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diet and exercise

A black and white ruffed lemur stares at the camera from a tree

Life

Lemur extinctions in Madagascar leave behind doomed orphan trees

Past extinctions have left tree species with no way to spread their seeds. If the island's critically endangered lemurs disappear, whole forests may follow

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A pregnany woman having an ultrasound scan

Health

Records reveal gender-selective abortion taking place in Canada

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G. H. Hardy (Jeremy Irons) and Srinivasa Ramanujan (Dev Patel) walk together, deep in conversation

Humans

The Man Who Knew Infinity fails to break the mathematical mould

CultureLab

Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (yellow) budding from the membrane of a host cell (red).

Health

HIV defies attempt to edit virus out of human cells with CRISPR

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skyscrapers

Life

Savagely malled: Why 'smart' cities aren't so smart

CultureLab

speech waveform

Humans

Surfing Uncertainty: Do our dynamic brains predict the world?

CultureLab

A very pregnant lady

Health

Some stillbirths are avoidable if we know enough to act in time

Comment

Plate of food with knife and fork

Earth

Hidden cost of climate change is unwanted carbs in your food

Comment

People using cellphones in Zambia

Technology

AI helps answer thousands of health queries in Zambia via SMS

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Two people with obesity

Health

Explore how global obesity crisis has exploded in past 40 years

The number of people in the world who are obese has risen from 105 million in 1975 to 641 million in 2014. See where they live

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Health

NHS England backtracks from rolling out HIV-prevention drug

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Space

Feedback: Poppers burn a hole in the UK's blanket drugs ban

Regulars

Health

Embryo cells decide their future only two days after conception

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Earth

Investment in renewables was double that of coal and gas in 2015

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