Trio Collection (#31)

Electrical circuit. This circuit consists of three light bulbs lit by a 6-volt power supply. The power supply comprises four 1.5-volt batteries connected in series

Mountain gorilla family group
Mountain gorilla (Gorilla beringei beringei) family group, with an infant at lower left. Mountain gorillas are found in cloud forests high on the slopes of the Virunga volcanoes between Rwanda

Polished limestone. Three samples of polished limestone. Limestone is a sedimentary rock that consists mainly of calcium carbonate. The different colours are caused by impurities

Sea floor spreading, artwork
Sea floor spreading. Artwork showing three stages in the process of sea floor spreading. The process takes millions of years and it is the process by which the continents move over the Earth

Blue opal gemstones. This mineral is a form of hydrous silicon oxide (silica, SiO2). It is named after the Indian word for precious stone

Diamonds, computer artwork
Cut and polished diamonds, computer artwork. Diamond is a naturally occurring form of carbon that has crystallised under great pressure

17th Century pressure cookers, artwork
17th Century pressure cookers. Historical artwork showing a three different pressure cookers invented in the 17th Century. Published in 1681

Porcelain mushroom (Oudemansiella mucida)
Porcelain mushrooms (Oudemansiella mucida) growing on a moss-covered branch. This edible fungus is named after its translucent appearance. Photographed in the New Forest, UK, in October

Three-striped owl monkeys (Aotus Trivirgatus) in a tree. Owl, or night, monkeys are the only truly nocturnal monkeys. Photographed in the Amazon rainforest, Peru

Longfin bannerfish (Heniochus acuminatus). Photographed in the Andaman Sea, Thailand

Glycogen units, molecular model. Glycogen is made from many glucose molecules linked by one of two types of glycosidic bonds

Cycad cones. These cones and the leaves are part of an Encephalartos senticosus cycad. Encephalartos is a genus of cycad native to Africa

Male Downs syndrome karyotype, artwork
Male Downs syndrome karyotype, artowrk. The complete set of chromosomes of an organism is known as the karyotype. Humans usually have 46 chromosomes in total, arranged into 23 pairs

18th Century Dutch engraving. Historical print showing three different species of dolphins, from Theatrum Universale Omnium Animalium, Frederik Ruysch (1718)

Sand martins. Three young sand martins (Riparia riparia) at the entrance to their nesting hole in the bank of a sand and gravel quarry. Photographed near the River Ythan, Scotland, UK, in July

Soyuz TMA-14 crew before launch
Space tourist. The Soyuz TMA-14 rocket seen at launch. TMA-14 was launched on 26 March 2009. Cosmonaut Gennady Padalka and astronaut Michael Barratt were the Expedition 19 crew on the International

Natives of New Guinea, 1643
Natives of New Guinea. 17th century artwork of three men from the Bismarck Archipelago, New Guinea, paddling an outrigger canoe

Granulocytes, SEM
Granulocytes. Coloured scanning electron micrograph (SEM) of granulocytes in bone marrow. Granulocytes are a category of white blood cell characterized by the presence of granules in their cytoplasm

Russian Knights aerobatic team
Russian Knights aerobatics team. Here three of the team are performing a split manoeuvre whilst deploying flares. The Russian Knights is an official display team of the Russian Air Force

Poppy (Papaver orientale) flowering in Summer

Jet engines, artwork
Jet engines. Computer artwork comparing the designs of three types of jet engine - the turbojet (top), ramjet (middle) and scramjet (bottom)

Cytoskeleton components, diagram. The cytoskeleton is the internal support structure of a cell, composed of filaments of various diameters in nanometres (nm)

Desert-adapted elephants, adult and calves. These are African elephants (Loxodonta africana) adapted to living in desert areas of Namibia and Angola

Heart valves, artwork
Heart valves. Cutaway artwork of the inside of the heart, showing the various valves. The first two artworks (left and centre) show the atrioventricular valves between the hearts atria (top)

Vorticella protozoa, artwork. This ciliate protozoan (three present here) consists of a bell-shaped head (bottom) and a stalk that is anchored to a substrate (top)

Dandelion seed heads
dandelion

African Black Oystercatchers
Three African Black Oystercatchers (Haematopus maquinii) on rocks by the sea. Photographed on the west coast in South Africa

Burnet moths mating
Burnet moths (Zygaena carniolica) mating. Photographed in Umbria, Italy

