The cockroach

The cockroach

An extermination trick that married insecticide with sugar worked for a while — but then suddenly lost its power against roaches. Now More »

Moles smell in stereo!

Moles smell in stereo!

A common mole never sees the light of day, but it can pinpoint the source of food in just a few seconds — thanks to its newfound More »

Body odor

Body odor

Study finds that male body odor is harder to mask, but the male nose is more easily confused. Info lends insight into human mating, and More »

Mechanical mouth makes debut

To measure the molecules that give food taste, you need a standardized eating machine. One has finally arrived, courtesy of food More »

Learning to read mouse pee

Mice can tell the sex, mating status and identity of another mouse — all from sniffing urine. A new study of how mice read pheromones More »