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13 results for "algal toxin"

ZF_4_14 Verified Oceanography

ZF_4_14 — Harmful Algal Blooms: Red Tides, Toxins, and Eutrophication

Harmful algal blooms (HABs) — rapid proliferations of microscopic algae (phytoplankton) or cyanobacteria that produce toxins, deplete oxygen, or otherwise damage marine ecosystems, fisheries, and human health — are incre

harmful algal bloom HAB red tide algal toxin eutrophication paralytic shellfish poisoning
X_3_18 Verified Medicine & Healing

X_3_18 — Immunotherapy: From Coley's Toxins to Checkpoint Inhibitors

Immunotherapy — harnessing the immune system to fight cancer and other diseases — was pioneered by William Coley (Memorial Hospital, New York), who injected bacterial toxins into inoperable sarcomas beginning in 1891 and

immunotherapy checkpoint inhibitor PD-1 CTLA-4 CAR-T cancer immunology
Y_1_09 Verified Altered States

Y_1_09 — Toxins, Venoms, and Altered States

Several animal toxins and plant poisons produce dramatic altered states of consciousness, and their use in ritual, medicine, and folklore constitutes a significant chapter in the relationship between humans and psychoact

toxin venom poison tetrodotoxin TTX pufferfish
X_5_01 Verified Medicine & Healing

X_5_01 — Venom, Toxicology, and Poison Medicine

Toxicology — the study of the adverse effects of chemical, physical, or biological agents on living organisms — and the medical management of poisoning and envenomation have ancient roots and a rich history intertwining

toxicology venom poison antivenom Mithridates arsenic
ZF_2_07 Verified Oceanography

ZF_2_07 — Marine Microbiology and Plankton

Marine microorganisms — bacteria, archaea, protists, viruses, and microscopic algae — constitute the invisible foundation of ocean life, driving global biogeochemical cycles, producing roughly half of the world's oxygen,

marine microbiology plankton phytoplankton zooplankton cyanobacteria diatom
ZF_5_14 Verified Oceanography

ZF_5_14 — Marine Invertebrate Venoms: Cone Snails, Box Jellyfish, and Blue-Ringed Octopus

The oceans harbor an extraordinary diversity of venomous organisms — from the microscopic nematocysts (stinging cells) of cnidarians to the sophisticated venom injection systems of cone snails, blue-ringed octopuses, and

marine venom cone snail Conus conotoxin box jellyfish Chironex fleckeri
ZF_4_05 Verified Oceanography

ZF_4_05 — Marine Pharmacology and Drug Discovery

Marine pharmacology explores the ocean's vast biodiversity as a source of bioactive compounds for drug development — a field that has yielded several approved drugs and thousands of promising leads since the pioneering w

marine pharmacology marine natural products drug discovery bioprospecting marine toxin cone snail
ZB_1_04 Ecology & Biology

ZB_1_04 — Venom Evolution: Nature's Chemical Arsenal

Venom — a cocktail of bioactive molecules actively injected into another organism through specialized apparatus — has evolved independently in over 100 animal lineages, from cnidarians and cone snails to snakes, spiders,

venom venomous toxin toxinology snake venom spider venom
ZB_5_30 Verified Ecology & Biology

ZB_5_30 — Phosphorus Cycle: Biogeochemistry, Eutrophication, and the Coming Scarcity Crisis

Phosphorus (P) is the rate-limiting nutrient for life on Earth — essential to DNA, RNA, ATP (the universal energy currency), cell membranes (phospholipids), and bone (hydroxyapatite), yet available in nature only through

phosphorus cycle phosphorus scarcity peak phosphorus eutrophication biogeochemistry fertilizer
ZB_3_02 Ecology & Biology

ZB_3_02 — Coral Reef Ecology: Symbiosis, Bleaching, and Biodiversity Hotspots

Coral reefs, built by tiny colonial cnidarians over millennia, harbor approximately 25% of all marine species while covering less than 0.1% of the ocean floor — earning the title "rainforests of the sea." The ecological

coral reefs coral bleaching zooxanthellae Symbiodiniaceae cnidaria scleractinian corals
B_2_14 Verified Beings & Entities

B_2_14 — Undead and Revenant Traditions Beyond Vampires

The revenant — a corpse that returns from death to interact with the living — is one of the most ancient and widespread categories in world folklore, distinct from (though overlapping with) the vampire tradition treated

undead revenant draugr jiangshi zombie voodoo
R_4_07 Verified Biology & Evolution

R_4_07 — Venom Evolution and Biochemical Arms Races

Venom — a cocktail of bioactive molecules injected via a specialized delivery apparatus (fangs, stingers, harpoons, nematocysts, spurs) to subdue prey, deter predators, or aid in competition — has evolved independently o

venom toxin snake venom spider venom cone snail conotoxin
O_1_21 Verified Earth Anomalies

O_1_21 — Blood Rain

Blood rain (also called red rain or chromatic rain) refers to precipitation events where rain is colored red, orange, yellow, or brown, giving the appearance of falling blood. Such events have been reported throughout re

blood rain red rain Kerala Saharan dust microalgae Haematococcus