American Museum of Natural History
OLogy
Choose an OLogy
OLogy means
"the science of"
"the science of"
Clams can live
as long as 150 years.
as long as 150 years.
The average lightning bolt
is only an inch long.
is only an inch long.
The average meteor
is no larger than a
grain of sand.
is no larger than a
grain of sand.
The Earth is 100 million
years older than the moon.
years older than the moon.
Jellyfish are more
than 95% water.
than 95% water.
Jellies have been
on the Earth for over
650 million years.
on the Earth for over
650 million years.
There are 31,557,600
seconds in a year.
seconds in a year.
Brain cells are
the only human cells
which don't reproduce.
the only human cells
which don't reproduce.
One light-year is
about 6 trillion miles.
about 6 trillion miles.
A brown bear can run
faster than a horse
at full gallop.
faster than a horse
at full gallop.
Bears don't hibernate
in caves, they like to use
logs or hollow stumps.
in caves, they like to use
logs or hollow stumps.
Eagles can't hunt
when it's raining.
when it's raining.
In ancient Egypt only
pharaohs were allowed
to eat mushrooms.
pharaohs were allowed
to eat mushrooms.
The world's smallest bat
species has a wingspan
of about three inches.
species has a wingspan
of about three inches.
Horses don't breathe
through their mouths.
through their mouths.
The official insect of the
state of Pennsylvania
is the firefly.
state of Pennsylvania
is the firefly.
The last letter added to the
English alphabet was the
letter 'J', around the 1600s.
English alphabet was the
letter 'J', around the 1600s.
In the last 100 years the
world's oceans have risen
an average of six inches.
world's oceans have risen
an average of six inches.
There are nearly 1 million
words in the English language.
words in the English language.
At Old English weddings,
guests threw shoes
at the groom.
guests threw shoes
at the groom.
The German language only
has around 185,000 words.
has around 185,000 words.
French has less than
100,000 words.
100,000 words.
It is impossible to snore
while sleeping in the
weightlessness of space.
while sleeping in the
weightlessness of space.
Fish actually cough.
Snakes can get malaria.
Earthworms have
five hearts.
five hearts.
On average a mosquito
has 47 teeth.
has 47 teeth.
Scorpions fluoresce,
or glow, under
ultraviolet light.
or glow, under
ultraviolet light.
Leeches can slurp up
more than five times
their body weight in blood.
more than five times
their body weight in blood.
The world's largest bat
species has a wingspan
of up to six feet.
species has a wingspan
of up to six feet.
Highlights
A Closer Look at Mars Find out what we know about Mars in this online tour of Earth's closest neighbor.
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