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caribou

Life

Reindeer riddle: How do you tell caribou apart?

Studying indigenous names for the animals may help us clear up a decades-long mix-up over caribou classification and reverse population decline

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pic phone

Technology

Don’t believe the Skype: We never wanted to video call people

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woman doing puzzle

Humans

Holiday brain-off round 4: Demonstrate the wisdom of the ages

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fig artwork

Life

Tree of life: How figs built the world and will help save it

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wax seal 1

Technology

Medieval wax seals are giving up fresh historical secrets

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glassblower 1

Physics

The fragile state of scientific glassblowing

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sky

Space

Were Aboriginal Australians the first astronomers?

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Egypt game

Humans

How the rules of long-lost board games take us inside ancient minds

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family artwork 1

Humans

No more drama: The game theory guide to a happy family holiday

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Humans

Holiday brain-off round 3: Build the Tower of Hanoi

It takes forward planning and logic to conquer this puzzle in the fewest moves possible. Grab some coins or plates to try it yourself

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Humans

Holiday brain-off round 1: Challenge your original thinking

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Health

Hangovers: What science says about why you feel so rough

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Technology

Why predictive text is making you forget how to write

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Life

Comb jelly videos are rewriting the history of your anus

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