Macro video of gold ink as it dries

The coin in nitric acid

When did oncology appear?

One of the most actively developing areas of medicine to this day.
The main reason everyone knows is the search for more and more effective treatments for malignant tumors.

The first mentions of cancer are found in the papyrus of Edwin Smith, a medical text from ancient Egypt that dates back to the 16th century BC☝🏻
The first attempts at surgery were made around the same time period.

But, of course, all of them were not too successful until the middle of the 19th century - the invention of anesthesia.

A reconstruction of Jamestown Fort, the foundation towards the establishment of the first permanent English settlement in the Americas, USA

▫️ Can electric cars be considered luxury goods?

Interesting U.S. statistics about the average selling price of new cars: the average car sold in June 2022 in the U.S. cost $48,000. The average premium car was $74,000, and the average electric car was almost $67,000. It is clear that these categories partially overlap, but in general - electric cars are still far away from the mass market and its prices (a compact crossover on average costs almost half as much as an electric car)

Also specifically for our market, it is very funny and sad to translate these prices into rubles. The average luxury car in the U.S. costs 4.5 million rubles - as a Chinese crossover Exeed TXL in our country in a good configuration. It's probably not a bad car either, but it's clearly not luxury. The average crossover costs about 2 million rubles - this is about the same as the main taxi-car of all Russia Hyundai Solaris (also in a good configuration). And for 26 thousand dollars (an average compact car) it is possible to buy excep

Homeless woman lived in a man's closet for a year. A Japanese man who was mystified when food kept disappearing from his kitchen, set up a hidden camera and found an unknown woman living secretly in his closet.

Traffic in Oxford Street, London c1905 and 2014.

A thylacine or 'Tasmanian tiger' in captivity, circa 1930. The last thylacine died in captivity in 1936.

Ottoman Empire armor belonging to Sultan Mustafa III -18th century. Topkapi Palace, Istanbul,Turkey.

One of the engineers assembled his own exoskeleton, just look at this technology 😮

a man from Canada has set a new world record.
He moved the plane weighing 150 tons, more than 8 meters

A Jacana carrying its babies under its wings

Former slave named Gordon shows his whipping scars. Baton Rouge, Louisiana, 1863