When was soap invented?

When was soap invented?

The earliest recorded evidence of the production of soap-like materials dates back to around 2800 BC in ancient Babylon. A formula for soap consisting of water, alkali, and cassia oil was written on a Babylonian clay tablet around 2200 BC.

Do penguins fly in the air?

Penguins are birds, so they do have wings. However, the wing structures of penguins are evolved for swimming, rather than flying in the traditional sense. Penguins do “fly” underwater at speeds of up to 15 to 25 miles per hour . As adept swimmers, penguins spend a lot of time in the water.

Who invented the hot dog?

The hot dog traces its lineage to the 15th-century Viennese sausage, or wienerwurst in German. Johann Georghehner, a butcher from the German city of Coburg, in Bavaria, is credited with inventing the “dachshund” or “little dog” sausage in the 17th century, and brought it to Frankfurt.

When did Kerri Strug break her ankle?

Kerri Strug is best-known for one vault: a Yurchenko 1.5 twist she nearly stuck, on an injured ankle, to secure the US team the gold medal at the 1996 Olympics.

How old is Romeo in the play Romeo and Juliet?

It is much more likely that, given his immature responses to problematic events in the play, that he is probably about sixteen or seventeen years old. In William Shakespeare’s Romeo and Juliet, the exact age of Romeo is never explicitly stated. Juliet’s age is 13, and she is almost about to turn 14.

Why are port holes round?

If portholes were designed with angles, this stress would tend to concentrate at those points and perhaps crack the skin. With round portholes such stress is evenly distributed around the holes, making it less likely for such cracks to occur.

What breed of cat is hairless?

While they lack much of the fur of other cat breeds Sphynx cats are not necessarily hypoallergenic. Allergies to cats are triggered by a protein called Fel d1, not cat hair itself. Fel d1 is a tiny and sticky protein primarily found in cat saliva and sebaceous glands.

Are genes located on chromosomes?

In genetics, a locus (plural loci) is the specific location of a gene, DNA sequence, or position on a chromosome. Each chromosome carries many genes; humans’ estimated ‘haploid’ protein coding genes are 20,000-25,000, on the 23 different chromosomes.