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What you have already met.
Every card you have come across lands here with its cartel. Read them again whenever you like — no playing, no timer.
0 of 39 in Sciences
- Mastered — two correct answers in a row
- To revisit — coming back in a few days
- Empty frame — not met yet
- Empty frameMarine arthropod · 450 million years
- Empty frameElement · identified 1868
- Empty frameFeldspar quarry · Sweden
- Empty frameCartilaginous fish · Devonian onwards
- Empty frameVolcano · Mars
- Empty framePlanet · Cassini, 2013
- Empty frameDwarf planet · New Horizons, 2015
- Empty frameSpace telescope · launched 2021
- Empty frameRadio image · 2019
- Empty frameBorehole · 1970–1992
- Empty frameStellar remnant · Crab Nebula
- Empty frameFoodstuff · indefinite shelf life
- Empty frameSpace station · in orbit since 1998
- Empty frameAntibiotic · discovered 1928
- Empty frameCephalopod
- Empty frameFish · photographed 2019
- Empty frameMonotreme
- Empty frameShark
- Empty frameSalamander
- Empty framePortrait · 20th century
- Empty frameChemical element · Hg
- Empty framePortrait · 19th century
- Empty framePortrait · c. 1920s
- Empty frameAtmospheric discharge
- Empty frameMineral · graphite
- Empty frameSpace probe · launched 1977
- Empty frameApollo 11 experiment · 1969
- Empty frameStained glass · 13th century
- Empty frameHuman microbiome · revised 2016
- Empty frameHydrozoan · a few millimetres across
- Empty frameMarsupial · Phascolarctos cinereus
- Empty frameMeteorologist · 1880–1930
- Empty frameLaboratory notebooks · 1890s–1930s
- Empty frameRodent · Heterocephalus glaber
- Empty framePlanet · imaged 2004
- Empty frameComet · photographed 1986
- Empty frameTotal solar eclipse · 1999
- Empty frameMicro-animal · electron micrograph
- Empty frameCetacean