Science in telegram

The portrait of George Washington on the one dollar bill is taken from the unfinished “Portrait from the Ateneum”. In this painting, Washington is 65 years old. It can be seen that the artist did not finish the portrait,…

In ancient China, pillows were made from different materials. They took wood, bamboo and even jade, bronze and porcelain. It was believed that a jade pillow makes a person smarter. Hard pillows were preferred precisely b…