Abstract: We define the class of bivariate binomial distributions as Poisson distributions transformed by a binomial dilution and mixing with a gamma distribution. They are used to study the number of ...

A bird’s beak colour can change due to various factors like age, diet, hormones, or seasonal changes. For example, some birds develop brighter beaks during mating season to attract partners.

A new study opens new avenues for combating soybean cyst nematodes, the most damaging pest for U.S. soybean crops. Targeting a newly discovered vulnerability in the signals that cyst nematodes use ...

Apr. 17, 2025 — A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as ...

Get Instant Summarized Text (Gist) Root-knot nematodes infecting field mustard plants alter the plant's chemical defenses, inadvertently benefiting cabbage root flies. This interaction increases ...

There are many species of nematodes of which a few hundred species attack plants and animals. Root knot nematode is a microscopic worm that is non-segmented, i.e., if you magnified it many times, it ...

A photo of a cyst nematode's head viewed through a high-power microscope shows its esophageal glands, which produce effectors it uses to infect host plants. The image was digitally edited to highlight ...

But another larva, this time from the vine weevil, might be to blame for wilted plants right now – especially houseplants, ...

Photo courtesy of Purdue University. Lei Zhang, Assistant Professor of Plant Nematology at Purdue University, is on the lookout for the soil-borne roundworm called soybean cyst nematode (SCN). Zhang ...

As the H5N1 bird flu virus mutates and rapidly spreads through American cattle herds — a first for the U.S. — doctors and veterinarians are fearful that if the virus is left unchecked ...

Nematode communities have been trusted indicators of soil health for decades, but the process of identifying types and numbers in any given soil sample remains costly and time consuming, says Ziad ...