together
Each branch carries smaller branches called barbules. Tiny hooks link neighbouring barbules. Pull them apart, and the vane opens. Stroke them back together, and the hooks reconnect. Preening helps a bird restore that smooth surfa…
Carrusel compuestoThe microscopic animal that makes its own bricks
Gosse called it Melicerta. This tube-building rotifer gathers particles, forms pellets, and builds a home one tiny unit at a time. A builder in a drop of water. This tiny rotifer makes the pieces of its own home. The current brin…
Carrusel compuestoThe nursery with a food-delivery slot
A female hornbill seals herself into a tree cavity. One narrow slit connects the nursery to the outside world. She seals herself inside. A hornbill turns a tree hollow into a nursery. The entrance gets smaller. The female seals t…