Reference Terms
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Pupa
A pupa is the life stage of some insects undergoing transformation.
Note: The above text is excerpted from the Wikipedia article "Pupa", which has been released under the GNU Free Documentation License.
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Plants & Animals News
March 15, 2025
Mar. 13, 2025 — The 2025 U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and marine habitats, with 229 species ...
Mar. 11, 2025 — Researchers were shocked to see that bacteria's antimicrobial resistance is strengthened when exposed to plastic particles and point to a potential outsized impact on ...
Mar. 10, 2025 — New research has revealed that people often do not perceive the true meaning of their pet's emotions and can misread their dog. The reasons for this are many and include a human misunderstanding of dog expressions due to a bias towards projecting ...
Mar. 10, 2025 — Scientists have discovered that whales move nutrients thousands of miles -- in their urine -- from as far as Alaska to Hawaii. These tons of nitrogen support the health of tropical ecosystems and fish, where nitrogen can be limited. They call this ...
Latest Headlines
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Mar. 13, 2025 — Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection against H5N1, and children would benefit more from H5N1 ...
Mar. 13, 2025 — Misha lived her whole life in zoos, but this elephant's teeth are now helping scientists reconstruct wildlife migrations. Geologists show how ...
Mar. 13, 2025 — A new study shows how the lungs respond to poor ...
Mar. 13, 2025 — Recovered grasslands need more than 75 years of continuous management to regain their biodiversity because specialized pollinators are slow to return. A new finding underscores the importance of ...
Mar. 13, 2025 — A new study shows how pathogens control changes in their cell surface to evade the immune ...
Mar. 13, 2025 — A study has established the importance of immunoglobulin A, an antibody that is part of the immune system, in generating a response to pneumonia ...
Mar. 13, 2025 — Social media can help scientists track animal species as they relocate in response to climate change, new research ...
Mar. 13, 2025 — A groundbreaking study has revealed that brown trout can successfully navigate beaver dams -- obstacles which were previously thought to pose a significant barrier to their ...
Mar. 13, 2025 — A nine-year study comparing a typical two-year corn and soybean rotation with a more intensive three-year rotation involving corn, cereal rye, ...
Mar. 13, 2025 — Researchers identified a strong negative North Atlantic Oscillation in 2009--2010 as the tipping point that pushed sargassum into the tropical Atlantic, confirming vertical mixing, not rivers, as the ...