Public Posts

Scientific diagram of arteries, veins, and capillaries. Also shows cross-sectional area differences.

Kelvinsong, CC BY-SA 3.0, via Wikimedia Commons. View source.

Hellenic pond turtle (Emys orbicularis hellenica), Butrint Archaeological Park, Albania.

Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons. View source.

Detail view of a crane in the harbour, Waterfront, Cape Town, Western Cape, South Africa.

Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons. View source.

Legend of the Holy Ermite by an unknown artist of the Cologne School of Painting depicts the life of Anthony the Great, one of the Desert Fathers known as the Father of All Monks. Today is his feast day in most of Christianity.

Meister der Heiligen Sippe der Ältere, Public domain, via Wikimedia Commons. View source.

Focus stacked image (composed of 59 frames) of a trilobite of the species Austerops speculator found in Jebel Oufatene, Morocco. It lived in the early Devonian period and is approximately 400 million years old. The length of the fossil is about 3 centimetres (1.2 in).

Diego Delso, CC BY-SA 4.0, via Wikimedia Commons. View source.

Cluster of Breath roots (pneumatophores) of a Taxodium distichum at the water's edge. Focus stack of 4 photos.

Dominicus Johannes Bergsma, CC BY-SA 4.0, via Wikimedia Commons. View source.

Mute swan (Cygnus olor) at Lake Geneva during the golden hour of sunset.

Giles Laurent, CC BY-SA 4.0, via Wikimedia Commons. View source.

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Heavy snowfall brought by Storm Filomena hit Spain in January 2021, and persisted on the ground for many days across much of the country, as this Copernicus Sentinel-3 satellite image shows.

European Space Agency, Attribution, via Wikimedia Commons. View source.

Olive-bellied sunbird (Cinnyris chloropygius) starting to fly at Kibale National Park, Uganda.

Giles Laurent, CC BY-SA 4.0, via Wikimedia Commons. View source.

Sninský kameň, Vihorlatské vrchy in the winter, frost on trees.

Milan Bališin, CC BY-SA 4.0, via Wikimedia Commons. View source.

Kapelle St. Martin-Caplutta Sogn Martin. Breil-Brigels. Wooden main door of the chapel. (Detail).

Agnes Monkelbaan, CC BY-SA 4.0, via Wikimedia Commons. View source.