When was the first leap year?

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.

What kind of animal is a platypus?

The platypus (Ornithorhynchus anatinus) also known as the duck-billed platypus is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth.

What igneous rock can float on water?

Pumice is composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock.

When did Adolph Rickenbacker invent the electric guitar?

The company was founded in 1931 as the Ro-Pat-In Corporation (ElectRo-Patent-Instruments) by Adolph Rickenbacher and George Beauchamp in order to sell electric Hawaiian guitars. These instruments had been designed by Beauchamp, assisted at the National String Instrument Corporation by Paul Barth and Harry Watson.

What fears are we born with?

It is a common misconception, as people are born with only two fears – of falling and of loud noises. These two fears are incorporated in the human DNA and have become a mechanism for survival which is passed to new generations.

How many peanuts does it take to make a 12 ounce jar of peanut butter?

It takes about 540 peanuts to make a 12-ounce jar of peanut butter. There are enough peanuts in one acre to make 30,000 peanut butter sandwiches. Find out how peanuts grow.

How much does the Earth weigh?

The earth weighs approximately 6,588,000,000,000,000,000,000,000 tons.

Do evergreen trees lose their leaves?

Deciduous trees shed their leaves usually as an adaptation to a cold or dry season. Most tropical rainforest plants are evergreens, replacing their leaves gradually throughout the year as the leaves age and fall, whereas species growing in seasonally arid climates may be either evergreen or deciduous.