'Worm-on-a-chip' device could someday help diagnose lung cancer

Dogs can use their incredible sense of smell to sniff out various forms of cancer in human breath, blood and urine samples. Similarly, in the lab a much simpler organism, the roundworm C. elegans, wriggles its way toward ...

Humans and other primates have evolved less sensitive noses

Variations in the genes for the newly discovered scent receptors for musk and underarm odor add to a growing body of research suggesting that humans' sense of smell is gradually becoming less sensitive. Sijia Wang of the ...

'Caramel receptor' identified

Who doesn't like the smell of caramel? However, the olfactory receptor that contributes decisively to this sensory impression was unknown until now. Researchers at the Leibniz Institute for Food Systems Biology at the Technical ...

Your sense of smell may be the key to a balanced diet

Walking past a corner bakery, you may find yourself drawn in by the fresh smell of sweets wafting from the front door. You're not alone: The knowledge that humans make decisions based on their nose has led major brands like ...

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