News tagged with chemical signal

Birds choose sweet-smelling mates

For most animals, scent is the instant messenger of choice for quickly exchanging personal profiles. Scientists, however, have long dismissed birds as odor-eschewing luddites that don't take advantage of ...

Sep 03, 2013 not rated yet 0

Looking for signs of early life

(PhysOrg.com) -- Deciphering the very early history of life on Earth is difficult. In the darkest recesses of the first billion years there are no 'body' fossils - no physical remains. Instead, scientists ...

Jul 08, 2009 4 / 5 (9) 0

The secret to sniffing out a safe supper

When mice smell the scent of food on the breath of their fellow mice, they use that experience to decide what's safe to eat in the future. Key in that learning process is the pairing of a particular odor with a chemical ingredient ...

Jul 15, 2010 4 / 5 (2) 0 | with audio podcast