The largest number of imported species are birds – 4,985 different species are imported each year, led by Muscovy ducks, with over 6 million imported. Reptiles are next, with 3,048 species ...

The authors recommend that EoE is diagnosed based on the presence of symptoms of esophageal dysfunction and at least 15 eosinophils per high-power field on esophageal biopsy. A systematic ...

Eosinophilic esophagitis (EoE) occurs when white blood cells called eosinophils build up in the esophagus, the tube that moves food and liquids from the throat to the stomach. This buildup of ...

Jan. 2, 2025 — When it comes to deciding where they're going to get their next meal, different species of bees may be attracted to different flower ... Genetics of Alternating Sexes in Walnuts ...

This approach can be used to study relationships between different species across geological ... Plant's Name-Giving Feature Found to Be New Offspring-Ensuring Method Jan. 23, 2025 — 130 years ...

Actor’s environmental activism saw the tribute in his honour after researchers discovered the small brown amphibian in Ecuador A newly discovered species of frog has been named after Leonardo ...

The offspring of crosses between related species can sometimes fill a new environmental niche, and such hybridizations may even lead to speciation. Ashley started at The Scientist in 2018. Before ...

AFTER studying the existence of the semi-squamous epithelial layer in the gastric and intestinal mucosæ of different mammals, we were curious to know if a similar layer was present in the ...

We observe this phenomenon all over the tree of life, from mammals and invertebrates to plants and microorganisms. Species face different challenges, called selection pressures, depending on their ...

Darwin kept silent for 20 years before going public and was only half joking when he described writing his book 'On the Origin of Species' as 'like confessing a murder'. This is the story of one ...