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What percentage of the ocean remains unexplored by humans?
About 30%
Around 50%
Over 80%
The bit with the scary fish
How long does it take for light from the sun to reach Earth?
24 hours
1 hour
8 minutes
Long enough to get a tan
Which organ in the human body can regenerate itself?
The one you never use
The liver
The brain
The heart
How many bones are babies born with compared to adults?
More bones — around 270
Fewer — around 150
Just the one big wobbly one
The same — 206
What is the fastest thing in the universe?
Light
A cheetah
Your teacher walking to the staffroom
Sound
How much of your life will the average person spend asleep?
About half
About a quarter
About a third
Not enough apparently
Which planet rains diamonds?
Neptune
Venus
The one we can't afford to visit
Mars
How many languages are spoken in the world today?
Around 2000
Too many for one Google Translate tab
Around 7000
Around 500
What is the most spoken language in the world by total speakers?
English
Spanish
Emoji
Mandarin Chinese
How long can a human survive without water?
Around 10 days
Around 3 days
Around 3 weeks
Depends on the Wi-Fi situation
What percentage of your DNA do you share with a banana?
Enough to feel personally offended
About 90%
About 60%
About 10%
How many hearts does an octopus have?
3
1
2
Enough to break yours
What is the most common element in the universe?
Disappointment
Oxygen
Carbon
Hydrogen
How long is a day on Venus compared to a year on Venus?
A year is longer than a day
They are exactly the same
A day is longer than a year
Venus doesn't believe in time
How many steps does the average person walk in a lifetime?
Around 1 billion
Around 100 million
Not enough according to my parents
Around 10 million
What is the strongest muscle in the human body relative to its size?
The heart
The bicep
The one you pull at the gym
The tongue
