| Task ID | min_k | Domain | Metaphor |
|---|
| 6 | 1 | biology | A leaning cell membrane stiffens as cytoskeletal filaments anchor its trailing edge |
| 35 | 1 | biology | Lone cells floating in a dark medium each emit a hormone that claims surrounding tissue. Each cell's signal spreads h... |
| 45 | 1 | astronomy | Lone stars and binary pairs lack the gravitational pull to resist the green nebula's expansion. Only star clusters of... |
| 47 | 2 | astronomy | Fragments of a shattered constellation drift through the void, each still gravitationally tethered to the nearest dea... |
| 58 | 4 | astronomy | A constellation is mirrored across the sky along the axis where a single star type forms an unbroken meridian |
| 85 | 2 | mythology | The Tower of Babel twists as the gods confuse it — its base stands firm, but each course of bricks above wobbles in d... |
| 100 | 1 | | Finding the one bird that stayed with its flock while all others scattered in a storm. |
| 136 | 2 | ocean/sailing | Signal flags on a fleet of masts — the tide carries each flag's color one mast starboard while the current drags each... |
| 141 | 2 | biology | In a petri dish, colonies of different bacterial strains compete for dominance. The species census determines their p... |
| 151 | 3 | biology | Three nerve endings in the brain stem sense distant organs and grow axons toward them, branching laterally upon arriv... |
| 194 | 2 | biology | A membrane separates two colonies of cells. Only the mutations unique to one side survive the selection pressure. |
| 207 | 3 | astronomy | An astronomer surveys a patch of sky crowded with small nebulae. Each nebula has a distinctive emission pattern, but ... |
| 218 | 1 | biology | A nucleus undergoes chromatic inversion while the cytoplasm pushes pseudopods outward along the body axes, each limb ... |
| 223 | 2 | astronomy | Stars strung along a filament collapse under gravity and accrete into a conical nebula at the galactic floor. |
| 227 | 1 | dance | Colored ribbon dancers forming concentric squares by ribbon length |
| 229 | 1 | biology | A cell membrane encloses precious organelles while free-floating proteins drift in the cytoplasm around it. |
| 236 | 1 | biology | A cell's membrane shears under directional stress, its base rooted to the substrate while its upper structures lean a... |
| 245 | 2 | astronomy | A binary star system spirals apart through tidal interaction—the hotter upper star drifts toward galactic left while ... |
| 251 | 2 | electronics | A red LED sits at the center of a small circuit board while green capacitors are soldered in one corner cluster. When... |
| 262 | 2 | ocean/sailing | Each colored fleet sails in a rectangular convoy with one azure buoy anchored at a corner — marking the heading. The ... |
| 270 | 1 | biology | A green nucleus pulses at the heart of the cell, and a red organelle undergoes mitotic division — splitting into iden... |
| 280 | 1 | | A compass rose casts reflections of a traveler into every cardinal shadow. |
| 290 | 1 | astronomy | Two nebulae drift through the same region of space — wherever either cloud has matter, the overlap glows with new sta... |
| 292 | 1 | biology | A nerve impulse races along an axon until it hits a membrane barrier, then rebounds along a mirror-image pathway. |
| 319 | 1 | biology | Cells in a petri dish compete for territory; the most abundant organism claims the outer membrane, while rarer specie... |
| 322 | 3 | astronomy | A nebula drifts toward the accretion disk and settles against it, while a shock front forms on its outer boundary. |
| 349 | 2 | biology | A single cell divides with increasing vigor — each generation larger than the last — until it reaches its peak vitali... |
| 363 | 1 | biology | A cell's membrane encloses its cytoplasm: the organelles cluster at both ends while the interior fills with the cell'... |
| 386 | 3 | astronomy | A fragment of a nebula is caught in a gravitational lens that projects its light in four symmetric images around the ... |
| 387 | 1 | ocean/sailing | Two currents of different temperatures converge in a narrow strait — the warm current claims most of the channel, but... |
| 398 | 2 | astronomy | Three nebulae drift through the same region of space. The magenta emission nebula burns hottest and outshines anythin... |
| 400 | 3 | biology | A cell membrane dissolves, but its proteins are redistributed along the rows where the chromosome's active genes glow... |
| 408 | 2 | music | An orchestra warms up in cacophony, but four tuning forks hidden at the edges of the concert hall resonate at the sam... |
| 416 | 2 | biology | A cell biologist examines a tissue sample under the microscope. The diversity of cell types determines whether the or... |
