CASE FILE 01INVESTIGATION №01
Octopuses can solve puzzles and remember solutions.
What do you think?
Investigations
Choose a case, make your prediction, and follow the evidence all the way to its sources.
33evidence-checked cases
CASE FILE 01
CASE FILE 02INVESTIGATION №02
The Moon is slowly moving away from Earth.
What do you think?
CASE FILE 03INVESTIGATION №03
Lightning begins when electric charge separates inside a storm cloud.
What do you think?
CASE FILE 04INVESTIGATION №04
Ancient builders used sophisticated surveying and lifting methods.
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CASE FILE 05INVESTIGATION №05
Some ocean animals make their own light.
What do you think?
CASE FILE 06INVESTIGATION №06
Robots can estimate emotions, but they cannot read minds.
What do you think?
CASE FILE 07INVESTIGATION №07
Migrating birds use several different navigation clues.
What do you think?
CASE FILE 08INVESTIGATION №08
Scientists know exactly why every dream happens.
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CASE FILE 09INVESTIGATION №09
Archaeologists can detect hidden spaces without opening a wall.
What do you think?
CASE FILE 10INVESTIGATION №10
Water exists beyond Earth.
What do you think?
CASE FILE 11INVESTIGATION №11
A steel ship can float because its average density is lower than water.
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CASE FILE 12INVESTIGATION №12
Viking warriors normally wore horned helmets in battle.
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CASE FILE 13INVESTIGATION №13
Elephants can remember places and individuals for many years.
What do you think?
CASE FILE 14INVESTIGATION №14
Plants can send chemical signals that affect nearby organisms.
What do you think?
CASE FILE 15INVESTIGATION №15
Some deep-sea animals can live for centuries.
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CASE FILE 16INVESTIGATION №16
Ordinary sound cannot travel through a perfect vacuum.
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CASE FILE 17INVESTIGATION №17
Facial-recognition software identifies people with perfect accuracy.
What do you think?
CASE FILE 18INVESTIGATION №18
Archaeologists use several methods to estimate age.
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CASE FILE 19INVESTIGATION №19
A dog’s sense of smell can detect extremely faint chemical traces.
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CASE FILE 20INVESTIGATION №20
An optical illusion proves that your eyes are broken.
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CASE FILE 21INVESTIGATION №21
Glaciers move even though they look solid.
What do you think?
CASE FILE 22INVESTIGATION №22
People used complex codes long before computers.
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CASE FILE 23INVESTIGATION №23
Astronomers have produced images of a black hole’s shadow.
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CASE FILE 24INVESTIGATION №24
Drones can map places that are difficult or dangerous to reach.
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CASE FILE 25INVESTIGATION №25
Whales use patterned sounds to communicate across the ocean.
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CASE FILE 26INVESTIGATION №26
Most volcanic activity on Earth occurs underwater.
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CASE FILE 27INVESTIGATION №27
Some desert stones can move across the ground without people pushing them.
What do you think?
CASE FILE 28INVESTIGATION №28
Some microbes live in environments lethal to humans.
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CASE FILE 29INVESTIGATION №29
Ancient aqueducts could carry water for many kilometres using gravity.
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CASE FILE 30INVESTIGATION №30
Large planets become round because gravity pulls matter toward the centre.
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CASE FILE 31INVESTIGATION №31
Honeybees can indicate the direction of food with a dance.
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CASE FILE 32INVESTIGATION №32
Deleted computer files can sometimes be recovered.
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CASE FILE 33INVESTIGATION №33
Real engineering inspired several inventions in Ridbusters.
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