a close up photo of a black dog nose with blond and white whiskers
Dogs: The New COVID-19 Rapid Test
Two studies this month point to pooches’ quick detection of SARS-CoV-2 on material that touched the skin of infected participants, although the pups’ accuracy does not match that of RT-PCR.
Dogs: The New COVID-19 Rapid Test
Dogs: The New COVID-19 Rapid Test

Two studies this month point to pooches’ quick detection of SARS-CoV-2 on material that touched the skin of infected participants, although the pups’ accuracy does not match that of RT-PCR.

Two studies this month point to pooches’ quick detection of SARS-CoV-2 on material that touched the skin of infected participants, although the pups’ accuracy does not match that of RT-PCR.

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dogs, olfaction, smell, prostate cancer, volatiles, diagnosis, disease, canine
Dogs Are Teaching Machines to Sniff Out Cancer
Asher Jones | Feb 18, 2021
In a proof-of-concept study, researchers used dogs’ diagnoses of prostate cancer to inform a machine learning algorithm with the goal of one day detecting cancers with canine-level accuracy.
Infographic: A Plant Cell’s Cuticle Helps Regulate Toxic Chemical Accumulation
Ashley Yeager | Feb 1, 2021
Researchers found that thinning petunia cells’ cuticles caused them to slow production of volatile organic compounds.
Petunia’s Waxy Cuticle Regulates the Plant’s Sweet Smell
Ashley Yeager | Feb 1, 2021
The thicker the flower petals’ cuticle, the more fragrance compounds the plant releases, according to a recent study.
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In South Africa, COVID-19 Breath Test Trial Set for June
Munyaradzi Makoni | Jun 15, 2020
If proven successful, the five-minute test could be a good temporary indicator before a confirmatory PCR test.
Generations of Insect Attacks Drive Plants to “Talk” Publicly
Ashley Yeager | Mar 1, 2020
Goldenrods that evolved in the presence of herbivores release volatile chemicals that trigger defenses in neighboring plants of their species, even those that are genetically unrelated.
Tomato’s Chemical Weapons
Rina Shaikh-Lesko | Apr 30, 2014
The plant releases a chemical that its neighbors can use to develop defenses against invading cutworms, a study finds.
Plant Talk
Dan Cossins | Jan 1, 2014
Plants communicate and interact with each other, both aboveground and below, in surprisingly subtle and sophisticated ways.
Odor-like Biomarkers for Skin Cancer
Dan Cossins | Jun 17, 2013
Researchers identify a unique chemical signature associated with human melanoma cells that could lead to new ways to screen for the disease.