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341/ It takes the Earth exactly
365.24219 days to orbit the Sun - and that is why every four
years we need a leap year.
342/ In 1750 James Watt built
the first steam powered engine.
343/ In 1774 Joseph Priestley
dicovered oxygen and described its role in combustion and
respiration.
344/ It wasn't until 1628
that we realised that our hearts pumped blood right around
our bodies.
345/ The only time the human
population declined was in the years following 1347, the start
of the epidemic of the plague 'Black Death' in Europe.
346/ The first spectacles
were invented in 1280.
347/ 1000 years ago the first
Icelanders discovered North America.
348/ Polar Bears cannot be
detected by infrared cameras, due to their transparent fur.
349/ The longest space flight
by a women lasted a total of 188 days, 4 hours and 14 seconds.
350/ The biggest star has
a diameter of 1800 million miles, making it 2000 times bigger
than the Sun.
351/ Deserts cover one seventh
of the world. The surface of the sand can heat up to an incredible
77 degrees centigrade.
352/ The first alarm clock
was invented 3,500 years ago by the Egyptians; and in 1955
scientists in the UK invented the first atomic clock.
353/ 4,800 years ago the ancient
Egyptians worked out that there were 365 days in a year.
354/ In 1997 Britain suffered
an unprecedented 35 tonadoes.
355/ Young giraffes can grow
an inch a month.
356/ The next total eclipse
visible from the UK mainland will be on the 23rd September
2090.
357/ Desert rats can copulate
122 times an hour.
358/ The average person accidentally
eats 430 bugs each year of their life.
359/ There are more than 1000
chemicals in every cup of coffee.
360/ When a pickle is plugged
into an electric current it turns yellow, and gives off a
horendous smell.
Click on the links below for more great
facts...
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