Reference Terms
from Wikipedia, the free encyclopedia
Saliva
Saliva is the watery and usually somewhat frothy substance produced in the mouths of some animals, including humans.
Note: The above text is excerpted from the Wikipedia article "Saliva", which has been released under the GNU Free Documentation License.
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Plants & Animals News
May 27, 2025
May 27, 2025 — Scientists, who have spent more than a decade examining the impact of artificial light at night on the world's coasts and oceans, have shown that more than one-fifth of the global ocean -- an area spanning more than 75 million sq km -- has been the ...
May 23, 2025 — A group of fossils of elasmosaurs -- some of the most famous in North America -- have just been formally identified as belonging to a 'very odd' new genus of the sea monster, unlike any previously ...
May 22, 2025 — A new study proves that a type of genetic element called 'introners' are the mechanism by which many introns spread within and between species, also providing evidence of eight instances in which ...
May 21, 2025 — Clownfish have been shown to shrink in order to survive heat stress and avoid social conflict, research ...
Latest Headlines
updated 12:56 pm ET
May 27, 2025 — Alterations to the diet of pests could impact how quickly they can adapt to ...
May 27, 2025 — Scientists have discovered cells in the skin of Atlantic salmon that offer new insights into how wounds heal, tissues regenerate, and cellular transitions support long-term skin ...
May 22, 2025 — Proteins catalyze life by changing shape when they interact with other molecules. The result is a muscle twitching, the perception of light, or a bit of energy extracted from food. The ability to ...
May 27, 2025 — A new study reveals the biological secret to the Zika virus's infectious success: Zika uses host cells' own 'self-care' system of clearing away useless molecules to suppress the host proteins that ...
May 27, 2025 — Researchers conducted a systematic review of 99 scientific publications that compared the flora or fauna of old-growth forests, managed forests and clearcut sites in boreal Europe. The reviewed ...
May 26, 2025 — Contrary to widespread assumptions, the largest shark that ever lived -- Otodus megalodon -- fed on marine creatures at various levels of the food pyramid and not just the top. Scientists analyzed ...
May 23, 2025 — Daylight can boost the immune system's ability to fight ...
May 23, 2025 — Plankton may be tiny, but they play an important role in the ocean. As the foundation of marine ecosystems, they support ocean food webs and help regulate Earth's climate by storing carbon. While lab ...
May 23, 2025 — A new study shows that monitoring and managing select bird species can provide benefits for other species within specific ...
May 26, 2025 — A gene that regulates the development of roots in vascular plants is also involved in the organ development of liverworts -- land plants so old they don't even have proper roots. The discovery ...