Page 33 - GK Class 07

28 Extra Ordinary Facts

Green Orange The original oranges from Southeast Asia were a
tangerine-pomelo hybrid and they were actually green. In
fact, oranges in warmer regions like Vietnam and Thailand
still stay green through maturity.

DOG DOCTOR !

Duane Pickel has trained George, a dog to
detect cancer. George was able to detect
Dolphins see with sound. By melanoma — the most dangerous form of
sending out high-frequency skin cancer after a training of 8000 hours.
sounds or clicks and analysing

the returning echoes, a dolphin DOLPHINS
can find prey such as a shoal of TREES TUNNEL
fish. Its echolocation system
also tells the dolphin about the
size, shape and structure of a
target and whether prey is
calm or frightened.

The Wawona tree in California had a tunnel cut through its trunk. The tunnel was 8 metres
long and it had a diameter of 3 metres. It fell in 1969 after surviving for more than 2,000 years.

BABY HAVING BIGGEST STOMACH HUMAN MOUTH

The baby whale drinks lots of milk. It You might be surprised by the amount of
can drink more than 1,000 litres a day — saliva that you’ll produce over the course of
that is enough to fill 2,000 bottles your lifetime. It’s enough to fill two Olympic
approximately ! sized swimming pools.

GK-7 33