Articles on Scents

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The scent emitted from your hands could offer clues about who you are. Siro Rodenas Cortes/Moment via Getty Images

Your unique body odor could identify who you are and provide insights into your health – all from the touch of a hand

Human scent could one day be used as evidence in forensics and as diagnostic information in medicine.
The microbiome functions as an ‘invisible organ’ but it often makes its presence known by emitting sounds and smells. (Shutterstock)

The nose knows: How microbiomes and the smells they produce help shape behaviour in bugs, birds, beasts and humans

The microbiome and its signature smells are crucial for most organisms, whether human, insect or plant. The silent signals sent by the microbiome are essential communications that influence behaviour.
In what form do you eat your annual share of the approximately 5 million tons of cocoa produced worldwide? Tracey Kusiewicz/Foodie Photography/Moment via Getty Images

Chocolate chemistry – a food scientist explains how the beloved treat gets its flavor, texture and tricky reputation as an ingredient

There’s a lot of interesting science behind the fermenting, roasting, grinding and melting that turns chocolate into the bars, bonbons and baked goods you know and love.
A floral scent can be enjoyable for a person, but it has an important job for the flower. Richard L. Harkess

Why do flowers smell?

Not all flowers smell good, to people at least, but their scents are a way to attract pollinators.
Cookies taste so good. Smell tells us that before we even take a bite. How? Jennifer Pallian/Unsplash

What makes something smell good or bad?

Mmmmmmm. That smells delicious. Wait, how do you know that?
‘Living Mady Easy: Revolving hat’, a satirical print with a hat supporting a spy glass, an ear trumpet, a ciggar, a pair of glasses, and a scent box, 1830, London. Wellcome Images CCBY

The past stinks: a brief history of smells and social spaces

The history of smell in 18th-century England reveals the complex story of scent and personal space.

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