| 417 | 1 | ocean/sailing | A damaged sail with a torn corner lets the wind through, and the escaping gust drives a wake of foam diagonally acros... |
| 418 | 3 | biology | A cellular biologist stains tissue samples under a microscope, applying different fluorescent dyes depending on how m... |
| 422 | 1 | astronomy | A nebula's luminous shell glows azure where stellar winds compress its outer gas, but the hollow core remains a pocke... |
| 430 | 2 | biology | Certain enzymes along a chromosome express themselves differently depending on their type, sending protein chains of ... |
| 433 | 2 | biology | Spores drift downward through the air until they encounter a nutrient-rich membrane, where they germinate and send br... |
| 441 | 2 | biology | A cell divides at the junction of two membranes, and each generation of daughter cells forms a new wall around the la... |
| 443 | 2 | biology | A yellow enzyme with a chirality marker catalyzes the mitosis of an azure cell, budding its mirror-image daughter to ... |
| 444 | 2 | biology | A fertilized egg undergoes mitotic division, each daughter cell cluster preserving the original four-tissue arrangeme... |
| 449 | 2 | biology | A membrane separates living tissue from decay — below it, cells multiply to fill every gap; above it, necrosis claims... |
| 454 | 1 | biology | A cell undergoes mitotic division, but each daughter inherits the mother's memory at a different angle of the spindle... |
| 460 | 2 | biology | A single stem cell divides along two axes, and the daughter cells inherit different gene expressions depending on whi... |
| 461 | 3 | biology | Cells in a tissue matrix absorb the dominant signal from their surrounding membrane receptors. |
| 467 | 1 | biology | A cell nucleus sends out tendrils of cytoplasm, each filament stretching toward the membrane wall along the path firs... |
| 488 | 1 | biology | A single spore settles one layer deeper into the tissue, and from where it was, hyphae streak upward through every ot... |
| 496 | 3 | mythology | A sacred grove where green and blue standing stones hold ancient enchantments. The unmarked earth between them either... |
| 500 | 1 | electronics | Five capacitors on a circuit board each discharge during different clock cycles. The engineer redesigns the layout so... |
| 532 | 2 | mythology | A sacred glyph is inscribed on the first face of a trinity stone. The second face receives the glyph as the sun god w... |
| 535 | 2 | ocean/sailing | Across a dark sea, several ice floes drift independently — vast blue platforms with red buoys frozen into them markin... |
| 536 | 2 | | A signet stamp presses its own seal wherever its ink touches. |
| 539 | 1 | weather | A mountain range stands firm while raindrops are scattered across the valley. A storm cell anchors itself in the corn... |
| 543 | 2 | biology | In a petri dish teeming with competing colonies, the species that outgrows all others leaves its signature protein fo... |
| 561 | 2 | ocean/sailing | Two coral reefs—one green with algae, one blue with sponges—guard a lagoon's floor. Only where both reefs have sandy ... |
| 584 | 2 | biology | A nerve impulse travels from one synapse to another — it races straight along the axon where the myelin sheath is thi... |
| 596 | 2 | electronics | A signal pattern is loaded into the lowest registers of a shift buffer; the clock pulses it upward through the empty ... |
| 598 | 2 | biology | Two tissues share a membrane. Red antibodies within each tissue detect the foreign neighbor and migrate to the far wa... |
| 602 | 2 | biology | A strand of DNA unzips along its backbone, and the exposed nucleotide sequence is transcribed repeatedly by ribosomes... |
| 611 | 1 | biology | A tissue sample under the microscope reveals colonies of pigmented cells separated by connective membranes. The patho... |
| 648 | 1 | biology | Cells in a petri dish carry genetic markers. When a cell finds its twin across the body's axis of symmetry, their sha... |
| 652 | 1 | | Azure is a disease — too much infection and the host body is condemned. |
| 655 | 4 | biology | A nerve impulse finds the longest unobstructed axon through tangled tissue. |
| 659 | 3 | weather | A meteorologist studies a sunset-orange sky where storms of five different types have left scattered cloud formations... |
| 660 | 1 | astronomy | A newborn star ignites in a dark nebula, and shells of ionized gas expand outward — each successive shell glows with ... |
| 674 | 2 | electronics | Two ICs sit on a dark circuit board — one marked blue, one red. Orange capacitors are soldered at various points alon... |
| 696 | 1 | ocean/sailing | Cargo crates buoyed upward by the air pockets sealed inside |
| 705 | 2 | sports | Two rugby players charge down the same lane, each diving into a spread-eagle tackle just before they meet, arms flung... |
