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What percentage of the ocean remains unexplored by humans?
Around 50%
About 30%
The bit with the scary fish
Over 80%
How long does it take for light from the sun to reach Earth?
1 hour
Long enough to get a tan
24 hours
8 minutes
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?
The same — 206
Just the one big wobbly one
Fewer — around 150
More bones — around 270
What is the fastest thing in the universe?
Light
Sound
A cheetah
Your teacher walking to the staffroom
How much of your life will the average person spend asleep?
About a third
Not enough apparently
About a quarter
About half
Which planet rains diamonds?
Neptune
Mars
The one we can't afford to visit
Venus
How many languages are spoken in the world today?
Around 500
Too many for one Google Translate tab
Around 7000
Around 2000
What is the most spoken language in the world by total speakers?
Spanish
Emoji
Mandarin Chinese
English
How long can a human survive without water?
Depends on the Wi-Fi situation
Around 3 days
Around 10 days
Around 3 weeks
What percentage of your DNA do you share with a banana?
About 60%
About 90%
Enough to feel personally offended
About 10%
How many hearts does an octopus have?
3
Enough to break yours
1
2
What is the most common element in the universe?
Oxygen
Carbon
Hydrogen
Disappointment
How long is a day on Venus compared to a year on Venus?
Venus doesn't believe in time
They are exactly the same
A day is longer than a year
A year is longer than a day
How many steps does the average person walk in a lifetime?
Around 1 billion
Around 100 million
Around 10 million
Not enough according to my parents
What is the strongest muscle in the human body relative to its size?
The heart
The tongue
The bicep
The one you pull at the gym
