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Coral (Favia favus), Ras Muhammad National Park, Red Sea, Egypt. This species of stony corals is massive and forms thickly encrusting dome-shaped colonial corals. There is a great diversity of form even among the same species. The corallites project slightly above the surface of the coral and each has its own wall. The septa and costae linked to the corallite wall are well developed and covered by fine teeth. The polyps only extend and feed during the night. Each one has a small number of tapering tentacles which often have a darker coloured tip; these are called stinger tentacles, or sweeper tentacles. They use these to sweep the water to see if any other coral is in its area; if so, then they begin to sting the other coral. This is commonly known as coral war. Each coral is trying to make sure it has enough room around it so it can continue to grow and have more surface area for its offspring.

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

A real-life "Rosie the Riveter" operating a hand drill at a Vultee factory in Nashville, working on an A-31 Vengeance dive bomber. Today is Labor Day in the United States.

Alfred T. Palmer, Public domain, via Wikimedia Commons. View source.

No man is an island,
Entire of itself.
Each is a piece of the continent,
A part of the main.
If a clod be washed away by the sea,
Europe is the less.
As well as if a promontory were.
As well as if a manor of thine own
Or of thine friend's were.
Each man's death diminishes me,
For I am involved in mankind.
Therefore, send not to know
For whom the bell tolls,
It tolls for thee.

John Donne, (1572 - 1631), was a leading English poet, scholar, soldier and secretary of the Metaphysical school and dean of St. Paul’s Cathedral, London. Donne is often considered the greatest love poet in the English language. He is also noted for his religious verse and treatises and for his sermons, which rank among the best of the 17th century. Donne was born of Roman Catholic parents when practice of that religion was illegal in England. His poetical works include sonnets, love poems, religious poems, Latin translations, epigrams, elegies, songs and satires. He is also known for his sermons.

Source: Devotions Upon Emergent Occasions, Meditation XVII

Formula 1, Dutch Grand Prix 2024: Carlos Sainz jr (ESP, Scuderia Ferrari). Today is this year's Grand Prix.

Steffen Prößdorf, CC BY-SA 4.0, via Wikimedia Commons. View source.

A caterpillar of the spurge hawk moth (Hyles euphorbiae), photographed in the Scrivia riverbed, in Novi Ligure, Piedmont, Italy. The larvae of this Europiean hawk moth eat the leaves and bracts of the leafy spurge (Euphorbia virgata), which gives the species its common name.

Maurizio Carlini, CC BY-SA 4.0, via Wikimedia Commons. View source.

American chocolates from Rocky Mountain Chocolate Factory.

Wilfredo Rafael Rodriguez Hernandez, CC0, via Wikimedia Commons. View source.

TDK tape head cleaner cassette "HCL-11" made of clear hard plastic. The plastic is birefringent and demonstrates internal stress as coloured patterns (photoelasticity) when photographed using cross-polarisation. Invented by Lou Ottens and his team at the Dutch company Philips, the Compact Cassette was released on this date in August 1963.

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

Children play with bicycle tires among large conical piles of rice at a processing mill in Brahmanbaria, Bangladesh.

Original: Azimronnie Derivative work: Radomianin, CC BY-SA 4.0, via Wikimedia Commons. View source.

View of the old town of Schwäbisch Hall, Germany, seen from the islet Unterwöhrd in the river Kocher.

Roman Eisele, CC BY-SA 4.0, via Wikimedia Commons. View source.

Wildlife photographer in a ghillie suit. Some wild animals are very difficult to approach without disturbing them, which sometimes leads some wildlife photographers to wear a ghillie suit when they go in search of them. By remaining undetected, wildlife photographers can observe animal behaviour that would otherwise not be observable if the animal would have had knowledge of human presence.).

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

Patriotic graffiti in Vinnytsia, Ukraine during the war, 2022.

George Chernilevsky, Public domain, via Wikimedia Commons. View source.

The Qianlong Emperor in Ceremonial Armour on Horseback by Giuseppe Castiglione.

Giuseppe Castiglione, Public domain, via Wikimedia Commons. View source.