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A TikTok tale

How a well-meaning TikTok disrupted 4,600 studies.

• 9 mins

Simpson鈥檚 Paradox: How to make vaccinated death figures misleading

A tricky statistical phenomenon at play.

• 9 mins

Does wearing a mask halve your chances of getting Covid-19?

Is it true wearing a mask reduces Covid-19 incidence by 53%?

• 9 mins

Does catching Covid give you more immunity than being vaccinated?

Infection vs injection: Could Covid infection provide 27 times more protection?

• 9 mins

The psychological economics of gift giving

How to buy gifts people actually want.

• 9 mins

Numbers of 2021

The most significant numbers of the year

• 9 mins

Will the population of Nigeria be larger than Europe鈥檚?

Will Nigeria鈥檚 population really reach 600million?

• 9 mins

How much plastic is in the ocean and can Mr Beast make a difference?

Can two social media stars remove $30million worth of plastic from the ocean?

• 9 mins

QAnon: Did 365,348 children go missing in the US in 2020?

Fact checking a QAnon claim.

• 9 mins

Are female patients more likely to die if the surgeon is male?

Should women be worried about having a male surgeon?

• 9 mins

Fertility rates: Baby boom or bust?

Fertility rates around the world

• 9 mins

Placebo: Can you fool your brain?

Looking at the power of expectations

• 9 mins

Testosterone and sport

Trans women鈥檚 participation in elite sport

• 9 mins

Hospitalisation rates for children with Covid

What does the data tell us?

• 9 mins

Did lockdowns save any lives?

Did lockdowns actually save any lives?

• 9 mins

Numbers in Ukraine and low seas in Chagos

Troop and casualty numbers in Ukraine

• 9 mins

Does the UK take in more refugees than other European countries?

Fact checking Boris Johnson鈥檚 claim

• 9 mins

Pizza and nuclear war

How good negotiation can help us split pizzas fairly and also avoid nuclear war.

• 9 mins

Why has Hong Kong鈥檚 Covid wave been so bad?

What鈥檚 behind one of the worst Covid death rates ever?

• 9 mins

Will the war in Ukraine cause a global wheat shortage?

How much of the worlds wheat comes from Ukraine and Russia

• 9 mins

Did tea-drinking cut deaths in the Industrial Revolution?

How tea became an accidental lifesaver in 18th Century England.

• 9 mins

Subitising and simplifying: how to better explain numbers

How can we clearly explain complex numbers to the public without losing their meaning?

• 9 mins

Understanding India through data

What can data tell us about a country of 1.4 billion people?

• 9 mins

Sweden鈥檚 polarising pandemic response

Has Sweden鈥檚 pandemic response been a triumph or a disaster鈥�or something in-between?

• 9 mins

Have the oceans become 30% more acidic?

Tim Harford asks how we measure the health of our oceans

• 9 mins

Did the WHO get some of its excess death estimates wrong?

We look at the World Health Organisation鈥檚 latest estimates of the pandemic鈥檚 death toll

• 9 mins

Are just 100 companies responsible for 71% of global emissions?

Looking at numbers on green house gas emissions and stress.

• 9 mins

Noisy decisions

Nobel prize winning psychologist Daniel Kahneman on how 'noise' impacts decision making

• 9 mins

Are girls starting puberty earlier?

We look into a claim that the age of girls鈥� puberty is falling rapidly

• 9 mins

Hannah Fry: Understanding the numbers of cancer

The maths professor on the choices she and others have faced after a cancer diagnosis

• 9 mins