Photo: Artificial Nose Could Sniff Out Bombs, Cancer



Humans can use their smell receptors to enjoy flowers; trained dogs use them to sniff out bombs. Now, smell receptors can be mass-produced in the lab—a discovery that could lead to artificial noses, according to a September 2008 study.

Photograph by Roy Gumpel


NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

50 Drives of a Lifetime

Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.