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Poison ivy
Poison ivy is a woody vine that is well-known for its ability to produce urushiol, a skin irritant which for most people will cause an agonizing, itching rash.
Note: The above text is excerpted from the Wikipedia article "Poison ivy", which has been released under the GNU Free Documentation License.
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Plants & Animals News
January 20, 2025
Jan. 17, 2025 — Human ancestors like Australopithecus -- which lived around 3.5 million years ago in southern Africa -- ate very little to no meat, according to new research. This conclusion comes from an analysis of nitrogen isotope isotopes in the fossilized ...
Jan. 15, 2025 — Scientists have identified fossils of snow leopards. The discovery has allowed them to trace the evolutionary history of the species during the Quaternary period and to propose how it dispersed from ...
Jan. 15, 2025 — New research has revealed that the nervous system circuitry that controls arm movement in octopuses is segmented, giving these extraordinary creatures precise control across all eight arms and ...
Jan. 13, 2025 — Scientists have succeeded in controlling the structure and function of biological membranes with the help of 'DNA origami'. The system they developed may facilitate the transportation of large therapeutic loads into cells. This opens up a new way ...
Latest Headlines
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Jan. 20, 2025 — Researchers have profiled the molecular structure and features of a key part of the deadly Nipah virus. Experiments in cells showe how changes in the viral polymerase -- a protein involved in viral ...
Jan. 20, 2025 — Over half of our genomes consists of thousands of remnants of ancient viral DNA, known as transposable elements, which are widespread across the tree of life. Once dismissed as the 'dark side' of the ...
Jan. 20, 2025 — A new study has described a phenomenon researchers refer to as 'contagious urinations.' The study in 20 captive chimpanzees living at the Kumamoto Sanctuary in Japan shows that, when one chimp pees, ...
Jan. 19, 2025 — Ecologists have identified significant ecological risks associated with the release of hybrid groupers into Hong Kong's coastal waters, a practice ...
Jan. 17, 2025 — In life sciences, confocal fluorescence microscopy (CFM) is widely regarded for producing high-resolution cellular images. However, it requires fluorescent staining, which poses risks of ...
Jan. 17, 2025 — Nobody wants to share a day on the water with E. coli. The bacteria is a sure sign of fecal contamination, which is washed into waterways from farm fields or sewage systems by rain. The microbes are ...
Jan. 17, 2025 — Salt pollution from road deicing salts threatens freshwater ecosystems and urban green infrastructure. New research on salt-tolerant plants like cattails highlights their potential role in mitigating ...
Jan. 17, 2025 — Researchers have improved our understanding of how rotavirus, the most common cause of acute gastroenteritis in children, makes people sick. The study is among the first to show that the rotavirus ...
Jan. 17, 2025 — Scientists find a 'measure and remeasure' approach is a feasible method of verifying soil carbon storage in croplands for climate ...
Jan. 17, 2025 — Researchers, citizen scientists and their 'truffle dogs' -- have discovered two new species of truffle. Tuber canirevelatum, meaning the 'dog-found' truffle, was named in honor of truffle dogs and ...