Reference Terms
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Heirloom plant
An heirloom plant is an open-pollinated cultivar that was commonly grown during earlier periods in human history, but which is not used in modern large-scale agriculture.
Note: The above text is excerpted from the Wikipedia article "Heirloom plant", which has been released under the GNU Free Documentation License.
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Plants & Animals News
February 19, 2025
Feb. 17, 2025 — Animals are not just inhabitants of the natural world -- they are its architects. A new study has revealed how hundreds of species shape the landscapes we depend on, from vast termite mounds visible ...
Feb. 18, 2025 — For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field season, local fish would follow them and steal food intended as experimental rewards. Intriguingly these wild fish appeared to ...
Feb. 12, 2025 — Fossil collectors in Florida have discovered an ancient sinkhole, now at the bottom of a river, which holds the remains of animals rarely seen in the state, including a type of giant armadillo, giant ...
Feb. 13, 2025 — Who hasn't been there? The big meal is over, you're full, but the craving for sweets remains. Researchers have now discovered that what we call the 'dessert stomach' is rooted in the brain. The same nerve cells that make us feel full after a meal ...
Latest Headlines
updated 12:56 pm ET
Feb. 19, 2025 — Researchers say chlorine in combination with ultraviolet light works to degrade deadly toxins created by harmful algae blooms in drinking ...
Feb. 19, 2025 — Researchers have 3D printed bioelectronic scaffolds that have the properties cells need to form new ...
Feb. 19, 2025 — Humanity can farm more food from the seas to help feed the planet while shrinking mariculture's negative impacts on biodiversity, according to new ...
Feb. 19, 2025 — An improvement in freshwater biodiversity in England's rivers was linked to reductions in pollution of zinc and copper, largely due to the decline of coal burning and heavy industry, say researchers. ...
Feb. 19, 2025 — Researchers have found a compound in ginger, called furanodienone (FDN), that selectively binds to and regulates a nuclear receptor involved in inflammatory bowel disease (IBD). While researchers ...
Feb. 19, 2025 — Animal populations from urban areas show significantly higher resilience to stressful environmental conditions. The mussel and crustacean species studied were able to adapt to disturbed environments, ...
Feb. 19, 2025 — Research in mice identifies brain circuitry that supports certain reward-based ...
Feb. 19, 2025 — New research has yielded promising results in the fight against campylobacter in free-range chicken flocks. Trials demonstrate that adding biochar to chicken feed can reduce campylobacter in chickens ...
Feb. 19, 2025 — Very early exposure to even a very small dose of herpes simplex virus (HSV) in infant mice can lead to cognitive decline later in life, according to ...
Feb. 19, 2025 — Why have some orchids stopped photosynthesis and become parasites feeding on fungi? Researchers found that in at least one species the transition may be driven by the opportunity -- more than by the ...