Science &THE IDEAS JOURNAL
Science. Systems. Possibility.
Explore questions across science, from everyday observations to the ideas and methods that help explain them. Clear reading for a curious mind.
Yes, cow feet are healthy for most people in moderate portions, because they are a genuine collagen food that supplies glycine and hydrolyzed protein at a low cost per gram.
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Inside the tools of discovery ↗No, grolar bears are not universally sterile. Hybrids between polar bears and grizzly bears have produced viable offspring in both directions of the cross, and at least one captive hybrid pair, the polar-bear mother and grizzly-bear father…
For most people with estrogen receptor positive (ER+) breast cancer, collagen supplements are not known to be unsafe, but the evidence is indirect and the risk is not zero.
Itchy eyes alone are not a typical sign of COVID-19. The CDC does not list eye itching among the core symptoms, and large cohort data place conjunctivitis in roughly 1 to 3 percent of confirmed cases.
For most healthy people, beets are not hard on the kidneys. A standard 100-gram serving delivers roughly 90 to 120 mg of oxalate, well under the 200 to 300 mg daily cap that kidney-stone guidelines suggest, and the nitrate load is handled…
All the leaves fell off your money tree because the plant is executing a drought-survival protocol, and more often than not the trigger is the soil staying wet — not drying out.
Are green anoles invasive or native to the US? The green anole (*Anolis carolinensis*) is native to the southeastern United States, not invasive, with a historical range stretching from eastern Texas through the Gulf states to Florida and…
The answer is yes, but almost never for the reason the label implies.
Yes, lemons are good for gut health, but the benefit comes from a narrower set of mechanisms than most articles claim.
Are Convict Cichlids aggressive? Yes, convict cichlids (Amatitlania nigrofasciata) are genuinely aggressive fish, and they are among the most reliably territorial cichlids sold in the hobby.
Are deadlifts effective? Yes — a properly loaded deadlift is one of the most effective exercises available for building total-body strength and posterior-chain muscle, and it is measurably effective for bone density, grip strength, and…
No, dog ear infections are not contagious to other dogs. The organisms that cause otitis externa in dogs are either normal skin and ear canal residents that overgrow or environmental opportunists, and they do not pass dog-to-dog under…
E. coli is not generally an airborne pathogen, but it can travel through the air in three specific ways: inside aerosolized droplets from splashing water or slurry, attached to dust particles from dried fecal matter, and within fine…
Amylase is a family of enzymes that hydrolyzes starch by cleaving the alpha-1,4 glycosidic bonds between glucose units, converting a polysaccharide too large to cross cell membranes into sugars the body can absorb.
Altitude sickness can set in within 2 to 12 hours of arriving at altitude, most commonly at elevations above 8,000 feet (2,500 meters).
Always clearing your throat is most often a self-reinforcing habit loop, not a disease: a small trigger (postnasal drip, laryngopharyngeal reflux, dry air, or anxiety) irritates the vocal folds, you clear, the vocal folds swell slightly,…
Alocasia Polly care means giving this hybrid elephant ear bright indirect light at 200 to 500 foot-candles, watering only when the top 1 to 2 inches of soil are dry, and holding humidity above 60 percent.
Alcohol will not dissolve ear wax because cerumen is not a wax in the chemical sense.
Addison's disease is not contagious in any form. You cannot catch it from a person, an animal, or a surface, because it is not caused by a pathogen.
Adeno-associated virus (AAV) is the preferred vector for most in vivo gene therapies because it is non-pathogenic, persists as a stable episome, and delivers genes to non-dividing cells with durable expression, while adenovirus (Ad) is…
An aggressive hemangioma of the spine is a benign vascular tumor of a vertebral body that behaves locally destructively — it erodes bone, can extend into the spinal canal or neural foramen, and may compress the spinal cord or nerve roots —…
Accidentally taking two montelukast tablets at once is almost always low-risk for a healthy adult, because a single 10 mg dose is the standard daily amount and the drug's safety margin is wide.
Adamantinoma is a rare, slow-growing malignant bone tumor that arises almost exclusively in the cortex of the tibia, accounting for roughly 0.1 to 0.5 percent of all primary bone cancers.
Alcohol withdrawal symptoms begin 6 to 24 hours after the last drink and follow a predictable three-stage arc: early tremulous symptoms peak at 24 to 48 hours, withdrawal seizures cluster between 12 and 48 hours, and delirium tremens…
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