Earth
Our lust for tastier chocolate has transformed the cocoa tree
Ever since we domesticated the cocoa tree over 3000 years ago, we have been breeding them to make tastier chocolate – but in the process we have made them vulnerable
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Health
One-off CRISPR treatment slows genetic hearing loss in mice
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Environment
The holly hunters banking berries to save a species
Features
Life
Inside the secret chocolate garden built to avert a cocoa crisis
Features
Environment
The secrets of your past that lurk inside your ears
Features
Life
2018 preview: Thousands of mystery lifeforms to be revealed
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Humans
What do the new ‘gay genes’ tell us about sexual orientation?
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Life
Lizards re-evolved eggs after thousands of years of live births
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Earth
Sumatran tigers fall 17 per cent and have just two strongholds
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Life
Why do female monkeys spend so long looking at rugged males?
Female monkeys spend more time staring at males that have highly masculine facial features, but we don’t know if they fancy them or fear them
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Humans
A bacterium has been engineered to make ‘unnatural’ proteins
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Life
Does it matter if my child is not genetically related to me?
Features
Humans
Huge dose of brain chemical dopamine may have made us smart
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Health
Amish gene can make them live 10 years longer and avoid diabetes
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