| 706 | 2 | ocean/sailing | A flare tossed against the hull of a ghost ship illuminates every plank in its color, and the flare sinks beneath the... |
| 718 | 1 | electronics | Components on a circuit board demand larger footprints when the bill of materials lists more unique part types — as i... |
| 724 | 3 | biology | A colony of golden cells stretches across three tissue layers. The central artery pulses strongest, and at regular in... |
| 731 | 1 | | A lock only turns when the right key fits perfectly into its grooves. |
| 733 | 3 | astronomy | Two galaxies on a collision course — their scattered stars merge into a single compact cluster, and every position th... |
| 740 | 3 | | A corner fortress wall collapses inward, leaving rubble layers and a crack running through the foundation. |
| 741 | 3 | biology | Cell membranes exchange their protein coats during mitotic inversion |
| 784 | 1 | biology | Genes express only when both parents carry the trait — recessive alleles in flanking cells activate the dormant center. |
| 786 | 1 | astronomy | A constellation is glimpsed through a small telescope aperture. Pull back, and the universe reveals that pattern repe... |
| 792 | 3 | biology | Two strands of DNA, one coding for cold pigment and one for warm, are spliced together across a membrane. Wherever ei... |
| 798 | 3 | geology | Three mineral veins are compressed into one stratum, and the hardest crystal wins each pocket in the rock. |
| 806 | 1 | biology | Spores released from scattered fungi drift on a gentle southeast wind, each one depositing copies of itself as it flo... |
| 813 | 2 | biology | Twin enzymes activate along a membrane, inverting the polarity of every protein caught between their binding sites. |
| 815 | 1 | biology | Each blue cell is a living organism that undergoes mitosis, budding off four differentiated daughter cells into its i... |
| 817 | 1 | biology | A strand of DNA where certain nucleotides fluoresce under UV light, but only those that fall on the same breathing rh... |
| 818 | 1 | astronomy | The green binary star burns at the center of the void. Planets orbiting in its ecliptic planes blaze tidal tails of t... |
| 819 | 3 | biology | Cells of a single species colonize the petri dish in unpredictable clusters, but every species folds into the same ge... |
| 872 | 1 | electronics | An electron bouncing between the plates of a vertical capacitor |
| 875 | 1 | | A wanted poster leads bounty hunters to fence in the fugitive. |
| 893 | 3 | biology | Among the petri dishes, the colony with the most aggressive infection is isolated for study |
| 898 | 1 | astronomy | A constellation whose outer stars undergo gravitational lensing, each appearing twice in the sky, while the central s... |
| 910 | 3 | electronics | Registers in a shift chain pass their bit patterns one position left on each clock pulse. Read the output after the n... |
| 916 | 1 | sports | Grey relay teams snake across a darkened track, each team passing batons among its own runners but never to another t... |
| 921 | 2 | biology | Four strains of bacteria colonize a petri dish divided by nutrient barriers. When the barriers dissolve, they compete... |
| 931 | 3 | mythology | Four gods paint their colors across a shared canvas, but divine rank determines whose mark endures. |
| 939 | 4 | biology | A enzyme reads the folding pattern of a receptor protein and activates a pigment gene, dyeing a nearby cell cluster i... |
| 941 | 1 | biology | Three antibodies are displayed on a membrane above a petri dish. Each antibody binds only to colonies of its matching... |
| 965 | 1 | astronomy | A few colored stars ignite in an otherwise dark sky. Each star's gravitational pull compresses its entire meridian in... |
| 966 | 1 | cooking | A cookie cutter is shaped by the dough left around a cherry pressed into its center; wherever drops of jam land on th... |
| 971 | 1 | biology | A cell colony where the dominant species overwhelms the culture dish, but the researcher only cares about the rare mu... |
| 977 | 1 | dance | A choreographer fills an empty rectangle on the dance floor by extending the repeating formation that every other dan... |
| 982 | 2 | biology | A cell undergoes mitosis along its diagonal axis, and wherever chromosomes face each other across the cytoplasm, a ba... |
| 983 | 2 | biology | Two enzyme markers bind to the membrane wall, triggering mitosis in reverse — the cell cleaves along the marked axis,... |
| 987 | 3 | astronomy | The larger nebula's shell ionizes to the wavelength of the scattered pulsars, while the smaller nebula drifts beyond ... |
| 995 | 2 | biology | A strand of DNA unzips and migrates across an electrophoresis gel, its colored nucleotides drifting at an angle throu... |