Cleaner shrimp

Eye laser therapy, artwork
Eye laser therapy. Artwork showing three stages in laser therapy to correct corneal deformation. The outer layer of the cornea is cut open and a flap (left) pulled back

Blue wildebeest at dawn
Blue wildebeest (Connochaetes taurinus) at dawn. Photographed in the Auob Riverbed Kgalagadi Transfrontier National Park, South Africa

Stegosaurus dinosaurs, artwork
Stegosaurus dinosaurs, computer artwork. Stegosaurs ( roofed reptiles ) were herbivores that lived throughout the world during the Jurassic period, around 150 million years ago

Lunar landscape observations, 1882
The Moon was the main object observed by the early telescope research. And the main questions were - is ther life, and what created the ringed mountains

Tiling rockets, 1930s
Engineer R. Tiling, the Rocket inventor from Osnabrueck, Germany, started three of his aluminium rockets from the Berlin Airport Tempelhof

Common poppy (Papaver rhoeas) flowers and bud. Photographed in the UK

Preparing a love potion, Roman mosaic. Mosaics consist of small pieces of coloured glass or stone, used to form an image or pattern on a floor or wall

Snails eating a flower at night. Common garden snails (Helix aspersa, brown) and a white-lipped snail (Cepaea hortensis, yellow) feeding on a flower of a dahlia (Dahlia sp.) plant

Phyteuma orbiculare
Three flowerheads of Round-headed Rampion (Phyteuma orbiculare), also known as (Phyteuma tenerum), growing in calcareous grassland in Slovenia

Coelophysis dinosaurs, artwork
Coelophysis dinosaurs. Computer artwork of one male and two female Coelophysis dinosaurs in a forest of prehistoric Araucaria evergreens

Grey willow catkins (Salix cinerea). Photographed in April, in Dorset, UK

Psathyrella mushrooms after forest fire
Psathyrella pennata mushrooms growing one year after a forest fire. This fire took place in a clear-felled area in the Tiveden forest, in Vastra Gotaland County, Sweden

Estemmenosuchus, artwork
Estemmenosuchus. Computer artwork of three Estemmenosuchus mirabilis in a Paleozoic lake near the Ural Mountains, in what is now the Perm region of Russia

English oak buds
English oak (Quercus robur) buds breaking open in spring. Photographed in April, in Dorset, UK

Common hazel catkins
Common hazel (Corylus avellana) catkins. Photographed in February, in Dorset, UK

American White Pelicans
Three American White Pelicans (Pelecanus erythrorhynchos), feeding at sunset in Bodega Bay, California, USA

Lambeosaurus, artwork
Lambeosaurus. Computer artwork of a male (right), female (left) and juvenile (middle) Lambeosaurus near a rivers edge in what is now Montana, USA

Desert mesemb (Conicosia elongata) flowers. Photographed in the Namaqua National Park, South Africa

Computer memory chips. RAM (random access memory) chips (grey) on a circuit board from a computer

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"Captivating Trios: A Journey Through Time, Culture, and Nature" Fingerprint Types & 17th Century: Unveiling the unique patterns that define us, fingerprints tell a story of individuality as old as the 17th century. The Supremes: In perfect harmony, Florence Ballard, Mary Wilson, and Diana Ross captivated audiences with their soulful voices as an iconic American vocal trio in the early 1960s. Krakatoa Sunsets Artworks (1883): Brushstrokes capturing the fiery beauty of Krakatoa's volcanic eruptions in stunning artworks from the late 19th century. Japan - Geisha - See No Evil, Hear No Evil, Speak No Evil: Embodying grace and tradition, geishas symbolize wisdom through their timeless depiction of "see no evil, hear no evil, speak no evil. " Bicycle Made For Three - Continental Pneumatic Advert: Pedaling into togetherness with joyous laughter on a bicycle built for three – a whimsical moment captured in a vintage Continental Pneumatic advertisement. Flame Tests & H-He-Hg Emission Spectra C017/7260: Illuminating scientific wonders through flame tests and emission spectra analysis; exploring elements like hydrogen (H), helium (He), and mercury (Hg). Coal Miners: Brave souls delving deep into darkness to fuel our world – coal miners embody resilience and camaraderie within their tight-knit trios underground. Primate Skulls: Examining primate evolution through skulls reveals intriguing similarities and differences among these intelligent creatures who share our planet. Rooster and Hens: Amidst feathers ruffling under golden sunbeams, roosters lead their hens with confidence while forming harmonious trios within barnyard communities. Paris Notre Dame.