Which pianist was deaf?

Which pianist was deaf?

Beethoven moved to Vienna in 1792 and began studying with Haydn, quickly gaining a reputation as a virtuoso pianist. He lived in Vienna until his death. In about 1800 his hearing began to deteriorate, and by the last decade of his life he was almost totally deaf.

How many moons does Mars have?

Mars has two moons, Phobos and Deimos, which are thought to be captured asteroids. Both satellites were discovered in 1877 by Asaph Hall and are named after the characters Phobos (panic/fear) and Deimos (terror/dread) who, in Greek mythology, accompanied their father Ares, god of war, into battle.

When was the first leap year?

The first leap year. The first leap year in the modern sense was 1752, when 11 days were ‘lost’ from the month September with the adoption of the Gregorian calendar by Britain and her colonies.

Who first proposed the theory of evolution by natural selection?

In the early 19th century, Jean-Baptiste Lamarck proposed his theory of the transmutation of species, the first fully formed theory of evolution. In 1858, Charles Darwin and Alfred Russel Wallace published a new evolutionary theory that was explained in detail in Darwin’s On the Origin of Species (1859).

How many pairs of ribs does a horse have?

Normally, there are 18 pairs of ribs in the horse, but a nineteenth rib on one side or both is not considered all that rare. Eight pairs of ribs are known as true ribs. They join the segments of the sternum or breastbone. The other 10 are known as floating ribs–merely overlapping and being attached to each other.

Do dogs get cavities in their teeth?

Pets, like their human owners, can get cavities. However, cavities are relatively rare in dogs because dogs’ diets generally are not high in decay-causing sugars. Veterinary dental experts have noticed a mild rise in the incidence of cavities among dogs fed sugary treats.

Do panda bears have one thumb per hand or two thumbs per hand?

The giant panda also has an opposable thumb. Giant pandas have a thumb pad on the hand. The panda can press this pad against the pad of its palm. This thumb pad is used by the panda to grasp bamboo shoots.

What type of cloud is a tornado formed in?

Most tornadoes form beneath the cumulonimbus clouds of thunderstorms, quite often the large, long-lasting thunderstorms called supercells. Cumulonimbus clouds can be very tall, having bases in the lower troposphere and strong updrafts that carry moisture into middle and upper levels of the troposphere.